/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_26-alloc_region_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:47:15,567 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:47:15,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-16 22:47:15,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:47:15,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:47:15,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:47:15,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:47:15,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:47:15,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:47:15,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:47:15,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:47:15,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:47:15,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:47:15,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:47:15,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:47:15,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:47:15,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:47:15,696 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:47:15,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:47:15,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:47:15,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:47:15,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:47:15,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:47:15,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:47:15,903 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:47:15,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_26-alloc_region_rc.i [2021-10-16 22:47:15,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2a73081/1fb30fdbcbf34d52bb9974109affda2e/FLAGcc28c4608 [2021-10-16 22:47:16,368 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:47:16,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_26-alloc_region_rc.i [2021-10-16 22:47:16,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2a73081/1fb30fdbcbf34d52bb9974109affda2e/FLAGcc28c4608 [2021-10-16 22:47:16,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2a73081/1fb30fdbcbf34d52bb9974109affda2e [2021-10-16 22:47:16,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:47:16,395 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:47:16,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:47:16,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:47:16,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:47:16,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:47:16" (1/1) ... [2021-10-16 22:47:16,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abb2f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:16, skipping insertion in model container [2021-10-16 22:47:16,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:47:16" (1/1) ... [2021-10-16 22:47:16,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:47:16,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:47:16,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:47:16,926 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:47:16,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:47:17,033 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:47:17,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17 WrapperNode [2021-10-16 22:47:17,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:47:17,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:47:17,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:47:17,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:47:17,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:47:17,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:47:17,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:47:17,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:47:17,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:47:17,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:47:17,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:47:17,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:47:17,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (1/1) ... [2021-10-16 22:47:17,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:47:17,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:47:17,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 22:47:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:47:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 22:47:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:47:17,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 22:47:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:47:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:47:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:47:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:47:17,225 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:47:17,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:47:17,643 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-16 22:47:17,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:47:17 BoogieIcfgContainer [2021-10-16 22:47:17,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:47:17,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:47:17,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:47:17,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:47:17,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:47:16" (1/3) ... [2021-10-16 22:47:17,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a26eb2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:47:17, skipping insertion in model container [2021-10-16 22:47:17,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:47:17" (2/3) ... [2021-10-16 22:47:17,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a26eb2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:47:17, skipping insertion in model container [2021-10-16 22:47:17,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:47:17" (3/3) ... [2021-10-16 22:47:17,653 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2021-10-16 22:47:17,656 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:47:17,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:47:17,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-10-16 22:47:17,656 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:47:17,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,687 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,696 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,697 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,700 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,707 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,707 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,711 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,712 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,713 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,715 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,723 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,724 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,726 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,727 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,727 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,731 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,732 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,733 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,733 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,733 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,733 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,734 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,735 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,736 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,740 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,742 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~list.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#t~mem32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_insert_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_insert_#in~list.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:47:17,748 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:47:17,784 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:47:17,789 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 22:47:17,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-10-16 22:47:17,804 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 265 places, 263 transitions, 531 flow [2021-10-16 22:47:17,961 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8667 states, 8635 states have (on average 1.9946728430804863) internal successors, (17224), 8666 states have internal predecessors, (17224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 8667 states, 8635 states have (on average 1.9946728430804863) internal successors, (17224), 8666 states have internal predecessors, (17224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 22:47:17,985 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:17,985 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:17,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:17,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:17,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1839612656, now seen corresponding path program 1 times [2021-10-16 22:47:17,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:17,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164477089] [2021-10-16 22:47:17,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:18,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:18,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:18,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164477089] [2021-10-16 22:47:18,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164477089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:18,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:18,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:47:18,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762325644] [2021-10-16 22:47:18,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:47:18,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:18,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:47:18,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:18,345 INFO L87 Difference]: Start difference. First operand has 8667 states, 8635 states have (on average 1.9946728430804863) internal successors, (17224), 8666 states have internal predecessors, (17224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:18,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:18,606 INFO L93 Difference]: Finished difference Result 8666 states and 17147 transitions. [2021-10-16 22:47:18,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:47:18,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-16 22:47:18,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:18,657 INFO L225 Difference]: With dead ends: 8666 [2021-10-16 22:47:18,658 INFO L226 Difference]: Without dead ends: 8666 [2021-10-16 22:47:18,659 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8666 states. [2021-10-16 22:47:18,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8666 to 8666. [2021-10-16 22:47:18,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8666 states, 8635 states have (on average 1.985755645628257) internal successors, (17147), 8665 states have internal predecessors, (17147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8666 states to 8666 states and 17147 transitions. [2021-10-16 22:47:18,905 INFO L78 Accepts]: Start accepts. Automaton has 8666 states and 17147 transitions. Word has length 34 [2021-10-16 22:47:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:18,906 INFO L470 AbstractCegarLoop]: Abstraction has 8666 states and 17147 transitions. [2021-10-16 22:47:18,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 8666 states and 17147 transitions. [2021-10-16 22:47:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-16 22:47:18,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:18,908 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:18,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:47:18,908 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:18,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:18,910 INFO L82 PathProgramCache]: Analyzing trace with hash -692578386, now seen corresponding path program 1 times [2021-10-16 22:47:18,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:18,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275957428] [2021-10-16 22:47:18,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:18,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:19,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:19,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275957428] [2021-10-16 22:47:19,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275957428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:19,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:19,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:47:19,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845272004] [2021-10-16 22:47:19,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:47:19,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:19,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:47:19,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:19,015 INFO L87 Difference]: Start difference. First operand 8666 states and 17147 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:19,427 INFO L93 Difference]: Finished difference Result 9019 states and 17849 transitions. [2021-10-16 22:47:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:47:19,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-16 22:47:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:19,489 INFO L225 Difference]: With dead ends: 9019 [2021-10-16 22:47:19,489 INFO L226 Difference]: Without dead ends: 9019 [2021-10-16 22:47:19,489 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:19,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9019 states. [2021-10-16 22:47:19,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9019 to 8946. [2021-10-16 22:47:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 8916 states have (on average 1.9856437864513234) internal successors, (17704), 8945 states have internal predecessors, (17704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 17704 transitions. [2021-10-16 22:47:19,651 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 17704 transitions. Word has length 53 [2021-10-16 22:47:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:19,652 INFO L470 AbstractCegarLoop]: Abstraction has 8946 states and 17704 transitions. [2021-10-16 22:47:19,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,652 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 17704 transitions. [2021-10-16 22:47:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-16 22:47:19,653 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:19,653 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:19,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:47:19,653 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:19,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:19,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1969420609, now seen corresponding path program 1 times [2021-10-16 22:47:19,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:19,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857654062] [2021-10-16 22:47:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:19,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:19,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:19,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857654062] [2021-10-16 22:47:19,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857654062] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:19,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:19,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:47:19,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437774405] [2021-10-16 22:47:19,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:47:19,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:19,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:47:19,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:19,792 INFO L87 Difference]: Start difference. First operand 8946 states and 17704 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:20,230 INFO L93 Difference]: Finished difference Result 9299 states and 18406 transitions. [2021-10-16 22:47:20,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:47:20,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-10-16 22:47:20,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:20,254 INFO L225 Difference]: With dead ends: 9299 [2021-10-16 22:47:20,254 INFO L226 Difference]: Without dead ends: 9299 [2021-10-16 22:47:20,254 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9299 states. [2021-10-16 22:47:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9299 to 9226. [2021-10-16 22:47:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9197 states have (on average 1.9855387626399914) internal successors, (18261), 9225 states have internal predecessors, (18261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 18261 transitions. [2021-10-16 22:47:20,420 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 18261 transitions. Word has length 61 [2021-10-16 22:47:20,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:20,421 INFO L470 AbstractCegarLoop]: Abstraction has 9226 states and 18261 transitions. [2021-10-16 22:47:20,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 18261 transitions. [2021-10-16 22:47:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-16 22:47:20,422 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:20,422 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:20,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:47:20,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:20,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:20,423 INFO L82 PathProgramCache]: Analyzing trace with hash -216744786, now seen corresponding path program 1 times [2021-10-16 22:47:20,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:20,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103787659] [2021-10-16 22:47:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:20,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:20,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:20,501 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103787659] [2021-10-16 22:47:20,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103787659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:20,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:20,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:47:20,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405063467] [2021-10-16 22:47:20,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:47:20,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:20,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:47:20,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:20,502 INFO L87 Difference]: Start difference. First operand 9226 states and 18261 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:21,255 INFO L93 Difference]: Finished difference Result 9693 states and 19195 transitions. [2021-10-16 22:47:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:47:21,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-10-16 22:47:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:21,278 INFO L225 Difference]: With dead ends: 9693 [2021-10-16 22:47:21,278 INFO L226 Difference]: Without dead ends: 9693 [2021-10-16 22:47:21,278 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9693 states. [2021-10-16 22:47:21,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9693 to 9592. [2021-10-16 22:47:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9592 states, 9563 states have (on average 1.9860922304716093) internal successors, (18993), 9591 states have internal predecessors, (18993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9592 states to 9592 states and 18993 transitions. [2021-10-16 22:47:21,436 INFO L78 Accepts]: Start accepts. Automaton has 9592 states and 18993 transitions. Word has length 83 [2021-10-16 22:47:21,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:21,437 INFO L470 AbstractCegarLoop]: Abstraction has 9592 states and 18993 transitions. [2021-10-16 22:47:21,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 9592 states and 18993 transitions. [2021-10-16 22:47:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-16 22:47:21,439 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:21,439 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:21,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:47:21,439 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:21,440 INFO L82 PathProgramCache]: Analyzing trace with hash -916878413, now seen corresponding path program 1 times [2021-10-16 22:47:21,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:21,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174946112] [2021-10-16 22:47:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:21,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:21,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:21,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174946112] [2021-10-16 22:47:21,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174946112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:21,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:21,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:47:21,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056277047] [2021-10-16 22:47:21,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:47:21,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:21,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:47:21,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:21,535 INFO L87 Difference]: Start difference. First operand 9592 states and 18993 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:22,275 INFO L93 Difference]: Finished difference Result 10059 states and 19927 transitions. [2021-10-16 22:47:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:47:22,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-10-16 22:47:22,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:22,292 INFO L225 Difference]: With dead ends: 10059 [2021-10-16 22:47:22,293 INFO L226 Difference]: Without dead ends: 10059 [2021-10-16 22:47:22,293 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:47:22,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10059 states. [2021-10-16 22:47:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10059 to 9958. [2021-10-16 22:47:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9958 states, 9929 states have (on average 1.9866048947527444) internal successors, (19725), 9957 states have internal predecessors, (19725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 19725 transitions. [2021-10-16 22:47:22,473 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 19725 transitions. Word has length 91 [2021-10-16 22:47:22,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:22,474 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 19725 transitions. [2021-10-16 22:47:22,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 19725 transitions. [2021-10-16 22:47:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:22,475 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:22,475 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:22,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:47:22,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:22,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:22,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1207017798, now seen corresponding path program 1 times [2021-10-16 22:47:22,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:22,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589161836] [2021-10-16 22:47:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:22,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:22,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:22,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589161836] [2021-10-16 22:47:22,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589161836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:22,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:22,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:22,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416055017] [2021-10-16 22:47:22,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:22,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:22,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:22,681 INFO L87 Difference]: Start difference. First operand 9958 states and 19725 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:24,969 INFO L93 Difference]: Finished difference Result 19878 states and 39363 transitions. [2021-10-16 22:47:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:47:24,970 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:24,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:25,006 INFO L225 Difference]: With dead ends: 19878 [2021-10-16 22:47:25,006 INFO L226 Difference]: Without dead ends: 19878 [2021-10-16 22:47:25,007 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 417.7ms TimeCoverageRelationStatistics Valid=368, Invalid=1354, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:47:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19878 states. [2021-10-16 22:47:25,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19878 to 10659. [2021-10-16 22:47:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10659 states, 10630 states have (on average 1.989557855126999) internal successors, (21149), 10658 states have internal predecessors, (21149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10659 states to 10659 states and 21149 transitions. [2021-10-16 22:47:25,291 INFO L78 Accepts]: Start accepts. Automaton has 10659 states and 21149 transitions. Word has length 95 [2021-10-16 22:47:25,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:25,291 INFO L470 AbstractCegarLoop]: Abstraction has 10659 states and 21149 transitions. [2021-10-16 22:47:25,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 10659 states and 21149 transitions. [2021-10-16 22:47:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:25,295 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:25,295 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:25,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:47:25,296 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:25,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:25,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1953266422, now seen corresponding path program 2 times [2021-10-16 22:47:25,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:25,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660301882] [2021-10-16 22:47:25,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:25,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:25,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:25,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660301882] [2021-10-16 22:47:25,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660301882] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:25,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:25,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:25,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938408341] [2021-10-16 22:47:25,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:25,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:25,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:25,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:25,549 INFO L87 Difference]: Start difference. First operand 10659 states and 21149 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:27,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:27,823 INFO L93 Difference]: Finished difference Result 19874 states and 39359 transitions. [2021-10-16 22:47:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:47:27,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:27,854 INFO L225 Difference]: With dead ends: 19874 [2021-10-16 22:47:27,854 INFO L226 Difference]: Without dead ends: 19874 [2021-10-16 22:47:27,855 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 480.7ms TimeCoverageRelationStatistics Valid=401, Invalid=1491, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:47:27,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19874 states. [2021-10-16 22:47:28,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19874 to 10684. [2021-10-16 22:47:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10684 states, 10655 states have (on average 1.989676208352886) internal successors, (21200), 10683 states have internal predecessors, (21200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10684 states to 10684 states and 21200 transitions. [2021-10-16 22:47:28,064 INFO L78 Accepts]: Start accepts. Automaton has 10684 states and 21200 transitions. Word has length 95 [2021-10-16 22:47:28,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:28,064 INFO L470 AbstractCegarLoop]: Abstraction has 10684 states and 21200 transitions. [2021-10-16 22:47:28,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 10684 states and 21200 transitions. [2021-10-16 22:47:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:28,065 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:28,065 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:28,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:47:28,066 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:28,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:28,066 INFO L82 PathProgramCache]: Analyzing trace with hash 823519080, now seen corresponding path program 3 times [2021-10-16 22:47:28,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:28,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889408634] [2021-10-16 22:47:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:28,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:28,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:28,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889408634] [2021-10-16 22:47:28,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889408634] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:28,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:28,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:28,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129733843] [2021-10-16 22:47:28,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:28,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:28,317 INFO L87 Difference]: Start difference. First operand 10684 states and 21200 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:30,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:30,540 INFO L93 Difference]: Finished difference Result 19930 states and 39471 transitions. [2021-10-16 22:47:30,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:47:30,541 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:30,576 INFO L225 Difference]: With dead ends: 19930 [2021-10-16 22:47:30,576 INFO L226 Difference]: Without dead ends: 19930 [2021-10-16 22:47:30,577 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 472.2ms TimeCoverageRelationStatistics Valid=369, Invalid=1437, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:47:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19930 states. [2021-10-16 22:47:30,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19930 to 10686. [2021-10-16 22:47:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10686 states, 10657 states have (on average 1.989678145819649) internal successors, (21204), 10685 states have internal predecessors, (21204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10686 states to 10686 states and 21204 transitions. [2021-10-16 22:47:30,785 INFO L78 Accepts]: Start accepts. Automaton has 10686 states and 21204 transitions. Word has length 95 [2021-10-16 22:47:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:30,785 INFO L470 AbstractCegarLoop]: Abstraction has 10686 states and 21204 transitions. [2021-10-16 22:47:30,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10686 states and 21204 transitions. [2021-10-16 22:47:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:30,787 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:30,787 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:30,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 22:47:30,787 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:30,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:30,787 INFO L82 PathProgramCache]: Analyzing trace with hash 2091233478, now seen corresponding path program 4 times [2021-10-16 22:47:30,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:30,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598271348] [2021-10-16 22:47:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:30,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:30,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:30,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598271348] [2021-10-16 22:47:30,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598271348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:30,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:30,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:30,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904479143] [2021-10-16 22:47:30,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:30,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:30,987 INFO L87 Difference]: Start difference. First operand 10686 states and 21204 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:33,406 INFO L93 Difference]: Finished difference Result 19946 states and 39503 transitions. [2021-10-16 22:47:33,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:47:33,407 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:33,434 INFO L225 Difference]: With dead ends: 19946 [2021-10-16 22:47:33,434 INFO L226 Difference]: Without dead ends: 19946 [2021-10-16 22:47:33,435 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 445.1ms TimeCoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:47:33,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19946 states. [2021-10-16 22:47:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19946 to 10709. [2021-10-16 22:47:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10709 states, 10680 states have (on average 1.9897940074906366) internal successors, (21251), 10708 states have internal predecessors, (21251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10709 states to 10709 states and 21251 transitions. [2021-10-16 22:47:33,671 INFO L78 Accepts]: Start accepts. Automaton has 10709 states and 21251 transitions. Word has length 95 [2021-10-16 22:47:33,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:33,671 INFO L470 AbstractCegarLoop]: Abstraction has 10709 states and 21251 transitions. [2021-10-16 22:47:33,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 10709 states and 21251 transitions. [2021-10-16 22:47:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:33,673 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:33,673 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:33,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 22:47:33,674 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:33,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1178726862, now seen corresponding path program 5 times [2021-10-16 22:47:33,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:33,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911177105] [2021-10-16 22:47:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:33,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:33,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:33,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911177105] [2021-10-16 22:47:33,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911177105] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:33,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:33,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:33,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008751327] [2021-10-16 22:47:33,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:33,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:33,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:33,828 INFO L87 Difference]: Start difference. First operand 10709 states and 21251 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:35,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:35,849 INFO L93 Difference]: Finished difference Result 20026 states and 39663 transitions. [2021-10-16 22:47:35,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-16 22:47:35,850 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:35,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:35,877 INFO L225 Difference]: With dead ends: 20026 [2021-10-16 22:47:35,878 INFO L226 Difference]: Without dead ends: 20026 [2021-10-16 22:47:35,879 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 566.4ms TimeCoverageRelationStatistics Valid=647, Invalid=2545, Unknown=0, NotChecked=0, Total=3192 [2021-10-16 22:47:35,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20026 states. [2021-10-16 22:47:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20026 to 10734. [2021-10-16 22:47:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10734 states, 10705 states have (on average 1.9899112564222325) internal successors, (21302), 10733 states have internal predecessors, (21302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10734 states to 10734 states and 21302 transitions. [2021-10-16 22:47:36,140 INFO L78 Accepts]: Start accepts. Automaton has 10734 states and 21302 transitions. Word has length 95 [2021-10-16 22:47:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:36,140 INFO L470 AbstractCegarLoop]: Abstraction has 10734 states and 21302 transitions. [2021-10-16 22:47:36,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 10734 states and 21302 transitions. [2021-10-16 22:47:36,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:36,142 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:36,142 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:36,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 22:47:36,142 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:36,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:36,142 INFO L82 PathProgramCache]: Analyzing trace with hash 224981068, now seen corresponding path program 6 times [2021-10-16 22:47:36,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:36,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459049805] [2021-10-16 22:47:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:36,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:36,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:36,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459049805] [2021-10-16 22:47:36,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459049805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:36,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:36,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:36,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985651068] [2021-10-16 22:47:36,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:36,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:36,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:36,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:36,328 INFO L87 Difference]: Start difference. First operand 10734 states and 21302 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:38,964 INFO L93 Difference]: Finished difference Result 28882 states and 57259 transitions. [2021-10-16 22:47:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:47:38,964 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:39,007 INFO L225 Difference]: With dead ends: 28882 [2021-10-16 22:47:39,008 INFO L226 Difference]: Without dead ends: 28882 [2021-10-16 22:47:39,009 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 995 ImplicationChecksByTransitivity, 595.2ms TimeCoverageRelationStatistics Valid=691, Invalid=2849, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:47:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28882 states. [2021-10-16 22:47:39,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28882 to 10742. [2021-10-16 22:47:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10742 states, 10713 states have (on average 1.9899187902548305) internal successors, (21318), 10741 states have internal predecessors, (21318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10742 states to 10742 states and 21318 transitions. [2021-10-16 22:47:39,287 INFO L78 Accepts]: Start accepts. Automaton has 10742 states and 21318 transitions. Word has length 95 [2021-10-16 22:47:39,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:39,288 INFO L470 AbstractCegarLoop]: Abstraction has 10742 states and 21318 transitions. [2021-10-16 22:47:39,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 10742 states and 21318 transitions. [2021-10-16 22:47:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:39,289 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:39,289 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:39,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 22:47:39,290 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:39,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1893689098, now seen corresponding path program 7 times [2021-10-16 22:47:39,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:39,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708879458] [2021-10-16 22:47:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:39,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:39,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:39,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708879458] [2021-10-16 22:47:39,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708879458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:39,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:39,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:39,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855080276] [2021-10-16 22:47:39,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:39,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:39,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:39,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:39,444 INFO L87 Difference]: Start difference. First operand 10742 states and 21318 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:42,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:42,448 INFO L93 Difference]: Finished difference Result 28593 states and 56684 transitions. [2021-10-16 22:47:42,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-16 22:47:42,448 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:42,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:42,494 INFO L225 Difference]: With dead ends: 28593 [2021-10-16 22:47:42,494 INFO L226 Difference]: Without dead ends: 28593 [2021-10-16 22:47:42,495 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 583.4ms TimeCoverageRelationStatistics Valid=736, Invalid=3170, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:47:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28593 states. [2021-10-16 22:47:42,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28593 to 10809. [2021-10-16 22:47:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10809 states, 10780 states have (on average 1.990074211502783) internal successors, (21453), 10808 states have internal predecessors, (21453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10809 states to 10809 states and 21453 transitions. [2021-10-16 22:47:42,788 INFO L78 Accepts]: Start accepts. Automaton has 10809 states and 21453 transitions. Word has length 95 [2021-10-16 22:47:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:42,788 INFO L470 AbstractCegarLoop]: Abstraction has 10809 states and 21453 transitions. [2021-10-16 22:47:42,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 10809 states and 21453 transitions. [2021-10-16 22:47:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:42,790 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:42,790 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:42,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 22:47:42,790 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:42,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:42,791 INFO L82 PathProgramCache]: Analyzing trace with hash 490482509, now seen corresponding path program 1 times [2021-10-16 22:47:42,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:42,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234660038] [2021-10-16 22:47:42,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:42,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:42,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:42,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234660038] [2021-10-16 22:47:42,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234660038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:42,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:42,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:42,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355829784] [2021-10-16 22:47:42,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:42,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:42,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:42,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:42,928 INFO L87 Difference]: Start difference. First operand 10809 states and 21453 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:45,802 INFO L93 Difference]: Finished difference Result 28453 states and 56404 transitions. [2021-10-16 22:47:45,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-16 22:47:45,802 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:45,843 INFO L225 Difference]: With dead ends: 28453 [2021-10-16 22:47:45,843 INFO L226 Difference]: Without dead ends: 28453 [2021-10-16 22:47:45,845 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1957 ImplicationChecksByTransitivity, 792.7ms TimeCoverageRelationStatistics Valid=1034, Invalid=5128, Unknown=0, NotChecked=0, Total=6162 [2021-10-16 22:47:45,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28453 states. [2021-10-16 22:47:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28453 to 10893. [2021-10-16 22:47:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10893 states, 10864 states have (on average 1.9897827687776142) internal successors, (21617), 10892 states have internal predecessors, (21617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10893 states to 10893 states and 21617 transitions. [2021-10-16 22:47:46,114 INFO L78 Accepts]: Start accepts. Automaton has 10893 states and 21617 transitions. Word has length 95 [2021-10-16 22:47:46,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:46,114 INFO L470 AbstractCegarLoop]: Abstraction has 10893 states and 21617 transitions. [2021-10-16 22:47:46,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:46,114 INFO L276 IsEmpty]: Start isEmpty. Operand 10893 states and 21617 transitions. [2021-10-16 22:47:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:46,116 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:46,116 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:46,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 22:47:46,116 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:46,116 INFO L82 PathProgramCache]: Analyzing trace with hash -448274789, now seen corresponding path program 2 times [2021-10-16 22:47:46,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:46,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814876313] [2021-10-16 22:47:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:46,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:46,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:46,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814876313] [2021-10-16 22:47:46,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814876313] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:46,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:46,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:46,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343456530] [2021-10-16 22:47:46,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:46,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:46,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:46,292 INFO L87 Difference]: Start difference. First operand 10893 states and 21617 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:48,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:48,921 INFO L93 Difference]: Finished difference Result 29221 states and 57938 transitions. [2021-10-16 22:47:48,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:47:48,921 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:48,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:48,964 INFO L225 Difference]: With dead ends: 29221 [2021-10-16 22:47:48,964 INFO L226 Difference]: Without dead ends: 29221 [2021-10-16 22:47:48,965 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 796 ImplicationChecksByTransitivity, 558.2ms TimeCoverageRelationStatistics Valid=510, Invalid=2246, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:47:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29221 states. [2021-10-16 22:47:49,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29221 to 10933. [2021-10-16 22:47:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10933 states, 10904 states have (on average 1.9899119589141598) internal successors, (21698), 10932 states have internal predecessors, (21698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10933 states to 10933 states and 21698 transitions. [2021-10-16 22:47:49,251 INFO L78 Accepts]: Start accepts. Automaton has 10933 states and 21698 transitions. Word has length 95 [2021-10-16 22:47:49,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:49,251 INFO L470 AbstractCegarLoop]: Abstraction has 10933 states and 21698 transitions. [2021-10-16 22:47:49,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 10933 states and 21698 transitions. [2021-10-16 22:47:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:49,253 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:49,253 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:49,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 22:47:49,253 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash 131529429, now seen corresponding path program 3 times [2021-10-16 22:47:49,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:49,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391958400] [2021-10-16 22:47:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:49,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:49,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:49,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391958400] [2021-10-16 22:47:49,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391958400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:49,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:49,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:49,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416652331] [2021-10-16 22:47:49,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:49,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:49,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:49,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:49,405 INFO L87 Difference]: Start difference. First operand 10933 states and 21698 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:51,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:51,653 INFO L93 Difference]: Finished difference Result 29319 states and 58134 transitions. [2021-10-16 22:47:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:47:51,653 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:51,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:51,699 INFO L225 Difference]: With dead ends: 29319 [2021-10-16 22:47:51,700 INFO L226 Difference]: Without dead ends: 29319 [2021-10-16 22:47:51,701 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 726 ImplicationChecksByTransitivity, 534.8ms TimeCoverageRelationStatistics Valid=463, Invalid=2087, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:47:51,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29319 states. [2021-10-16 22:47:51,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29319 to 10945. [2021-10-16 22:47:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10945 states, 10916 states have (on average 1.990014657383657) internal successors, (21723), 10944 states have internal predecessors, (21723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10945 states to 10945 states and 21723 transitions. [2021-10-16 22:47:51,917 INFO L78 Accepts]: Start accepts. Automaton has 10945 states and 21723 transitions. Word has length 95 [2021-10-16 22:47:51,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:51,917 INFO L470 AbstractCegarLoop]: Abstraction has 10945 states and 21723 transitions. [2021-10-16 22:47:51,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:51,917 INFO L276 IsEmpty]: Start isEmpty. Operand 10945 states and 21723 transitions. [2021-10-16 22:47:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:51,919 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:51,919 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:51,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 22:47:51,919 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:51,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:51,919 INFO L82 PathProgramCache]: Analyzing trace with hash -910492611, now seen corresponding path program 4 times [2021-10-16 22:47:51,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:51,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524347705] [2021-10-16 22:47:51,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:51,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:52,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:52,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524347705] [2021-10-16 22:47:52,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524347705] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:52,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:52,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:52,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337790751] [2021-10-16 22:47:52,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:52,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:52,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:52,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:52,089 INFO L87 Difference]: Start difference. First operand 10945 states and 21723 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:54,593 INFO L93 Difference]: Finished difference Result 29391 states and 58278 transitions. [2021-10-16 22:47:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:47:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:54,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:54,636 INFO L225 Difference]: With dead ends: 29391 [2021-10-16 22:47:54,636 INFO L226 Difference]: Without dead ends: 29391 [2021-10-16 22:47:54,637 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 479.2ms TimeCoverageRelationStatistics Valid=421, Invalid=1931, Unknown=0, NotChecked=0, Total=2352 [2021-10-16 22:47:54,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29391 states. [2021-10-16 22:47:54,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29391 to 10957. [2021-10-16 22:47:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10957 states, 10928 states have (on average 1.990117130307467) internal successors, (21748), 10956 states have internal predecessors, (21748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10957 states to 10957 states and 21748 transitions. [2021-10-16 22:47:54,847 INFO L78 Accepts]: Start accepts. Automaton has 10957 states and 21748 transitions. Word has length 95 [2021-10-16 22:47:54,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:54,847 INFO L470 AbstractCegarLoop]: Abstraction has 10957 states and 21748 transitions. [2021-10-16 22:47:54,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 10957 states and 21748 transitions. [2021-10-16 22:47:54,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:54,849 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:54,849 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:54,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 22:47:54,849 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:54,850 INFO L82 PathProgramCache]: Analyzing trace with hash 62545331, now seen corresponding path program 5 times [2021-10-16 22:47:54,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:54,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301237966] [2021-10-16 22:47:54,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:54,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:54,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:54,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301237966] [2021-10-16 22:47:54,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301237966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:54,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:54,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:54,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693832502] [2021-10-16 22:47:54,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:54,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:54,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:54,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:54,992 INFO L87 Difference]: Start difference. First operand 10957 states and 21748 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:57,624 INFO L93 Difference]: Finished difference Result 37760 states and 74901 transitions. [2021-10-16 22:47:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:47:57,625 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:47:57,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:57,676 INFO L225 Difference]: With dead ends: 37760 [2021-10-16 22:47:57,676 INFO L226 Difference]: Without dead ends: 37760 [2021-10-16 22:47:57,677 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 524.8ms TimeCoverageRelationStatistics Valid=578, Invalid=2614, Unknown=0, NotChecked=0, Total=3192 [2021-10-16 22:47:57,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37760 states. [2021-10-16 22:47:57,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37760 to 10993. [2021-10-16 22:47:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10993 states, 10964 states have (on average 1.9902407880335644) internal successors, (21821), 10992 states have internal predecessors, (21821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10993 states to 10993 states and 21821 transitions. [2021-10-16 22:47:57,934 INFO L78 Accepts]: Start accepts. Automaton has 10993 states and 21821 transitions. Word has length 95 [2021-10-16 22:47:57,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:57,934 INFO L470 AbstractCegarLoop]: Abstraction has 10993 states and 21821 transitions. [2021-10-16 22:47:57,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 10993 states and 21821 transitions. [2021-10-16 22:47:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:47:57,936 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:57,936 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:57,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 22:47:57,936 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:47:57,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:57,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1536779820, now seen corresponding path program 8 times [2021-10-16 22:47:57,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:57,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117740755] [2021-10-16 22:47:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:57,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:58,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:58,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117740755] [2021-10-16 22:47:58,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117740755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:58,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:58,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:47:58,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537275428] [2021-10-16 22:47:58,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:47:58,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:58,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:47:58,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:47:58,062 INFO L87 Difference]: Start difference. First operand 10993 states and 21821 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:01,200 INFO L93 Difference]: Finished difference Result 37748 states and 74861 transitions. [2021-10-16 22:48:01,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:48:01,203 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:01,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:01,269 INFO L225 Difference]: With dead ends: 37748 [2021-10-16 22:48:01,269 INFO L226 Difference]: Without dead ends: 37748 [2021-10-16 22:48:01,270 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 658.3ms TimeCoverageRelationStatistics Valid=815, Invalid=3607, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:48:01,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37748 states. [2021-10-16 22:48:01,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37748 to 10927. [2021-10-16 22:48:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10927 states, 10898 states have (on average 1.9898146448889704) internal successors, (21685), 10926 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 21685 transitions. [2021-10-16 22:48:01,576 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 21685 transitions. Word has length 95 [2021-10-16 22:48:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:01,577 INFO L470 AbstractCegarLoop]: Abstraction has 10927 states and 21685 transitions. [2021-10-16 22:48:01,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 21685 transitions. [2021-10-16 22:48:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:01,578 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:01,578 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:01,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 22:48:01,578 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1660349615, now seen corresponding path program 6 times [2021-10-16 22:48:01,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:01,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829175264] [2021-10-16 22:48:01,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:01,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:01,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:01,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829175264] [2021-10-16 22:48:01,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829175264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:01,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:01,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:01,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872352438] [2021-10-16 22:48:01,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:01,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:01,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:01,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:01,725 INFO L87 Difference]: Start difference. First operand 10927 states and 21685 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:04,168 INFO L93 Difference]: Finished difference Result 45738 states and 90742 transitions. [2021-10-16 22:48:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:48:04,171 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:04,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:04,239 INFO L225 Difference]: With dead ends: 45738 [2021-10-16 22:48:04,240 INFO L226 Difference]: Without dead ends: 45738 [2021-10-16 22:48:04,241 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 598.7ms TimeCoverageRelationStatistics Valid=630, Invalid=2910, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:48:04,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45738 states. [2021-10-16 22:48:04,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45738 to 11023. [2021-10-16 22:48:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11023 states, 10994 states have (on average 1.9902674185919593) internal successors, (21881), 11022 states have internal predecessors, (21881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11023 states to 11023 states and 21881 transitions. [2021-10-16 22:48:04,534 INFO L78 Accepts]: Start accepts. Automaton has 11023 states and 21881 transitions. Word has length 95 [2021-10-16 22:48:04,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:04,534 INFO L470 AbstractCegarLoop]: Abstraction has 11023 states and 21881 transitions. [2021-10-16 22:48:04,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11023 states and 21881 transitions. [2021-10-16 22:48:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:04,536 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:04,536 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:04,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 22:48:04,536 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:04,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:04,537 INFO L82 PathProgramCache]: Analyzing trace with hash -186115126, now seen corresponding path program 9 times [2021-10-16 22:48:04,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:04,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804031355] [2021-10-16 22:48:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:04,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:04,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:04,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:04,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804031355] [2021-10-16 22:48:04,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804031355] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:04,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:04,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:04,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516233858] [2021-10-16 22:48:04,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:04,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:04,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:04,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:04,663 INFO L87 Difference]: Start difference. First operand 11023 states and 21881 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:08,658 INFO L93 Difference]: Finished difference Result 46009 states and 91263 transitions. [2021-10-16 22:48:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:48:08,658 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:08,728 INFO L225 Difference]: With dead ends: 46009 [2021-10-16 22:48:08,728 INFO L226 Difference]: Without dead ends: 46009 [2021-10-16 22:48:08,729 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 612.9ms TimeCoverageRelationStatistics Valid=815, Invalid=3607, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:48:08,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46009 states. [2021-10-16 22:48:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46009 to 10927. [2021-10-16 22:48:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10927 states, 10898 states have (on average 1.9898146448889704) internal successors, (21685), 10926 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10927 states to 10927 states and 21685 transitions. [2021-10-16 22:48:09,024 INFO L78 Accepts]: Start accepts. Automaton has 10927 states and 21685 transitions. Word has length 95 [2021-10-16 22:48:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:09,024 INFO L470 AbstractCegarLoop]: Abstraction has 10927 states and 21685 transitions. [2021-10-16 22:48:09,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 10927 states and 21685 transitions. [2021-10-16 22:48:09,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:09,025 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:09,025 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:09,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 22:48:09,026 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:09,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:09,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1642901167, now seen corresponding path program 7 times [2021-10-16 22:48:09,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:09,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351347652] [2021-10-16 22:48:09,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:09,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:09,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:09,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351347652] [2021-10-16 22:48:09,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351347652] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:09,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:09,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:09,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059206216] [2021-10-16 22:48:09,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:09,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:09,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:09,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:09,194 INFO L87 Difference]: Start difference. First operand 10927 states and 21685 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:10,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:10,944 INFO L93 Difference]: Finished difference Result 23216 states and 46002 transitions. [2021-10-16 22:48:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:48:10,944 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:10,974 INFO L225 Difference]: With dead ends: 23216 [2021-10-16 22:48:10,974 INFO L226 Difference]: Without dead ends: 23216 [2021-10-16 22:48:10,974 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 347.6ms TimeCoverageRelationStatistics Valid=338, Invalid=1222, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:48:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23216 states. [2021-10-16 22:48:11,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23216 to 10957. [2021-10-16 22:48:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10957 states, 10928 states have (on average 1.989842606149341) internal successors, (21745), 10956 states have internal predecessors, (21745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10957 states to 10957 states and 21745 transitions. [2021-10-16 22:48:11,156 INFO L78 Accepts]: Start accepts. Automaton has 10957 states and 21745 transitions. Word has length 95 [2021-10-16 22:48:11,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:11,156 INFO L470 AbstractCegarLoop]: Abstraction has 10957 states and 21745 transitions. [2021-10-16 22:48:11,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10957 states and 21745 transitions. [2021-10-16 22:48:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:11,157 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:11,158 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:11,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 22:48:11,158 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:11,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:11,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1802066139, now seen corresponding path program 8 times [2021-10-16 22:48:11,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:11,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996213765] [2021-10-16 22:48:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:11,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:11,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:11,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996213765] [2021-10-16 22:48:11,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996213765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:11,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:11,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:11,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781738296] [2021-10-16 22:48:11,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:11,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:11,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:11,320 INFO L87 Difference]: Start difference. First operand 10957 states and 21745 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:13,517 INFO L93 Difference]: Finished difference Result 23292 states and 46154 transitions. [2021-10-16 22:48:13,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:48:13,517 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:13,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:13,551 INFO L225 Difference]: With dead ends: 23292 [2021-10-16 22:48:13,551 INFO L226 Difference]: Without dead ends: 23292 [2021-10-16 22:48:13,552 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 413.5ms TimeCoverageRelationStatistics Valid=367, Invalid=1355, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:48:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23292 states. [2021-10-16 22:48:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23292 to 10971. [2021-10-16 22:48:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10971 states, 10942 states have (on average 1.9899469932370681) internal successors, (21774), 10970 states have internal predecessors, (21774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 21774 transitions. [2021-10-16 22:48:13,745 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 21774 transitions. Word has length 95 [2021-10-16 22:48:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:13,745 INFO L470 AbstractCegarLoop]: Abstraction has 10971 states and 21774 transitions. [2021-10-16 22:48:13,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 21774 transitions. [2021-10-16 22:48:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:13,747 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:13,747 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:13,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 22:48:13,747 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1663971731, now seen corresponding path program 9 times [2021-10-16 22:48:13,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:13,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428710269] [2021-10-16 22:48:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:13,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:13,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:13,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428710269] [2021-10-16 22:48:13,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428710269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:13,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:13,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:13,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502955581] [2021-10-16 22:48:13,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:13,909 INFO L87 Difference]: Start difference. First operand 10971 states and 21774 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:15,984 INFO L93 Difference]: Finished difference Result 23302 states and 46174 transitions. [2021-10-16 22:48:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:48:15,984 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:15,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:16,015 INFO L225 Difference]: With dead ends: 23302 [2021-10-16 22:48:16,015 INFO L226 Difference]: Without dead ends: 23302 [2021-10-16 22:48:16,015 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 418.1ms TimeCoverageRelationStatistics Valid=338, Invalid=1302, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:48:16,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23302 states. [2021-10-16 22:48:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23302 to 10973. [2021-10-16 22:48:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10973 states, 10944 states have (on average 1.9899488304093567) internal successors, (21778), 10972 states have internal predecessors, (21778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10973 states to 10973 states and 21778 transitions. [2021-10-16 22:48:16,192 INFO L78 Accepts]: Start accepts. Automaton has 10973 states and 21778 transitions. Word has length 95 [2021-10-16 22:48:16,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:16,192 INFO L470 AbstractCegarLoop]: Abstraction has 10973 states and 21778 transitions. [2021-10-16 22:48:16,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10973 states and 21778 transitions. [2021-10-16 22:48:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:16,194 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:16,194 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:16,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 22:48:16,194 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:16,194 INFO L82 PathProgramCache]: Analyzing trace with hash -2051191347, now seen corresponding path program 10 times [2021-10-16 22:48:16,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:16,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841039028] [2021-10-16 22:48:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:16,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:16,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:16,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841039028] [2021-10-16 22:48:16,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841039028] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:16,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:16,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:16,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378064528] [2021-10-16 22:48:16,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:16,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:16,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:16,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:16,340 INFO L87 Difference]: Start difference. First operand 10973 states and 21778 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:18,640 INFO L93 Difference]: Finished difference Result 23359 states and 46288 transitions. [2021-10-16 22:48:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:48:18,640 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:18,672 INFO L225 Difference]: With dead ends: 23359 [2021-10-16 22:48:18,672 INFO L226 Difference]: Without dead ends: 23359 [2021-10-16 22:48:18,672 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 405.1ms TimeCoverageRelationStatistics Valid=337, Invalid=1303, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:48:18,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23359 states. [2021-10-16 22:48:18,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23359 to 10985. [2021-10-16 22:48:18,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10985 states, 10956 states have (on average 1.9900511135450893) internal successors, (21803), 10984 states have internal predecessors, (21803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10985 states to 10985 states and 21803 transitions. [2021-10-16 22:48:18,854 INFO L78 Accepts]: Start accepts. Automaton has 10985 states and 21803 transitions. Word has length 95 [2021-10-16 22:48:18,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:18,855 INFO L470 AbstractCegarLoop]: Abstraction has 10985 states and 21803 transitions. [2021-10-16 22:48:18,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 10985 states and 21803 transitions. [2021-10-16 22:48:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:18,856 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:18,856 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:18,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-16 22:48:18,856 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:18,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1688515483, now seen corresponding path program 11 times [2021-10-16 22:48:18,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:18,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116122475] [2021-10-16 22:48:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:18,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:19,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:19,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116122475] [2021-10-16 22:48:19,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116122475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:19,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:19,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:19,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529145823] [2021-10-16 22:48:19,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:19,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:19,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:19,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:19,028 INFO L87 Difference]: Start difference. First operand 10985 states and 21803 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:21,020 INFO L93 Difference]: Finished difference Result 23323 states and 46216 transitions. [2021-10-16 22:48:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:48:21,021 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:21,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:21,055 INFO L225 Difference]: With dead ends: 23323 [2021-10-16 22:48:21,055 INFO L226 Difference]: Without dead ends: 23323 [2021-10-16 22:48:21,056 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 438.1ms TimeCoverageRelationStatistics Valid=314, Invalid=1246, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:48:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23323 states. [2021-10-16 22:48:21,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23323 to 10989. [2021-10-16 22:48:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10989 states, 10960 states have (on average 1.9900547445255474) internal successors, (21811), 10988 states have internal predecessors, (21811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10989 states to 10989 states and 21811 transitions. [2021-10-16 22:48:21,263 INFO L78 Accepts]: Start accepts. Automaton has 10989 states and 21811 transitions. Word has length 95 [2021-10-16 22:48:21,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:21,263 INFO L470 AbstractCegarLoop]: Abstraction has 10989 states and 21811 transitions. [2021-10-16 22:48:21,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 10989 states and 21811 transitions. [2021-10-16 22:48:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:21,265 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:21,265 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:21,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-16 22:48:21,265 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:21,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2026647595, now seen corresponding path program 12 times [2021-10-16 22:48:21,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:21,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914398830] [2021-10-16 22:48:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:21,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:21,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:21,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914398830] [2021-10-16 22:48:21,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914398830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:21,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:21,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:21,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191941498] [2021-10-16 22:48:21,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:21,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:21,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:21,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:21,417 INFO L87 Difference]: Start difference. First operand 10989 states and 21811 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:23,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:23,535 INFO L93 Difference]: Finished difference Result 23421 states and 46412 transitions. [2021-10-16 22:48:23,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:48:23,535 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:23,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:23,566 INFO L225 Difference]: With dead ends: 23421 [2021-10-16 22:48:23,566 INFO L226 Difference]: Without dead ends: 23421 [2021-10-16 22:48:23,567 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 412.5ms TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:48:23,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23421 states. [2021-10-16 22:48:23,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23421 to 10987. [2021-10-16 22:48:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10987 states, 10958 states have (on average 1.9900529293666727) internal successors, (21807), 10986 states have internal predecessors, (21807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10987 states to 10987 states and 21807 transitions. [2021-10-16 22:48:23,764 INFO L78 Accepts]: Start accepts. Automaton has 10987 states and 21807 transitions. Word has length 95 [2021-10-16 22:48:23,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:23,764 INFO L470 AbstractCegarLoop]: Abstraction has 10987 states and 21807 transitions. [2021-10-16 22:48:23,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:23,764 INFO L276 IsEmpty]: Start isEmpty. Operand 10987 states and 21807 transitions. [2021-10-16 22:48:23,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:23,765 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:23,765 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:23,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-16 22:48:23,766 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:23,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:23,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1226297661, now seen corresponding path program 13 times [2021-10-16 22:48:23,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:23,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371782868] [2021-10-16 22:48:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:23,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:23,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:23,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371782868] [2021-10-16 22:48:23,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371782868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:23,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:23,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:23,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187375911] [2021-10-16 22:48:23,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:23,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:23,908 INFO L87 Difference]: Start difference. First operand 10987 states and 21807 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:25,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:25,655 INFO L93 Difference]: Finished difference Result 23433 states and 46436 transitions. [2021-10-16 22:48:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:48:25,655 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:25,687 INFO L225 Difference]: With dead ends: 23433 [2021-10-16 22:48:25,687 INFO L226 Difference]: Without dead ends: 23433 [2021-10-16 22:48:25,688 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 377.1ms TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:48:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23433 states. [2021-10-16 22:48:25,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23433 to 10999. [2021-10-16 22:48:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10999 states, 10970 states have (on average 1.990154968094804) internal successors, (21832), 10998 states have internal predecessors, (21832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10999 states to 10999 states and 21832 transitions. [2021-10-16 22:48:25,867 INFO L78 Accepts]: Start accepts. Automaton has 10999 states and 21832 transitions. Word has length 95 [2021-10-16 22:48:25,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:25,867 INFO L470 AbstractCegarLoop]: Abstraction has 10999 states and 21832 transitions. [2021-10-16 22:48:25,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10999 states and 21832 transitions. [2021-10-16 22:48:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:25,868 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:25,868 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:25,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-16 22:48:25,869 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:25,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:25,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1519999277, now seen corresponding path program 14 times [2021-10-16 22:48:25,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:25,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691268436] [2021-10-16 22:48:25,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:25,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:26,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:26,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691268436] [2021-10-16 22:48:26,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691268436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:26,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:26,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:26,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076934880] [2021-10-16 22:48:26,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:26,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:26,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:26,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:26,033 INFO L87 Difference]: Start difference. First operand 10999 states and 21832 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:29,248 INFO L93 Difference]: Finished difference Result 32110 states and 63673 transitions. [2021-10-16 22:48:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:48:29,248 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:29,295 INFO L225 Difference]: With dead ends: 32110 [2021-10-16 22:48:29,295 INFO L226 Difference]: Without dead ends: 32110 [2021-10-16 22:48:29,296 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 424.6ms TimeCoverageRelationStatistics Valid=370, Invalid=1610, Unknown=0, NotChecked=0, Total=1980 [2021-10-16 22:48:29,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32110 states. [2021-10-16 22:48:29,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32110 to 11011. [2021-10-16 22:48:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11011 states, 10982 states have (on average 1.9901657257330176) internal successors, (21856), 11010 states have internal predecessors, (21856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11011 states to 11011 states and 21856 transitions. [2021-10-16 22:48:29,530 INFO L78 Accepts]: Start accepts. Automaton has 11011 states and 21856 transitions. Word has length 95 [2021-10-16 22:48:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:29,530 INFO L470 AbstractCegarLoop]: Abstraction has 11011 states and 21856 transitions. [2021-10-16 22:48:29,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 11011 states and 21856 transitions. [2021-10-16 22:48:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:29,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:29,532 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:29,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-16 22:48:29,532 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:29,532 INFO L82 PathProgramCache]: Analyzing trace with hash -940195059, now seen corresponding path program 15 times [2021-10-16 22:48:29,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:29,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627737350] [2021-10-16 22:48:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:29,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:29,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:29,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627737350] [2021-10-16 22:48:29,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627737350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:29,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:29,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:29,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837523149] [2021-10-16 22:48:29,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:29,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:29,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:29,677 INFO L87 Difference]: Start difference. First operand 11011 states and 21856 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:31,947 INFO L93 Difference]: Finished difference Result 32208 states and 63869 transitions. [2021-10-16 22:48:31,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:48:31,947 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:31,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:31,994 INFO L225 Difference]: With dead ends: 32208 [2021-10-16 22:48:31,994 INFO L226 Difference]: Without dead ends: 32208 [2021-10-16 22:48:31,995 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 404.6ms TimeCoverageRelationStatistics Valid=350, Invalid=1542, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:48:32,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32208 states. [2021-10-16 22:48:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32208 to 11009. [2021-10-16 22:48:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11009 states, 10980 states have (on average 1.9901639344262294) internal successors, (21852), 11008 states have internal predecessors, (21852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11009 states to 11009 states and 21852 transitions. [2021-10-16 22:48:32,295 INFO L78 Accepts]: Start accepts. Automaton has 11009 states and 21852 transitions. Word has length 95 [2021-10-16 22:48:32,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:32,295 INFO L470 AbstractCegarLoop]: Abstraction has 11009 states and 21852 transitions. [2021-10-16 22:48:32,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:32,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11009 states and 21852 transitions. [2021-10-16 22:48:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:32,296 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:32,296 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:32,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-16 22:48:32,297 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:32,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:32,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1982217099, now seen corresponding path program 16 times [2021-10-16 22:48:32,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:32,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929231496] [2021-10-16 22:48:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:32,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:32,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:32,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929231496] [2021-10-16 22:48:32,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929231496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:32,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:32,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:32,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250783561] [2021-10-16 22:48:32,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:32,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:32,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:32,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:32,437 INFO L87 Difference]: Start difference. First operand 11009 states and 21852 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:34,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:34,769 INFO L93 Difference]: Finished difference Result 32280 states and 64013 transitions. [2021-10-16 22:48:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:48:34,770 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:34,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:34,818 INFO L225 Difference]: With dead ends: 32280 [2021-10-16 22:48:34,819 INFO L226 Difference]: Without dead ends: 32280 [2021-10-16 22:48:34,819 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 386.8ms TimeCoverageRelationStatistics Valid=333, Invalid=1473, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:48:34,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32280 states. [2021-10-16 22:48:35,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32280 to 11007. [2021-10-16 22:48:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11007 states, 10978 states have (on average 1.9901621424667517) internal successors, (21848), 11006 states have internal predecessors, (21848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 21848 transitions. [2021-10-16 22:48:35,066 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 21848 transitions. Word has length 95 [2021-10-16 22:48:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:35,066 INFO L470 AbstractCegarLoop]: Abstraction has 11007 states and 21848 transitions. [2021-10-16 22:48:35,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 21848 transitions. [2021-10-16 22:48:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:35,068 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:35,068 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:35,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-16 22:48:35,068 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:35,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:35,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1009179157, now seen corresponding path program 17 times [2021-10-16 22:48:35,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:35,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88772918] [2021-10-16 22:48:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:35,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:35,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:35,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:35,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88772918] [2021-10-16 22:48:35,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88772918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:35,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:35,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:35,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931171] [2021-10-16 22:48:35,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:35,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:35,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:35,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:35,208 INFO L87 Difference]: Start difference. First operand 11007 states and 21848 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:37,634 INFO L93 Difference]: Finished difference Result 31942 states and 63337 transitions. [2021-10-16 22:48:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:48:37,634 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:37,678 INFO L225 Difference]: With dead ends: 31942 [2021-10-16 22:48:37,678 INFO L226 Difference]: Without dead ends: 31942 [2021-10-16 22:48:37,679 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 397.9ms TimeCoverageRelationStatistics Valid=425, Invalid=1927, Unknown=0, NotChecked=0, Total=2352 [2021-10-16 22:48:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31942 states. [2021-10-16 22:48:37,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31942 to 11043. [2021-10-16 22:48:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11043 states, 11014 states have (on average 1.990285091701471) internal successors, (21921), 11042 states have internal predecessors, (21921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11043 states to 11043 states and 21921 transitions. [2021-10-16 22:48:37,901 INFO L78 Accepts]: Start accepts. Automaton has 11043 states and 21921 transitions. Word has length 95 [2021-10-16 22:48:37,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:37,901 INFO L470 AbstractCegarLoop]: Abstraction has 11043 states and 21921 transitions. [2021-10-16 22:48:37,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11043 states and 21921 transitions. [2021-10-16 22:48:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:37,902 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:37,903 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:37,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-16 22:48:37,903 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:37,903 INFO L82 PathProgramCache]: Analyzing trace with hash 465055332, now seen corresponding path program 10 times [2021-10-16 22:48:37,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:37,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711448347] [2021-10-16 22:48:37,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:37,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:38,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:38,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711448347] [2021-10-16 22:48:38,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711448347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:38,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:38,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:38,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110493491] [2021-10-16 22:48:38,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:38,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:38,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:38,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:38,021 INFO L87 Difference]: Start difference. First operand 11043 states and 21921 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:41,519 INFO L93 Difference]: Finished difference Result 32006 states and 63449 transitions. [2021-10-16 22:48:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:48:41,519 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:41,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:41,566 INFO L225 Difference]: With dead ends: 32006 [2021-10-16 22:48:41,566 INFO L226 Difference]: Without dead ends: 32006 [2021-10-16 22:48:41,567 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 537.0ms TimeCoverageRelationStatistics Valid=663, Invalid=3119, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:48:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32006 states. [2021-10-16 22:48:41,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32006 to 10961. [2021-10-16 22:48:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10961 states, 10932 states have (on average 1.9898463227222831) internal successors, (21753), 10960 states have internal predecessors, (21753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10961 states to 10961 states and 21753 transitions. [2021-10-16 22:48:41,813 INFO L78 Accepts]: Start accepts. Automaton has 10961 states and 21753 transitions. Word has length 95 [2021-10-16 22:48:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:41,813 INFO L470 AbstractCegarLoop]: Abstraction has 10961 states and 21753 transitions. [2021-10-16 22:48:41,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 10961 states and 21753 transitions. [2021-10-16 22:48:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:41,814 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:41,815 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:41,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-16 22:48:41,815 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:41,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:41,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1591267665, now seen corresponding path program 18 times [2021-10-16 22:48:41,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:41,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057267318] [2021-10-16 22:48:41,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:41,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:41,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:41,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057267318] [2021-10-16 22:48:41,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057267318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:41,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:41,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:41,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514699938] [2021-10-16 22:48:41,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:41,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:41,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:41,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:41,960 INFO L87 Difference]: Start difference. First operand 10961 states and 21753 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:44,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:44,641 INFO L93 Difference]: Finished difference Result 40200 states and 79736 transitions. [2021-10-16 22:48:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:48:44,642 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:44,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:44,709 INFO L225 Difference]: With dead ends: 40200 [2021-10-16 22:48:44,709 INFO L226 Difference]: Without dead ends: 40200 [2021-10-16 22:48:44,710 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 478.4ms TimeCoverageRelationStatistics Valid=480, Invalid=2172, Unknown=0, NotChecked=0, Total=2652 [2021-10-16 22:48:44,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40200 states. [2021-10-16 22:48:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40200 to 11001. [2021-10-16 22:48:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11001 states, 10972 states have (on average 1.9899744804958075) internal successors, (21834), 11000 states have internal predecessors, (21834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:45,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11001 states to 11001 states and 21834 transitions. [2021-10-16 22:48:45,004 INFO L78 Accepts]: Start accepts. Automaton has 11001 states and 21834 transitions. Word has length 95 [2021-10-16 22:48:45,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:45,005 INFO L470 AbstractCegarLoop]: Abstraction has 11001 states and 21834 transitions. [2021-10-16 22:48:45,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 11001 states and 21834 transitions. [2021-10-16 22:48:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:45,006 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:45,006 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:45,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-16 22:48:45,006 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:45,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:45,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1011463447, now seen corresponding path program 19 times [2021-10-16 22:48:45,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:45,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351873278] [2021-10-16 22:48:45,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:45,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:45,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:45,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351873278] [2021-10-16 22:48:45,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351873278] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:45,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:45,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:45,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417868427] [2021-10-16 22:48:45,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:45,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:45,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:45,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:45,154 INFO L87 Difference]: Start difference. First operand 11001 states and 21834 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:48,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:48,473 INFO L93 Difference]: Finished difference Result 40298 states and 79932 transitions. [2021-10-16 22:48:48,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:48:48,473 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:48,533 INFO L225 Difference]: With dead ends: 40298 [2021-10-16 22:48:48,534 INFO L226 Difference]: Without dead ends: 40298 [2021-10-16 22:48:48,534 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 462.9ms TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:48:48,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40298 states. [2021-10-16 22:48:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40298 to 11013. [2021-10-16 22:48:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11013 states, 10984 states have (on average 1.990076474872542) internal successors, (21859), 11012 states have internal predecessors, (21859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11013 states to 11013 states and 21859 transitions. [2021-10-16 22:48:48,811 INFO L78 Accepts]: Start accepts. Automaton has 11013 states and 21859 transitions. Word has length 95 [2021-10-16 22:48:48,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:48,811 INFO L470 AbstractCegarLoop]: Abstraction has 11013 states and 21859 transitions. [2021-10-16 22:48:48,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 11013 states and 21859 transitions. [2021-10-16 22:48:48,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:48,812 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:48,812 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:48,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-16 22:48:48,813 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:48,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:48,813 INFO L82 PathProgramCache]: Analyzing trace with hash -2053485487, now seen corresponding path program 20 times [2021-10-16 22:48:48,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:48,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506707784] [2021-10-16 22:48:48,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:48,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:48,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:48,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506707784] [2021-10-16 22:48:48,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506707784] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:48,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:48,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:48,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883527688] [2021-10-16 22:48:48,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:48,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:48,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:48,995 INFO L87 Difference]: Start difference. First operand 11013 states and 21859 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:52,051 INFO L93 Difference]: Finished difference Result 40370 states and 80076 transitions. [2021-10-16 22:48:52,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:48:52,051 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:52,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:52,108 INFO L225 Difference]: With dead ends: 40370 [2021-10-16 22:48:52,109 INFO L226 Difference]: Without dead ends: 40370 [2021-10-16 22:48:52,109 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 438.4ms TimeCoverageRelationStatistics Valid=401, Invalid=1855, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:48:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40370 states. [2021-10-16 22:48:52,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40370 to 11025. [2021-10-16 22:48:52,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 10996 states have (on average 1.99017824663514) internal successors, (21884), 11024 states have internal predecessors, (21884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 21884 transitions. [2021-10-16 22:48:52,368 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 21884 transitions. Word has length 95 [2021-10-16 22:48:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:52,368 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 21884 transitions. [2021-10-16 22:48:52,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 21884 transitions. [2021-10-16 22:48:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:52,370 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:52,370 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:52,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-16 22:48:52,370 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:52,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:52,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1080447545, now seen corresponding path program 21 times [2021-10-16 22:48:52,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:52,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010215302] [2021-10-16 22:48:52,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:52,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:52,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:52,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010215302] [2021-10-16 22:48:52,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010215302] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:52,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:52,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:52,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007580665] [2021-10-16 22:48:52,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:52,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:52,511 INFO L87 Difference]: Start difference. First operand 11025 states and 21884 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:55,509 INFO L93 Difference]: Finished difference Result 48830 states and 96881 transitions. [2021-10-16 22:48:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:48:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:55,582 INFO L225 Difference]: With dead ends: 48830 [2021-10-16 22:48:55,582 INFO L226 Difference]: Without dead ends: 48830 [2021-10-16 22:48:55,583 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 469.3ms TimeCoverageRelationStatistics Valid=538, Invalid=2542, Unknown=0, NotChecked=0, Total=3080 [2021-10-16 22:48:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48830 states. [2021-10-16 22:48:55,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48830 to 11061. [2021-10-16 22:48:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11061 states, 11032 states have (on average 1.9903009427121103) internal successors, (21957), 11060 states have internal predecessors, (21957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11061 states to 11061 states and 21957 transitions. [2021-10-16 22:48:55,875 INFO L78 Accepts]: Start accepts. Automaton has 11061 states and 21957 transitions. Word has length 95 [2021-10-16 22:48:55,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:55,875 INFO L470 AbstractCegarLoop]: Abstraction has 11061 states and 21957 transitions. [2021-10-16 22:48:55,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 11061 states and 21957 transitions. [2021-10-16 22:48:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:48:55,877 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:55,877 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:55,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-16 22:48:55,877 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:48:55,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:55,877 INFO L82 PathProgramCache]: Analyzing trace with hash 393786944, now seen corresponding path program 11 times [2021-10-16 22:48:55,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:55,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836432115] [2021-10-16 22:48:55,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:55,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:56,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:56,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836432115] [2021-10-16 22:48:56,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836432115] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:56,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:56,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:48:56,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883743731] [2021-10-16 22:48:56,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:48:56,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:56,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:48:56,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:48:56,003 INFO L87 Difference]: Start difference. First operand 11061 states and 21957 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:59,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:59,755 INFO L93 Difference]: Finished difference Result 49101 states and 97397 transitions. [2021-10-16 22:48:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:48:59,755 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:48:59,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:59,885 INFO L225 Difference]: With dead ends: 49101 [2021-10-16 22:48:59,885 INFO L226 Difference]: Without dead ends: 49101 [2021-10-16 22:48:59,886 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1304 ImplicationChecksByTransitivity, 613.3ms TimeCoverageRelationStatistics Valid=816, Invalid=3740, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:48:59,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49101 states. [2021-10-16 22:49:00,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49101 to 10965. [2021-10-16 22:49:00,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10965 states, 10936 states have (on average 1.9898500365764449) internal successors, (21761), 10964 states have internal predecessors, (21761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10965 states to 10965 states and 21761 transitions. [2021-10-16 22:49:00,152 INFO L78 Accepts]: Start accepts. Automaton has 10965 states and 21761 transitions. Word has length 95 [2021-10-16 22:49:00,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:00,152 INFO L470 AbstractCegarLoop]: Abstraction has 10965 states and 21761 transitions. [2021-10-16 22:49:00,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 10965 states and 21761 transitions. [2021-10-16 22:49:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:00,154 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:00,154 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:00,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-16 22:49:00,154 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:00,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:00,154 INFO L82 PathProgramCache]: Analyzing trace with hash -514152951, now seen corresponding path program 22 times [2021-10-16 22:49:00,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:00,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162148648] [2021-10-16 22:49:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:00,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:00,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:00,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162148648] [2021-10-16 22:49:00,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162148648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:00,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:00,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:00,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601286699] [2021-10-16 22:49:00,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:00,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:00,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:00,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:00,288 INFO L87 Difference]: Start difference. First operand 10965 states and 21761 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:02,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:02,683 INFO L93 Difference]: Finished difference Result 39890 states and 79118 transitions. [2021-10-16 22:49:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:49:02,683 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:02,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:02,748 INFO L225 Difference]: With dead ends: 39890 [2021-10-16 22:49:02,748 INFO L226 Difference]: Without dead ends: 39890 [2021-10-16 22:49:02,749 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 758 ImplicationChecksByTransitivity, 437.6ms TimeCoverageRelationStatistics Valid=494, Invalid=2262, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:49:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39890 states. [2021-10-16 22:49:02,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39890 to 11061. [2021-10-16 22:49:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11061 states, 11032 states have (on average 1.9903009427121103) internal successors, (21957), 11060 states have internal predecessors, (21957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11061 states to 11061 states and 21957 transitions. [2021-10-16 22:49:03,169 INFO L78 Accepts]: Start accepts. Automaton has 11061 states and 21957 transitions. Word has length 95 [2021-10-16 22:49:03,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:03,169 INFO L470 AbstractCegarLoop]: Abstraction has 11061 states and 21957 transitions. [2021-10-16 22:49:03,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 11061 states and 21957 transitions. [2021-10-16 22:49:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:03,170 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:03,170 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:03,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-16 22:49:03,171 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:03,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:03,171 INFO L82 PathProgramCache]: Analyzing trace with hash 960081538, now seen corresponding path program 12 times [2021-10-16 22:49:03,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:03,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007494855] [2021-10-16 22:49:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:03,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:03,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:03,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007494855] [2021-10-16 22:49:03,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007494855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:03,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:03,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:03,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025927413] [2021-10-16 22:49:03,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:03,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:03,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:03,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:03,306 INFO L87 Difference]: Start difference. First operand 11061 states and 21957 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:06,789 INFO L93 Difference]: Finished difference Result 40237 states and 79791 transitions. [2021-10-16 22:49:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-16 22:49:06,789 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:06,853 INFO L225 Difference]: With dead ends: 40237 [2021-10-16 22:49:06,854 INFO L226 Difference]: Without dead ends: 40237 [2021-10-16 22:49:06,854 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 561.7ms TimeCoverageRelationStatistics Valid=693, Invalid=3213, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:49:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40237 states. [2021-10-16 22:49:07,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40237 to 10961. [2021-10-16 22:49:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10961 states, 10932 states have (on average 1.9898463227222831) internal successors, (21753), 10960 states have internal predecessors, (21753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10961 states to 10961 states and 21753 transitions. [2021-10-16 22:49:07,223 INFO L78 Accepts]: Start accepts. Automaton has 10961 states and 21753 transitions. Word has length 95 [2021-10-16 22:49:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:07,223 INFO L470 AbstractCegarLoop]: Abstraction has 10961 states and 21753 transitions. [2021-10-16 22:49:07,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 10961 states and 21753 transitions. [2021-10-16 22:49:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:07,224 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:07,224 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:07,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-16 22:49:07,225 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:07,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:07,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1764607401, now seen corresponding path program 23 times [2021-10-16 22:49:07,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:07,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593198542] [2021-10-16 22:49:07,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:07,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:07,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:07,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593198542] [2021-10-16 22:49:07,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593198542] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:07,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:07,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:07,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709279274] [2021-10-16 22:49:07,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:07,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:07,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:07,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:07,403 INFO L87 Difference]: Start difference. First operand 10961 states and 21753 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:08,381 INFO L93 Difference]: Finished difference Result 11606 states and 22959 transitions. [2021-10-16 22:49:08,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:49:08,382 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:08,397 INFO L225 Difference]: With dead ends: 11606 [2021-10-16 22:49:08,397 INFO L226 Difference]: Without dead ends: 11606 [2021-10-16 22:49:08,397 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 238.3ms TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:49:08,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11606 states. [2021-10-16 22:49:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11606 to 10983. [2021-10-16 22:49:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10983 states, 10954 states have (on average 1.9898667153551215) internal successors, (21797), 10982 states have internal predecessors, (21797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10983 states to 10983 states and 21797 transitions. [2021-10-16 22:49:08,529 INFO L78 Accepts]: Start accepts. Automaton has 10983 states and 21797 transitions. Word has length 95 [2021-10-16 22:49:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:08,529 INFO L470 AbstractCegarLoop]: Abstraction has 10983 states and 21797 transitions. [2021-10-16 22:49:08,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 10983 states and 21797 transitions. [2021-10-16 22:49:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:08,531 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:08,531 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:08,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-16 22:49:08,531 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:08,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1375564051, now seen corresponding path program 24 times [2021-10-16 22:49:08,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:08,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614597820] [2021-10-16 22:49:08,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:08,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:08,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:08,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614597820] [2021-10-16 22:49:08,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614597820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:08,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:08,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:08,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926084090] [2021-10-16 22:49:08,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:08,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:08,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:08,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:08,705 INFO L87 Difference]: Start difference. First operand 10983 states and 21797 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:09,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:09,856 INFO L93 Difference]: Finished difference Result 11656 states and 23059 transitions. [2021-10-16 22:49:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:49:09,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:09,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:09,870 INFO L225 Difference]: With dead ends: 11656 [2021-10-16 22:49:09,870 INFO L226 Difference]: Without dead ends: 11656 [2021-10-16 22:49:09,871 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 301.1ms TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:49:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-10-16 22:49:09,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 10985. [2021-10-16 22:49:09,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10985 states, 10956 states have (on average 1.98986856516977) internal successors, (21801), 10984 states have internal predecessors, (21801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10985 states to 10985 states and 21801 transitions. [2021-10-16 22:49:09,987 INFO L78 Accepts]: Start accepts. Automaton has 10985 states and 21801 transitions. Word has length 95 [2021-10-16 22:49:09,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:09,987 INFO L470 AbstractCegarLoop]: Abstraction has 10985 states and 21801 transitions. [2021-10-16 22:49:09,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 10985 states and 21801 transitions. [2021-10-16 22:49:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:09,989 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:09,989 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:09,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-16 22:49:09,989 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:09,989 INFO L82 PathProgramCache]: Analyzing trace with hash 445888987, now seen corresponding path program 25 times [2021-10-16 22:49:09,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:09,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916393723] [2021-10-16 22:49:09,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:09,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:10,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:10,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916393723] [2021-10-16 22:49:10,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916393723] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:10,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:10,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:10,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447664556] [2021-10-16 22:49:10,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:10,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:10,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:10,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:10,161 INFO L87 Difference]: Start difference. First operand 10985 states and 21801 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:11,753 INFO L93 Difference]: Finished difference Result 11684 states and 23115 transitions. [2021-10-16 22:49:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:11,753 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:11,766 INFO L225 Difference]: With dead ends: 11684 [2021-10-16 22:49:11,766 INFO L226 Difference]: Without dead ends: 11684 [2021-10-16 22:49:11,766 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 345.8ms TimeCoverageRelationStatistics Valid=218, Invalid=904, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:11,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11684 states. [2021-10-16 22:49:11,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11684 to 10999. [2021-10-16 22:49:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10999 states, 10970 states have (on average 1.9899726526891521) internal successors, (21830), 10998 states have internal predecessors, (21830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10999 states to 10999 states and 21830 transitions. [2021-10-16 22:49:11,884 INFO L78 Accepts]: Start accepts. Automaton has 10999 states and 21830 transitions. Word has length 95 [2021-10-16 22:49:11,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:11,885 INFO L470 AbstractCegarLoop]: Abstraction has 10999 states and 21830 transitions. [2021-10-16 22:49:11,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 10999 states and 21830 transitions. [2021-10-16 22:49:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:11,886 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:11,886 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:11,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-16 22:49:11,886 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash -168811129, now seen corresponding path program 26 times [2021-10-16 22:49:11,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:11,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343854080] [2021-10-16 22:49:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:11,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:12,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:12,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343854080] [2021-10-16 22:49:12,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343854080] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:12,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:12,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:12,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920139962] [2021-10-16 22:49:12,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:12,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:12,045 INFO L87 Difference]: Start difference. First operand 10999 states and 21830 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:13,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:13,282 INFO L93 Difference]: Finished difference Result 11648 states and 23044 transitions. [2021-10-16 22:49:13,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:49:13,282 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:13,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:13,297 INFO L225 Difference]: With dead ends: 11648 [2021-10-16 22:49:13,297 INFO L226 Difference]: Without dead ends: 11648 [2021-10-16 22:49:13,298 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 300.2ms TimeCoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:49:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11648 states. [2021-10-16 22:49:13,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11648 to 11003. [2021-10-16 22:49:13,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11003 states, 10974 states have (on average 1.9899763076362311) internal successors, (21838), 11002 states have internal predecessors, (21838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11003 states to 11003 states and 21838 transitions. [2021-10-16 22:49:13,431 INFO L78 Accepts]: Start accepts. Automaton has 11003 states and 21838 transitions. Word has length 95 [2021-10-16 22:49:13,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:13,431 INFO L470 AbstractCegarLoop]: Abstraction has 11003 states and 21838 transitions. [2021-10-16 22:49:13,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 11003 states and 21838 transitions. [2021-10-16 22:49:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:13,432 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:13,432 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:13,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-16 22:49:13,433 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1098486193, now seen corresponding path program 27 times [2021-10-16 22:49:13,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:13,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159794765] [2021-10-16 22:49:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:13,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:13,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:13,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159794765] [2021-10-16 22:49:13,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159794765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:13,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:13,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:13,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804603778] [2021-10-16 22:49:13,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:13,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:13,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:13,598 INFO L87 Difference]: Start difference. First operand 11003 states and 21838 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:15,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:15,104 INFO L93 Difference]: Finished difference Result 11724 states and 23196 transitions. [2021-10-16 22:49:15,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:15,105 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:15,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:15,117 INFO L225 Difference]: With dead ends: 11724 [2021-10-16 22:49:15,117 INFO L226 Difference]: Without dead ends: 11724 [2021-10-16 22:49:15,117 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 380.9ms TimeCoverageRelationStatistics Valid=233, Invalid=957, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11724 states. [2021-10-16 22:49:15,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11724 to 11001. [2021-10-16 22:49:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11001 states, 10972 states have (on average 1.9899744804958075) internal successors, (21834), 11000 states have internal predecessors, (21834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11001 states to 11001 states and 21834 transitions. [2021-10-16 22:49:15,232 INFO L78 Accepts]: Start accepts. Automaton has 11001 states and 21834 transitions. Word has length 95 [2021-10-16 22:49:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:15,232 INFO L470 AbstractCegarLoop]: Abstraction has 11001 states and 21834 transitions. [2021-10-16 22:49:15,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 11001 states and 21834 transitions. [2021-10-16 22:49:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:15,233 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:15,233 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:15,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-16 22:49:15,234 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:15,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:15,234 INFO L82 PathProgramCache]: Analyzing trace with hash 2063646093, now seen corresponding path program 28 times [2021-10-16 22:49:15,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:15,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726007295] [2021-10-16 22:49:15,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:15,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:15,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:15,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726007295] [2021-10-16 22:49:15,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726007295] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:15,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:15,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:15,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735454154] [2021-10-16 22:49:15,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:15,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:15,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:15,391 INFO L87 Difference]: Start difference. First operand 11001 states and 21834 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:17,166 INFO L93 Difference]: Finished difference Result 11686 states and 23120 transitions. [2021-10-16 22:49:17,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:17,167 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:17,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:17,180 INFO L225 Difference]: With dead ends: 11686 [2021-10-16 22:49:17,180 INFO L226 Difference]: Without dead ends: 11686 [2021-10-16 22:49:17,180 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 346.3ms TimeCoverageRelationStatistics Valid=210, Invalid=912, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11686 states. [2021-10-16 22:49:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11686 to 11003. [2021-10-16 22:49:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11003 states, 10974 states have (on average 1.9899763076362311) internal successors, (21838), 11002 states have internal predecessors, (21838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11003 states to 11003 states and 21838 transitions. [2021-10-16 22:49:17,297 INFO L78 Accepts]: Start accepts. Automaton has 11003 states and 21838 transitions. Word has length 95 [2021-10-16 22:49:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:17,297 INFO L470 AbstractCegarLoop]: Abstraction has 11003 states and 21838 transitions. [2021-10-16 22:49:17,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11003 states and 21838 transitions. [2021-10-16 22:49:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:17,299 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:17,299 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:17,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-16 22:49:17,299 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:17,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:17,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1651516985, now seen corresponding path program 29 times [2021-10-16 22:49:17,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:17,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052115868] [2021-10-16 22:49:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:17,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:17,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:17,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052115868] [2021-10-16 22:49:17,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052115868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:17,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:17,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:17,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374531200] [2021-10-16 22:49:17,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:17,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:17,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:17,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:17,462 INFO L87 Difference]: Start difference. First operand 11003 states and 21838 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:19,267 INFO L93 Difference]: Finished difference Result 11744 states and 23235 transitions. [2021-10-16 22:49:19,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:19,267 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:19,279 INFO L225 Difference]: With dead ends: 11744 [2021-10-16 22:49:19,279 INFO L226 Difference]: Without dead ends: 11744 [2021-10-16 22:49:19,280 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 359.9ms TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:19,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11744 states. [2021-10-16 22:49:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11744 to 11015. [2021-10-16 22:49:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11015 states, 10986 states have (on average 1.9900782814491171) internal successors, (21863), 11014 states have internal predecessors, (21863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11015 states to 11015 states and 21863 transitions. [2021-10-16 22:49:19,394 INFO L78 Accepts]: Start accepts. Automaton has 11015 states and 21863 transitions. Word has length 95 [2021-10-16 22:49:19,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:19,394 INFO L470 AbstractCegarLoop]: Abstraction has 11015 states and 21863 transitions. [2021-10-16 22:49:19,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 11015 states and 21863 transitions. [2021-10-16 22:49:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:19,395 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:19,395 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:19,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-16 22:49:19,395 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:19,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1222287179, now seen corresponding path program 30 times [2021-10-16 22:49:19,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:19,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269940839] [2021-10-16 22:49:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:19,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:19,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:19,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269940839] [2021-10-16 22:49:19,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269940839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:19,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:19,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:19,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405474892] [2021-10-16 22:49:19,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:19,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:19,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:19,555 INFO L87 Difference]: Start difference. First operand 11015 states and 21863 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:20,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:20,841 INFO L93 Difference]: Finished difference Result 11672 states and 23093 transitions. [2021-10-16 22:49:20,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:20,841 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:20,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:20,856 INFO L225 Difference]: With dead ends: 11672 [2021-10-16 22:49:20,856 INFO L226 Difference]: Without dead ends: 11672 [2021-10-16 22:49:20,856 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 309.0ms TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:20,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11672 states. [2021-10-16 22:49:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11672 to 11021. [2021-10-16 22:49:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 10992 states have (on average 1.9900836972343523) internal successors, (21875), 11020 states have internal predecessors, (21875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 21875 transitions. [2021-10-16 22:49:20,980 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 21875 transitions. Word has length 95 [2021-10-16 22:49:20,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:20,980 INFO L470 AbstractCegarLoop]: Abstraction has 11021 states and 21875 transitions. [2021-10-16 22:49:20,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 21875 transitions. [2021-10-16 22:49:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:20,982 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:20,982 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:20,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-16 22:49:20,982 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:20,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:20,982 INFO L82 PathProgramCache]: Analyzing trace with hash 2143005053, now seen corresponding path program 31 times [2021-10-16 22:49:20,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:20,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205690158] [2021-10-16 22:49:20,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:20,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:21,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:21,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205690158] [2021-10-16 22:49:21,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205690158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:21,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:21,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:21,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619104716] [2021-10-16 22:49:21,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:21,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:21,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:21,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:21,144 INFO L87 Difference]: Start difference. First operand 11021 states and 21875 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:22,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:22,762 INFO L93 Difference]: Finished difference Result 11748 states and 23245 transitions. [2021-10-16 22:49:22,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:49:22,763 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:22,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:22,776 INFO L225 Difference]: With dead ends: 11748 [2021-10-16 22:49:22,776 INFO L226 Difference]: Without dead ends: 11748 [2021-10-16 22:49:22,777 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 372.8ms TimeCoverageRelationStatistics Valid=253, Invalid=1007, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:49:22,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11748 states. [2021-10-16 22:49:22,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11748 to 11019. [2021-10-16 22:49:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11019 states, 10990 states have (on average 1.9900818926296633) internal successors, (21871), 11018 states have internal predecessors, (21871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11019 states to 11019 states and 21871 transitions. [2021-10-16 22:49:22,922 INFO L78 Accepts]: Start accepts. Automaton has 11019 states and 21871 transitions. Word has length 95 [2021-10-16 22:49:22,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:22,922 INFO L470 AbstractCegarLoop]: Abstraction has 11019 states and 21871 transitions. [2021-10-16 22:49:22,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11019 states and 21871 transitions. [2021-10-16 22:49:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:22,924 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:22,924 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:22,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-16 22:49:22,924 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1010170043, now seen corresponding path program 32 times [2021-10-16 22:49:22,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:22,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105273276] [2021-10-16 22:49:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:22,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:23,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:23,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105273276] [2021-10-16 22:49:23,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105273276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:23,077 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:23,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:23,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735359348] [2021-10-16 22:49:23,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:23,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:23,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:23,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:23,077 INFO L87 Difference]: Start difference. First operand 11019 states and 21871 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:24,531 INFO L93 Difference]: Finished difference Result 11750 states and 23249 transitions. [2021-10-16 22:49:24,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:24,532 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:24,545 INFO L225 Difference]: With dead ends: 11750 [2021-10-16 22:49:24,545 INFO L226 Difference]: Without dead ends: 11750 [2021-10-16 22:49:24,545 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 356.6ms TimeCoverageRelationStatistics Valid=228, Invalid=962, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:24,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2021-10-16 22:49:24,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11021. [2021-10-16 22:49:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 10992 states have (on average 1.9900836972343523) internal successors, (21875), 11020 states have internal predecessors, (21875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 21875 transitions. [2021-10-16 22:49:24,663 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 21875 transitions. Word has length 95 [2021-10-16 22:49:24,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:24,664 INFO L470 AbstractCegarLoop]: Abstraction has 11021 states and 21875 transitions. [2021-10-16 22:49:24,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 21875 transitions. [2021-10-16 22:49:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:24,665 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:24,665 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:24,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-16 22:49:24,665 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:24,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:24,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1589974261, now seen corresponding path program 33 times [2021-10-16 22:49:24,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:24,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964563932] [2021-10-16 22:49:24,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:24,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:24,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:24,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964563932] [2021-10-16 22:49:24,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964563932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:24,806 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:24,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:24,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223484485] [2021-10-16 22:49:24,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:24,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:24,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:24,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:24,807 INFO L87 Difference]: Start difference. First operand 11021 states and 21875 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:26,277 INFO L93 Difference]: Finished difference Result 11820 states and 23389 transitions. [2021-10-16 22:49:26,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:26,277 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:26,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:26,292 INFO L225 Difference]: With dead ends: 11820 [2021-10-16 22:49:26,292 INFO L226 Difference]: Without dead ends: 11820 [2021-10-16 22:49:26,292 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 334.1ms TimeCoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11820 states. [2021-10-16 22:49:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11820 to 11017. [2021-10-16 22:49:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11017 states, 10988 states have (on average 1.9900800873680378) internal successors, (21867), 11016 states have internal predecessors, (21867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11017 states to 11017 states and 21867 transitions. [2021-10-16 22:49:26,413 INFO L78 Accepts]: Start accepts. Automaton has 11017 states and 21867 transitions. Word has length 95 [2021-10-16 22:49:26,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:26,413 INFO L470 AbstractCegarLoop]: Abstraction has 11017 states and 21867 transitions. [2021-10-16 22:49:26,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 11017 states and 21867 transitions. [2021-10-16 22:49:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:26,414 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:26,414 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:26,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-16 22:49:26,415 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:26,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:26,415 INFO L82 PathProgramCache]: Analyzing trace with hash -2106407013, now seen corresponding path program 34 times [2021-10-16 22:49:26,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:26,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762413078] [2021-10-16 22:49:26,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:26,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:26,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:26,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762413078] [2021-10-16 22:49:26,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762413078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:26,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:26,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:26,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609154380] [2021-10-16 22:49:26,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:26,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:26,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:26,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:26,587 INFO L87 Difference]: Start difference. First operand 11017 states and 21867 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:28,078 INFO L93 Difference]: Finished difference Result 11708 states and 23165 transitions. [2021-10-16 22:49:28,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:28,078 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:28,092 INFO L225 Difference]: With dead ends: 11708 [2021-10-16 22:49:28,092 INFO L226 Difference]: Without dead ends: 11708 [2021-10-16 22:49:28,092 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 335.2ms TimeCoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:28,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11708 states. [2021-10-16 22:49:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11708 to 11021. [2021-10-16 22:49:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 10992 states have (on average 1.9900836972343523) internal successors, (21875), 11020 states have internal predecessors, (21875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:28,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 21875 transitions. [2021-10-16 22:49:28,210 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 21875 transitions. Word has length 95 [2021-10-16 22:49:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:28,210 INFO L470 AbstractCegarLoop]: Abstraction has 11021 states and 21875 transitions. [2021-10-16 22:49:28,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 21875 transitions. [2021-10-16 22:49:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:28,211 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:28,212 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:28,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-16 22:49:28,212 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:28,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:28,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1526602795, now seen corresponding path program 35 times [2021-10-16 22:49:28,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:28,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065104010] [2021-10-16 22:49:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:28,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:28,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:28,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065104010] [2021-10-16 22:49:28,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065104010] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:28,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:28,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:28,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945922513] [2021-10-16 22:49:28,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:28,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:28,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:28,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:28,356 INFO L87 Difference]: Start difference. First operand 11021 states and 21875 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:29,791 INFO L93 Difference]: Finished difference Result 11806 states and 23361 transitions. [2021-10-16 22:49:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:29,792 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:29,805 INFO L225 Difference]: With dead ends: 11806 [2021-10-16 22:49:29,805 INFO L226 Difference]: Without dead ends: 11806 [2021-10-16 22:49:29,805 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 324.0ms TimeCoverageRelationStatistics Valid=206, Invalid=916, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:29,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11806 states. [2021-10-16 22:49:29,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11806 to 11019. [2021-10-16 22:49:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11019 states, 10990 states have (on average 1.9900818926296633) internal successors, (21871), 11018 states have internal predecessors, (21871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11019 states to 11019 states and 21871 transitions. [2021-10-16 22:49:29,922 INFO L78 Accepts]: Start accepts. Automaton has 11019 states and 21871 transitions. Word has length 95 [2021-10-16 22:49:29,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:29,922 INFO L470 AbstractCegarLoop]: Abstraction has 11019 states and 21871 transitions. [2021-10-16 22:49:29,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 11019 states and 21871 transitions. [2021-10-16 22:49:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:29,924 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:29,924 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:29,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-16 22:49:29,924 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:29,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:29,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1726342461, now seen corresponding path program 36 times [2021-10-16 22:49:29,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:29,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407115826] [2021-10-16 22:49:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:29,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:30,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:30,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407115826] [2021-10-16 22:49:30,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407115826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:30,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:30,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:30,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885402666] [2021-10-16 22:49:30,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:30,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:30,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:30,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:30,072 INFO L87 Difference]: Start difference. First operand 11019 states and 21871 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:31,327 INFO L93 Difference]: Finished difference Result 11820 states and 23387 transitions. [2021-10-16 22:49:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:49:31,327 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:31,340 INFO L225 Difference]: With dead ends: 11820 [2021-10-16 22:49:31,340 INFO L226 Difference]: Without dead ends: 11820 [2021-10-16 22:49:31,340 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 315.3ms TimeCoverageRelationStatistics Valid=206, Invalid=916, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:49:31,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11820 states. [2021-10-16 22:49:31,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11820 to 11031. [2021-10-16 22:49:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11031 states, 11002 states have (on average 1.990183602981276) internal successors, (21896), 11030 states have internal predecessors, (21896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11031 states to 11031 states and 21896 transitions. [2021-10-16 22:49:31,457 INFO L78 Accepts]: Start accepts. Automaton has 11031 states and 21896 transitions. Word has length 95 [2021-10-16 22:49:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:31,458 INFO L470 AbstractCegarLoop]: Abstraction has 11031 states and 21896 transitions. [2021-10-16 22:49:31,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 11031 states and 21896 transitions. [2021-10-16 22:49:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:31,459 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:31,459 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:31,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-16 22:49:31,459 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:31,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:31,459 INFO L82 PathProgramCache]: Analyzing trace with hash 267538021, now seen corresponding path program 37 times [2021-10-16 22:49:31,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:31,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600852661] [2021-10-16 22:49:31,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:31,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:31,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:31,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600852661] [2021-10-16 22:49:31,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600852661] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:31,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:31,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:31,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2386646] [2021-10-16 22:49:31,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:31,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:31,609 INFO L87 Difference]: Start difference. First operand 11031 states and 21896 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:33,398 INFO L93 Difference]: Finished difference Result 17735 states and 35136 transitions. [2021-10-16 22:49:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:33,399 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:33,421 INFO L225 Difference]: With dead ends: 17735 [2021-10-16 22:49:33,421 INFO L226 Difference]: Without dead ends: 17735 [2021-10-16 22:49:33,421 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 277.1ms TimeCoverageRelationStatistics Valid=257, Invalid=933, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:33,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17735 states. [2021-10-16 22:49:33,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17735 to 11045. [2021-10-16 22:49:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11045 states, 11016 states have (on average 1.9901960784313726) internal successors, (21924), 11044 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11045 states to 11045 states and 21924 transitions. [2021-10-16 22:49:33,568 INFO L78 Accepts]: Start accepts. Automaton has 11045 states and 21924 transitions. Word has length 95 [2021-10-16 22:49:33,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:33,568 INFO L470 AbstractCegarLoop]: Abstraction has 11045 states and 21924 transitions. [2021-10-16 22:49:33,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 11045 states and 21924 transitions. [2021-10-16 22:49:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:33,570 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:33,570 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:33,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-16 22:49:33,570 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:33,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:33,570 INFO L82 PathProgramCache]: Analyzing trace with hash -662137043, now seen corresponding path program 38 times [2021-10-16 22:49:33,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:33,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491522323] [2021-10-16 22:49:33,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:33,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:33,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:33,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491522323] [2021-10-16 22:49:33,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491522323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:33,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:33,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:33,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956739713] [2021-10-16 22:49:33,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:33,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:33,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:33,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:33,720 INFO L87 Difference]: Start difference. First operand 11045 states and 21924 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:36,089 INFO L93 Difference]: Finished difference Result 17811 states and 35288 transitions. [2021-10-16 22:49:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-16 22:49:36,090 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:36,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:36,112 INFO L225 Difference]: With dead ends: 17811 [2021-10-16 22:49:36,112 INFO L226 Difference]: Without dead ends: 17811 [2021-10-16 22:49:36,112 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 344.0ms TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:49:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17811 states. [2021-10-16 22:49:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17811 to 11043. [2021-10-16 22:49:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11043 states, 11014 states have (on average 1.9901942981659706) internal successors, (21920), 11042 states have internal predecessors, (21920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11043 states to 11043 states and 21920 transitions. [2021-10-16 22:49:36,262 INFO L78 Accepts]: Start accepts. Automaton has 11043 states and 21920 transitions. Word has length 95 [2021-10-16 22:49:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:36,262 INFO L470 AbstractCegarLoop]: Abstraction has 11043 states and 21920 transitions. [2021-10-16 22:49:36,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 11043 states and 21920 transitions. [2021-10-16 22:49:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:36,264 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:36,264 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:36,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-10-16 22:49:36,264 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:36,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:36,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1794972053, now seen corresponding path program 39 times [2021-10-16 22:49:36,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:36,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839560198] [2021-10-16 22:49:36,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:36,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:36,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:36,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839560198] [2021-10-16 22:49:36,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839560198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:36,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:36,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:36,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753891908] [2021-10-16 22:49:36,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:36,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:36,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:36,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:36,409 INFO L87 Difference]: Start difference. First operand 11043 states and 21920 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:38,445 INFO L93 Difference]: Finished difference Result 17808 states and 35282 transitions. [2021-10-16 22:49:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:49:38,445 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:38,467 INFO L225 Difference]: With dead ends: 17808 [2021-10-16 22:49:38,468 INFO L226 Difference]: Without dead ends: 17808 [2021-10-16 22:49:38,468 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 340.5ms TimeCoverageRelationStatistics Valid=251, Invalid=1009, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:49:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17808 states. [2021-10-16 22:49:38,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17808 to 11045. [2021-10-16 22:49:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11045 states, 11016 states have (on average 1.9901960784313726) internal successors, (21924), 11044 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11045 states to 11045 states and 21924 transitions. [2021-10-16 22:49:38,618 INFO L78 Accepts]: Start accepts. Automaton has 11045 states and 21924 transitions. Word has length 95 [2021-10-16 22:49:38,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:38,618 INFO L470 AbstractCegarLoop]: Abstraction has 11045 states and 21924 transitions. [2021-10-16 22:49:38,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 11045 states and 21924 transitions. [2021-10-16 22:49:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:38,620 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:38,620 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:38,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-10-16 22:49:38,620 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:38,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1215167835, now seen corresponding path program 40 times [2021-10-16 22:49:38,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:38,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505933716] [2021-10-16 22:49:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:38,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:38,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:38,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505933716] [2021-10-16 22:49:38,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505933716] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:38,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:38,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:38,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027174111] [2021-10-16 22:49:38,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:38,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:38,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:38,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:38,764 INFO L87 Difference]: Start difference. First operand 11045 states and 21924 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:40,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:40,892 INFO L93 Difference]: Finished difference Result 17878 states and 35422 transitions. [2021-10-16 22:49:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:49:40,892 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:40,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:40,917 INFO L225 Difference]: With dead ends: 17878 [2021-10-16 22:49:40,917 INFO L226 Difference]: Without dead ends: 17878 [2021-10-16 22:49:40,917 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 345.2ms TimeCoverageRelationStatistics Valid=250, Invalid=1010, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:49:40,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17878 states. [2021-10-16 22:49:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17878 to 11041. [2021-10-16 22:49:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11041 states, 11012 states have (on average 1.9901925172539048) internal successors, (21916), 11040 states have internal predecessors, (21916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11041 states to 11041 states and 21916 transitions. [2021-10-16 22:49:41,074 INFO L78 Accepts]: Start accepts. Automaton has 11041 states and 21916 transitions. Word has length 95 [2021-10-16 22:49:41,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:41,074 INFO L470 AbstractCegarLoop]: Abstraction has 11041 states and 21916 transitions. [2021-10-16 22:49:41,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11041 states and 21916 transitions. [2021-10-16 22:49:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:41,076 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:41,076 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:41,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-10-16 22:49:41,076 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash -616581813, now seen corresponding path program 41 times [2021-10-16 22:49:41,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:41,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792058530] [2021-10-16 22:49:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:41,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:41,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:41,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792058530] [2021-10-16 22:49:41,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792058530] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:41,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:41,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:41,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754941954] [2021-10-16 22:49:41,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:41,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:41,227 INFO L87 Difference]: Start difference. First operand 11041 states and 21916 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:43,124 INFO L93 Difference]: Finished difference Result 17820 states and 35306 transitions. [2021-10-16 22:49:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:43,124 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:43,149 INFO L225 Difference]: With dead ends: 17820 [2021-10-16 22:49:43,149 INFO L226 Difference]: Without dead ends: 17820 [2021-10-16 22:49:43,149 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 338.3ms TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17820 states. [2021-10-16 22:49:43,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17820 to 11045. [2021-10-16 22:49:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11045 states, 11016 states have (on average 1.9901960784313726) internal successors, (21924), 11044 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11045 states to 11045 states and 21924 transitions. [2021-10-16 22:49:43,369 INFO L78 Accepts]: Start accepts. Automaton has 11045 states and 21924 transitions. Word has length 95 [2021-10-16 22:49:43,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:43,369 INFO L470 AbstractCegarLoop]: Abstraction has 11045 states and 21924 transitions. [2021-10-16 22:49:43,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 11045 states and 21924 transitions. [2021-10-16 22:49:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:43,371 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:43,371 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:43,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-10-16 22:49:43,371 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:43,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:43,371 INFO L82 PathProgramCache]: Analyzing trace with hash -36777595, now seen corresponding path program 42 times [2021-10-16 22:49:43,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:43,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256755893] [2021-10-16 22:49:43,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:43,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:43,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:43,507 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256755893] [2021-10-16 22:49:43,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256755893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:43,507 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:43,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:43,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388681284] [2021-10-16 22:49:43,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:43,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:43,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:43,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:43,508 INFO L87 Difference]: Start difference. First operand 11045 states and 21924 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:45,462 INFO L93 Difference]: Finished difference Result 17918 states and 35502 transitions. [2021-10-16 22:49:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:45,462 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:45,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:45,485 INFO L225 Difference]: With dead ends: 17918 [2021-10-16 22:49:45,486 INFO L226 Difference]: Without dead ends: 17918 [2021-10-16 22:49:45,486 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 315.6ms TimeCoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:45,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17918 states. [2021-10-16 22:49:45,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17918 to 11043. [2021-10-16 22:49:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11043 states, 11014 states have (on average 1.9901942981659706) internal successors, (21920), 11042 states have internal predecessors, (21920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11043 states to 11043 states and 21920 transitions. [2021-10-16 22:49:45,636 INFO L78 Accepts]: Start accepts. Automaton has 11043 states and 21920 transitions. Word has length 95 [2021-10-16 22:49:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:45,636 INFO L470 AbstractCegarLoop]: Abstraction has 11043 states and 21920 transitions. [2021-10-16 22:49:45,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 11043 states and 21920 transitions. [2021-10-16 22:49:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:45,638 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:45,638 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:45,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-10-16 22:49:45,638 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1078799635, now seen corresponding path program 43 times [2021-10-16 22:49:45,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:45,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665234298] [2021-10-16 22:49:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:45,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:45,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:45,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665234298] [2021-10-16 22:49:45,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665234298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:45,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:45,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:45,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881430229] [2021-10-16 22:49:45,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:45,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:45,775 INFO L87 Difference]: Start difference. First operand 11043 states and 21920 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:47,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:47,638 INFO L93 Difference]: Finished difference Result 17952 states and 35570 transitions. [2021-10-16 22:49:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:49:47,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:47,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:47,661 INFO L225 Difference]: With dead ends: 17952 [2021-10-16 22:49:47,662 INFO L226 Difference]: Without dead ends: 17952 [2021-10-16 22:49:47,662 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 302.8ms TimeCoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:49:47,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17952 states. [2021-10-16 22:49:47,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17952 to 11039. [2021-10-16 22:49:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11039 states, 11010 states have (on average 1.990190735694823) internal successors, (21912), 11038 states have internal predecessors, (21912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11039 states to 11039 states and 21912 transitions. [2021-10-16 22:49:47,824 INFO L78 Accepts]: Start accepts. Automaton has 11039 states and 21912 transitions. Word has length 95 [2021-10-16 22:49:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:47,824 INFO L470 AbstractCegarLoop]: Abstraction has 11039 states and 21912 transitions. [2021-10-16 22:49:47,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 11039 states and 21912 transitions. [2021-10-16 22:49:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:47,826 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:47,826 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:47,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-10-16 22:49:47,826 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1456887757, now seen corresponding path program 44 times [2021-10-16 22:49:47,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:47,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030747392] [2021-10-16 22:49:47,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:47,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:47,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:47,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030747392] [2021-10-16 22:49:47,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030747392] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:47,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:47,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:47,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950149734] [2021-10-16 22:49:47,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:47,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:47,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:47,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:47,962 INFO L87 Difference]: Start difference. First operand 11039 states and 21912 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:50,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:50,403 INFO L93 Difference]: Finished difference Result 20728 states and 41084 transitions. [2021-10-16 22:49:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:49:50,404 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:50,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:50,430 INFO L225 Difference]: With dead ends: 20728 [2021-10-16 22:49:50,430 INFO L226 Difference]: Without dead ends: 20728 [2021-10-16 22:49:50,431 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 340.5ms TimeCoverageRelationStatistics Valid=287, Invalid=1273, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:49:50,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20728 states. [2021-10-16 22:49:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20728 to 11051. [2021-10-16 22:49:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11051 states, 11022 states have (on average 1.990201415351116) internal successors, (21936), 11050 states have internal predecessors, (21936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 21936 transitions. [2021-10-16 22:49:50,593 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 21936 transitions. Word has length 95 [2021-10-16 22:49:50,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:50,593 INFO L470 AbstractCegarLoop]: Abstraction has 11051 states and 21936 transitions. [2021-10-16 22:49:50,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:50,593 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 21936 transitions. [2021-10-16 22:49:50,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:50,595 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:50,595 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:50,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-10-16 22:49:50,595 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:50,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:50,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2036691975, now seen corresponding path program 45 times [2021-10-16 22:49:50,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:50,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261401501] [2021-10-16 22:49:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:50,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:50,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:50,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261401501] [2021-10-16 22:49:50,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261401501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:50,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:50,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:50,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669499661] [2021-10-16 22:49:50,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:50,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:50,735 INFO L87 Difference]: Start difference. First operand 11051 states and 21936 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:53,153 INFO L93 Difference]: Finished difference Result 20826 states and 41280 transitions. [2021-10-16 22:49:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:49:53,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:53,179 INFO L225 Difference]: With dead ends: 20826 [2021-10-16 22:49:53,179 INFO L226 Difference]: Without dead ends: 20826 [2021-10-16 22:49:53,179 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 338.2ms TimeCoverageRelationStatistics Valid=267, Invalid=1215, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:49:53,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20826 states. [2021-10-16 22:49:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20826 to 11049. [2021-10-16 22:49:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 11020 states have (on average 1.9901996370235935) internal successors, (21932), 11048 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 21932 transitions. [2021-10-16 22:49:53,340 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 21932 transitions. Word has length 95 [2021-10-16 22:49:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:53,340 INFO L470 AbstractCegarLoop]: Abstraction has 11049 states and 21932 transitions. [2021-10-16 22:49:53,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 21932 transitions. [2021-10-16 22:49:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:53,342 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:53,342 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:53,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-10-16 22:49:53,342 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:53,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:53,342 INFO L82 PathProgramCache]: Analyzing trace with hash 994669935, now seen corresponding path program 46 times [2021-10-16 22:49:53,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:53,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781022208] [2021-10-16 22:49:53,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:53,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:53,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:53,486 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781022208] [2021-10-16 22:49:53,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781022208] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:53,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:53,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:53,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523934449] [2021-10-16 22:49:53,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:53,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:53,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:53,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:53,487 INFO L87 Difference]: Start difference. First operand 11049 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:55,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:55,773 INFO L93 Difference]: Finished difference Result 20898 states and 41424 transitions. [2021-10-16 22:49:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:49:55,774 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:55,801 INFO L225 Difference]: With dead ends: 20898 [2021-10-16 22:49:55,802 INFO L226 Difference]: Without dead ends: 20898 [2021-10-16 22:49:55,802 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 329.1ms TimeCoverageRelationStatistics Valid=250, Invalid=1156, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:49:55,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20898 states. [2021-10-16 22:49:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20898 to 11047. [2021-10-16 22:49:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11047 states, 11018 states have (on average 1.990197858050463) internal successors, (21928), 11046 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11047 states to 11047 states and 21928 transitions. [2021-10-16 22:49:56,009 INFO L78 Accepts]: Start accepts. Automaton has 11047 states and 21928 transitions. Word has length 95 [2021-10-16 22:49:56,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:56,009 INFO L470 AbstractCegarLoop]: Abstraction has 11047 states and 21928 transitions. [2021-10-16 22:49:56,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 11047 states and 21928 transitions. [2021-10-16 22:49:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:56,010 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:56,011 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:56,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-10-16 22:49:56,011 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:56,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1967707877, now seen corresponding path program 47 times [2021-10-16 22:49:56,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:56,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173483361] [2021-10-16 22:49:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:56,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:56,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:56,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173483361] [2021-10-16 22:49:56,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173483361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:56,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:56,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:56,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319333172] [2021-10-16 22:49:56,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:56,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:56,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:56,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:56,145 INFO L87 Difference]: Start difference. First operand 11047 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:58,143 INFO L93 Difference]: Finished difference Result 20560 states and 40748 transitions. [2021-10-16 22:49:58,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:49:58,144 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:49:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:58,171 INFO L225 Difference]: With dead ends: 20560 [2021-10-16 22:49:58,171 INFO L226 Difference]: Without dead ends: 20560 [2021-10-16 22:49:58,172 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 332.0ms TimeCoverageRelationStatistics Valid=342, Invalid=1550, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:49:58,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20560 states. [2021-10-16 22:49:58,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20560 to 11083. [2021-10-16 22:49:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11083 states, 11054 states have (on average 1.9903202460647729) internal successors, (22001), 11082 states have internal predecessors, (22001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11083 states to 11083 states and 22001 transitions. [2021-10-16 22:49:58,336 INFO L78 Accepts]: Start accepts. Automaton has 11083 states and 22001 transitions. Word has length 95 [2021-10-16 22:49:58,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:58,336 INFO L470 AbstractCegarLoop]: Abstraction has 11083 states and 22001 transitions. [2021-10-16 22:49:58,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11083 states and 22001 transitions. [2021-10-16 22:49:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:49:58,337 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:58,337 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:58,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-10-16 22:49:58,338 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:49:58,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:58,338 INFO L82 PathProgramCache]: Analyzing trace with hash -853024930, now seen corresponding path program 13 times [2021-10-16 22:49:58,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:58,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936608195] [2021-10-16 22:49:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:58,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:58,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:58,446 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936608195] [2021-10-16 22:49:58,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936608195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:58,446 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:58,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:49:58,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445427904] [2021-10-16 22:49:58,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:49:58,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:58,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:49:58,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:49:58,447 INFO L87 Difference]: Start difference. First operand 11083 states and 22001 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:00,996 INFO L93 Difference]: Finished difference Result 20512 states and 40642 transitions. [2021-10-16 22:50:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:50:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:01,020 INFO L225 Difference]: With dead ends: 20512 [2021-10-16 22:50:01,020 INFO L226 Difference]: Without dead ends: 20512 [2021-10-16 22:50:01,020 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 297.3ms TimeCoverageRelationStatistics Valid=291, Invalid=1431, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:50:01,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20512 states. [2021-10-16 22:50:01,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20512 to 10978. [2021-10-16 22:50:01,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10978 states, 10949 states have (on average 1.989862087861905) internal successors, (21787), 10977 states have internal predecessors, (21787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10978 states to 10978 states and 21787 transitions. [2021-10-16 22:50:01,176 INFO L78 Accepts]: Start accepts. Automaton has 10978 states and 21787 transitions. Word has length 95 [2021-10-16 22:50:01,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:01,176 INFO L470 AbstractCegarLoop]: Abstraction has 10978 states and 21787 transitions. [2021-10-16 22:50:01,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10978 states and 21787 transitions. [2021-10-16 22:50:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:01,177 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:01,177 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:01,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-10-16 22:50:01,178 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:01,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:01,178 INFO L82 PathProgramCache]: Analyzing trace with hash -967017695, now seen corresponding path program 48 times [2021-10-16 22:50:01,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:01,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912291441] [2021-10-16 22:50:01,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:01,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:01,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:01,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912291441] [2021-10-16 22:50:01,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912291441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:01,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:01,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:01,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474546775] [2021-10-16 22:50:01,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:01,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:01,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:01,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:01,330 INFO L87 Difference]: Start difference. First operand 10978 states and 21787 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:03,117 INFO L93 Difference]: Finished difference Result 23438 states and 46461 transitions. [2021-10-16 22:50:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:50:03,117 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:03,148 INFO L225 Difference]: With dead ends: 23438 [2021-10-16 22:50:03,149 INFO L226 Difference]: Without dead ends: 23438 [2021-10-16 22:50:03,149 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 308.9ms TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:50:03,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23438 states. [2021-10-16 22:50:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23438 to 11008. [2021-10-16 22:50:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 10979 states have (on average 1.989889789598324) internal successors, (21847), 11007 states have internal predecessors, (21847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 21847 transitions. [2021-10-16 22:50:03,329 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 21847 transitions. Word has length 95 [2021-10-16 22:50:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:03,330 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 21847 transitions. [2021-10-16 22:50:03,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 21847 transitions. [2021-10-16 22:50:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:03,331 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:03,331 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:03,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-10-16 22:50:03,331 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:03,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1896692759, now seen corresponding path program 49 times [2021-10-16 22:50:03,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:03,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45308719] [2021-10-16 22:50:03,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:03,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:03,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:03,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45308719] [2021-10-16 22:50:03,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45308719] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:03,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:03,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:03,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409123625] [2021-10-16 22:50:03,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:03,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:03,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:03,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:03,481 INFO L87 Difference]: Start difference. First operand 11008 states and 21847 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:06,256 INFO L93 Difference]: Finished difference Result 23514 states and 46613 transitions. [2021-10-16 22:50:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:50:06,257 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:06,288 INFO L225 Difference]: With dead ends: 23514 [2021-10-16 22:50:06,289 INFO L226 Difference]: Without dead ends: 23514 [2021-10-16 22:50:06,289 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 389.2ms TimeCoverageRelationStatistics Valid=331, Invalid=1229, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:50:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23514 states. [2021-10-16 22:50:06,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23514 to 11022. [2021-10-16 22:50:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11022 states, 10993 states have (on average 1.9899936323114709) internal successors, (21876), 11021 states have internal predecessors, (21876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 21876 transitions. [2021-10-16 22:50:06,470 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 21876 transitions. Word has length 95 [2021-10-16 22:50:06,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:06,470 INFO L470 AbstractCegarLoop]: Abstraction has 11022 states and 21876 transitions. [2021-10-16 22:50:06,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:06,470 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 21876 transitions. [2021-10-16 22:50:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:06,472 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:06,472 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:06,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-10-16 22:50:06,472 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:06,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:06,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1265439527, now seen corresponding path program 50 times [2021-10-16 22:50:06,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:06,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467786496] [2021-10-16 22:50:06,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:06,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:06,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:06,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467786496] [2021-10-16 22:50:06,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467786496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:06,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:06,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:06,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133345644] [2021-10-16 22:50:06,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:06,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:06,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:06,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:06,626 INFO L87 Difference]: Start difference. First operand 11022 states and 21876 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:09,178 INFO L93 Difference]: Finished difference Result 23565 states and 46715 transitions. [2021-10-16 22:50:09,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:50:09,178 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:09,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:09,203 INFO L225 Difference]: With dead ends: 23565 [2021-10-16 22:50:09,203 INFO L226 Difference]: Without dead ends: 23565 [2021-10-16 22:50:09,203 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 393.6ms TimeCoverageRelationStatistics Valid=303, Invalid=1179, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:50:09,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23565 states. [2021-10-16 22:50:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23565 to 11024. [2021-10-16 22:50:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11024 states, 10995 states have (on average 1.9899954524783994) internal successors, (21880), 11023 states have internal predecessors, (21880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11024 states to 11024 states and 21880 transitions. [2021-10-16 22:50:09,366 INFO L78 Accepts]: Start accepts. Automaton has 11024 states and 21880 transitions. Word has length 95 [2021-10-16 22:50:09,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:09,366 INFO L470 AbstractCegarLoop]: Abstraction has 11024 states and 21880 transitions. [2021-10-16 22:50:09,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,366 INFO L276 IsEmpty]: Start isEmpty. Operand 11024 states and 21880 transitions. [2021-10-16 22:50:09,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:09,367 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:09,367 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:09,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-10-16 22:50:09,367 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:09,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:09,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1845243745, now seen corresponding path program 51 times [2021-10-16 22:50:09,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:09,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113044313] [2021-10-16 22:50:09,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:09,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:09,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:09,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113044313] [2021-10-16 22:50:09,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113044313] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:09,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:09,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:09,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748646570] [2021-10-16 22:50:09,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:09,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:09,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:09,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:09,512 INFO L87 Difference]: Start difference. First operand 11024 states and 21880 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:11,590 INFO L93 Difference]: Finished difference Result 23581 states and 46747 transitions. [2021-10-16 22:50:11,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:50:11,590 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:11,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:11,621 INFO L225 Difference]: With dead ends: 23581 [2021-10-16 22:50:11,621 INFO L226 Difference]: Without dead ends: 23581 [2021-10-16 22:50:11,621 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 366.3ms TimeCoverageRelationStatistics Valid=302, Invalid=1180, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:50:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23581 states. [2021-10-16 22:50:11,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23581 to 11036. [2021-10-16 22:50:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11036 states, 11007 states have (on average 1.9900972108658126) internal successors, (21905), 11035 states have internal predecessors, (21905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11036 states to 11036 states and 21905 transitions. [2021-10-16 22:50:11,796 INFO L78 Accepts]: Start accepts. Automaton has 11036 states and 21905 transitions. Word has length 95 [2021-10-16 22:50:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:11,797 INFO L470 AbstractCegarLoop]: Abstraction has 11036 states and 21905 transitions. [2021-10-16 22:50:11,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11036 states and 21905 transitions. [2021-10-16 22:50:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:11,798 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:11,798 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:11,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-10-16 22:50:11,798 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:11,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:11,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1851137529, now seen corresponding path program 52 times [2021-10-16 22:50:11,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:11,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435419238] [2021-10-16 22:50:11,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:11,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:11,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:11,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435419238] [2021-10-16 22:50:11,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435419238] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:11,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:11,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:11,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013492969] [2021-10-16 22:50:11,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:11,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:11,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:11,944 INFO L87 Difference]: Start difference. First operand 11036 states and 21905 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:13,980 INFO L93 Difference]: Finished difference Result 23609 states and 46803 transitions. [2021-10-16 22:50:13,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:50:13,980 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:13,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:14,013 INFO L225 Difference]: With dead ends: 23609 [2021-10-16 22:50:14,013 INFO L226 Difference]: Without dead ends: 23609 [2021-10-16 22:50:14,014 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 364.2ms TimeCoverageRelationStatistics Valid=280, Invalid=1126, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:50:14,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23609 states. [2021-10-16 22:50:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23609 to 11040. [2021-10-16 22:50:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11040 states, 11011 states have (on average 1.9901008082826264) internal successors, (21913), 11039 states have internal predecessors, (21913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11040 states to 11040 states and 21913 transitions. [2021-10-16 22:50:14,204 INFO L78 Accepts]: Start accepts. Automaton has 11040 states and 21913 transitions. Word has length 95 [2021-10-16 22:50:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:14,204 INFO L470 AbstractCegarLoop]: Abstraction has 11040 states and 21913 transitions. [2021-10-16 22:50:14,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 11040 states and 21913 transitions. [2021-10-16 22:50:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:14,206 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:14,206 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:14,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-10-16 22:50:14,206 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:14,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:14,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1271333311, now seen corresponding path program 53 times [2021-10-16 22:50:14,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:14,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086240741] [2021-10-16 22:50:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:14,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:14,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:14,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086240741] [2021-10-16 22:50:14,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086240741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:14,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:14,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:14,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348564987] [2021-10-16 22:50:14,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:14,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:14,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:14,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:14,366 INFO L87 Difference]: Start difference. First operand 11040 states and 21913 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:16,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:16,724 INFO L93 Difference]: Finished difference Result 23707 states and 46999 transitions. [2021-10-16 22:50:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:50:16,725 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:16,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:16,757 INFO L225 Difference]: With dead ends: 23707 [2021-10-16 22:50:16,757 INFO L226 Difference]: Without dead ends: 23707 [2021-10-16 22:50:16,758 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 368.9ms TimeCoverageRelationStatistics Valid=278, Invalid=1128, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:50:16,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23707 states. [2021-10-16 22:50:16,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23707 to 11038. [2021-10-16 22:50:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11038 states, 11009 states have (on average 1.99009900990099) internal successors, (21909), 11037 states have internal predecessors, (21909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11038 states to 11038 states and 21909 transitions. [2021-10-16 22:50:16,978 INFO L78 Accepts]: Start accepts. Automaton has 11038 states and 21909 transitions. Word has length 95 [2021-10-16 22:50:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:16,978 INFO L470 AbstractCegarLoop]: Abstraction has 11038 states and 21909 transitions. [2021-10-16 22:50:16,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 11038 states and 21909 transitions. [2021-10-16 22:50:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:16,980 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:16,980 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:16,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-10-16 22:50:16,980 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:16,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:16,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1981611945, now seen corresponding path program 54 times [2021-10-16 22:50:16,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:16,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445701558] [2021-10-16 22:50:16,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:16,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:17,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:17,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445701558] [2021-10-16 22:50:17,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445701558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:17,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:17,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:17,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468072539] [2021-10-16 22:50:17,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:17,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:17,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:17,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:17,115 INFO L87 Difference]: Start difference. First operand 11038 states and 21909 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:19,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:19,324 INFO L93 Difference]: Finished difference Result 23655 states and 46895 transitions. [2021-10-16 22:50:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:50:19,324 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:19,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:19,355 INFO L225 Difference]: With dead ends: 23655 [2021-10-16 22:50:19,355 INFO L226 Difference]: Without dead ends: 23655 [2021-10-16 22:50:19,355 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 340.7ms TimeCoverageRelationStatistics Valid=278, Invalid=1128, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:50:19,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23655 states. [2021-10-16 22:50:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23655 to 11050. [2021-10-16 22:50:19,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9902005262680338) internal successors, (21934), 11049 states have internal predecessors, (21934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:19,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21934 transitions. [2021-10-16 22:50:19,531 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21934 transitions. Word has length 95 [2021-10-16 22:50:19,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:19,531 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21934 transitions. [2021-10-16 22:50:19,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21934 transitions. [2021-10-16 22:50:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:19,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:19,532 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:19,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-10-16 22:50:19,533 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:19,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:19,533 INFO L82 PathProgramCache]: Analyzing trace with hash 222332041, now seen corresponding path program 55 times [2021-10-16 22:50:19,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:19,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83642154] [2021-10-16 22:50:19,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:19,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:19,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:19,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83642154] [2021-10-16 22:50:19,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83642154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:19,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:19,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:19,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436622301] [2021-10-16 22:50:19,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:19,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:19,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:19,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:19,669 INFO L87 Difference]: Start difference. First operand 11050 states and 21934 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:22,346 INFO L93 Difference]: Finished difference Result 32423 states and 64314 transitions. [2021-10-16 22:50:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:50:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:22,390 INFO L225 Difference]: With dead ends: 32423 [2021-10-16 22:50:22,390 INFO L226 Difference]: Without dead ends: 32423 [2021-10-16 22:50:22,391 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 379.8ms TimeCoverageRelationStatistics Valid=337, Invalid=1469, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:50:22,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32423 states. [2021-10-16 22:50:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32423 to 11062. [2021-10-16 22:50:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11033 states have (on average 1.9902111846279344) internal successors, (21958), 11061 states have internal predecessors, (21958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 21958 transitions. [2021-10-16 22:50:22,614 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 21958 transitions. Word has length 95 [2021-10-16 22:50:22,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:22,614 INFO L470 AbstractCegarLoop]: Abstraction has 11062 states and 21958 transitions. [2021-10-16 22:50:22,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 21958 transitions. [2021-10-16 22:50:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:22,616 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:22,616 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:22,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-10-16 22:50:22,616 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:22,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:22,616 INFO L82 PathProgramCache]: Analyzing trace with hash 802136259, now seen corresponding path program 56 times [2021-10-16 22:50:22,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:22,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826878705] [2021-10-16 22:50:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:22,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:22,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:22,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826878705] [2021-10-16 22:50:22,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826878705] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:22,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:22,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:22,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748680071] [2021-10-16 22:50:22,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:22,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:22,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:22,756 INFO L87 Difference]: Start difference. First operand 11062 states and 21958 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:25,124 INFO L93 Difference]: Finished difference Result 32521 states and 64510 transitions. [2021-10-16 22:50:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:50:25,125 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:25,172 INFO L225 Difference]: With dead ends: 32521 [2021-10-16 22:50:25,172 INFO L226 Difference]: Without dead ends: 32521 [2021-10-16 22:50:25,173 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 375.8ms TimeCoverageRelationStatistics Valid=317, Invalid=1405, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:50:25,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32521 states. [2021-10-16 22:50:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32521 to 11060. [2021-10-16 22:50:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9902094098449823) internal successors, (21954), 11059 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21954 transitions. [2021-10-16 22:50:25,417 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21954 transitions. Word has length 95 [2021-10-16 22:50:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:25,417 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21954 transitions. [2021-10-16 22:50:25,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21954 transitions. [2021-10-16 22:50:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:25,418 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:25,419 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:25,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-10-16 22:50:25,419 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:25,419 INFO L82 PathProgramCache]: Analyzing trace with hash -239885781, now seen corresponding path program 57 times [2021-10-16 22:50:25,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:25,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176588926] [2021-10-16 22:50:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:25,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:25,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:25,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176588926] [2021-10-16 22:50:25,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176588926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:25,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:25,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:25,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416657854] [2021-10-16 22:50:25,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:25,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:25,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:25,546 INFO L87 Difference]: Start difference. First operand 11060 states and 21954 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:27,537 INFO L93 Difference]: Finished difference Result 32593 states and 64654 transitions. [2021-10-16 22:50:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:50:27,537 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:27,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:27,584 INFO L225 Difference]: With dead ends: 32593 [2021-10-16 22:50:27,584 INFO L226 Difference]: Without dead ends: 32593 [2021-10-16 22:50:27,584 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 357.5ms TimeCoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:50:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32593 states. [2021-10-16 22:50:27,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32593 to 11058. [2021-10-16 22:50:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11058 states, 11029 states have (on average 1.9902076344183517) internal successors, (21950), 11057 states have internal predecessors, (21950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11058 states to 11058 states and 21950 transitions. [2021-10-16 22:50:27,809 INFO L78 Accepts]: Start accepts. Automaton has 11058 states and 21950 transitions. Word has length 95 [2021-10-16 22:50:27,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:27,809 INFO L470 AbstractCegarLoop]: Abstraction has 11058 states and 21950 transitions. [2021-10-16 22:50:27,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 11058 states and 21950 transitions. [2021-10-16 22:50:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:27,810 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:27,810 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:27,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-16 22:50:27,811 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:27,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:27,811 INFO L82 PathProgramCache]: Analyzing trace with hash 733152161, now seen corresponding path program 58 times [2021-10-16 22:50:27,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:27,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884391335] [2021-10-16 22:50:27,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:27,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:27,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:27,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884391335] [2021-10-16 22:50:27,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884391335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:27,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:27,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:27,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304517244] [2021-10-16 22:50:27,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:27,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:27,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:27,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:27,937 INFO L87 Difference]: Start difference. First operand 11058 states and 21950 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:30,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:30,691 INFO L93 Difference]: Finished difference Result 32255 states and 63978 transitions. [2021-10-16 22:50:30,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:50:30,692 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:30,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:30,736 INFO L225 Difference]: With dead ends: 32255 [2021-10-16 22:50:30,736 INFO L226 Difference]: Without dead ends: 32255 [2021-10-16 22:50:30,737 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 395.9ms TimeCoverageRelationStatistics Valid=392, Invalid=1770, Unknown=0, NotChecked=0, Total=2162 [2021-10-16 22:50:30,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32255 states. [2021-10-16 22:50:30,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32255 to 11094. [2021-10-16 22:50:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11094 states, 11065 states have (on average 1.9903298689561681) internal successors, (22023), 11093 states have internal predecessors, (22023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 22023 transitions. [2021-10-16 22:50:30,957 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 22023 transitions. Word has length 95 [2021-10-16 22:50:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:30,957 INFO L470 AbstractCegarLoop]: Abstraction has 11094 states and 22023 transitions. [2021-10-16 22:50:30,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 22023 transitions. [2021-10-16 22:50:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:30,959 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:30,959 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:30,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-16 22:50:30,959 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:30,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2087580646, now seen corresponding path program 14 times [2021-10-16 22:50:30,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:30,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019819838] [2021-10-16 22:50:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:30,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:31,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:31,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019819838] [2021-10-16 22:50:31,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019819838] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:31,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:31,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:31,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268460825] [2021-10-16 22:50:31,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:31,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:31,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:31,077 INFO L87 Difference]: Start difference. First operand 11094 states and 22023 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:34,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:34,402 INFO L93 Difference]: Finished difference Result 32490 states and 64428 transitions. [2021-10-16 22:50:34,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:50:34,402 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:34,446 INFO L225 Difference]: With dead ends: 32490 [2021-10-16 22:50:34,446 INFO L226 Difference]: Without dead ends: 32490 [2021-10-16 22:50:34,446 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 404.3ms TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:50:34,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32490 states. [2021-10-16 22:50:34,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32490 to 10982. [2021-10-16 22:50:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10982 states, 10953 states have (on average 1.9898657901944672) internal successors, (21795), 10981 states have internal predecessors, (21795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10982 states to 10982 states and 21795 transitions. [2021-10-16 22:50:34,666 INFO L78 Accepts]: Start accepts. Automaton has 10982 states and 21795 transitions. Word has length 95 [2021-10-16 22:50:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:34,666 INFO L470 AbstractCegarLoop]: Abstraction has 10982 states and 21795 transitions. [2021-10-16 22:50:34,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 10982 states and 21795 transitions. [2021-10-16 22:50:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:34,667 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:34,667 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:34,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-10-16 22:50:34,667 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:34,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:34,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1017890391, now seen corresponding path program 59 times [2021-10-16 22:50:34,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:34,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432271678] [2021-10-16 22:50:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:34,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:34,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:34,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432271678] [2021-10-16 22:50:34,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432271678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:34,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:34,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:34,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345371965] [2021-10-16 22:50:34,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:34,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:34,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:34,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:34,802 INFO L87 Difference]: Start difference. First operand 10982 states and 21795 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:37,340 INFO L93 Difference]: Finished difference Result 29329 states and 58169 transitions. [2021-10-16 22:50:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:50:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:37,429 INFO L225 Difference]: With dead ends: 29329 [2021-10-16 22:50:37,429 INFO L226 Difference]: Without dead ends: 29329 [2021-10-16 22:50:37,431 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 433.9ms TimeCoverageRelationStatistics Valid=418, Invalid=1838, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:50:37,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29329 states. [2021-10-16 22:50:37,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29329 to 11022. [2021-10-16 22:50:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11022 states, 10993 states have (on average 1.9899936323114709) internal successors, (21876), 11021 states have internal predecessors, (21876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 21876 transitions. [2021-10-16 22:50:37,600 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 21876 transitions. Word has length 95 [2021-10-16 22:50:37,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:37,600 INFO L470 AbstractCegarLoop]: Abstraction has 11022 states and 21876 transitions. [2021-10-16 22:50:37,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 21876 transitions. [2021-10-16 22:50:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:37,601 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:37,601 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:37,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-10-16 22:50:37,601 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:37,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:37,602 INFO L82 PathProgramCache]: Analyzing trace with hash -438086173, now seen corresponding path program 60 times [2021-10-16 22:50:37,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:37,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537166140] [2021-10-16 22:50:37,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:37,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:37,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:37,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537166140] [2021-10-16 22:50:37,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537166140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:37,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:37,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:37,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138511235] [2021-10-16 22:50:37,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:37,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:37,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:37,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:37,731 INFO L87 Difference]: Start difference. First operand 11022 states and 21876 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:40,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:40,418 INFO L93 Difference]: Finished difference Result 29427 states and 58365 transitions. [2021-10-16 22:50:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:50:40,418 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:40,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:40,460 INFO L225 Difference]: With dead ends: 29427 [2021-10-16 22:50:40,460 INFO L226 Difference]: Without dead ends: 29427 [2021-10-16 22:50:40,461 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 398.5ms TimeCoverageRelationStatistics Valid=376, Invalid=1694, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 22:50:40,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29427 states. [2021-10-16 22:50:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29427 to 11034. [2021-10-16 22:50:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11034 states, 11005 states have (on average 1.990095411176738) internal successors, (21901), 11033 states have internal predecessors, (21901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11034 states to 11034 states and 21901 transitions. [2021-10-16 22:50:40,672 INFO L78 Accepts]: Start accepts. Automaton has 11034 states and 21901 transitions. Word has length 95 [2021-10-16 22:50:40,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:40,672 INFO L470 AbstractCegarLoop]: Abstraction has 11034 states and 21901 transitions. [2021-10-16 22:50:40,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:40,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11034 states and 21901 transitions. [2021-10-16 22:50:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:40,674 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:40,674 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:40,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-10-16 22:50:40,674 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:40,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:40,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1480108213, now seen corresponding path program 61 times [2021-10-16 22:50:40,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:40,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876670450] [2021-10-16 22:50:40,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:40,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:40,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:40,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:40,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876670450] [2021-10-16 22:50:40,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876670450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:40,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:40,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:40,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430936394] [2021-10-16 22:50:40,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:40,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:40,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:40,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:40,833 INFO L87 Difference]: Start difference. First operand 11034 states and 21901 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:42,980 INFO L93 Difference]: Finished difference Result 29499 states and 58509 transitions. [2021-10-16 22:50:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:50:42,980 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:43,024 INFO L225 Difference]: With dead ends: 29499 [2021-10-16 22:50:43,025 INFO L226 Difference]: Without dead ends: 29499 [2021-10-16 22:50:43,025 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 380.1ms TimeCoverageRelationStatistics Valid=339, Invalid=1553, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:50:43,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29499 states. [2021-10-16 22:50:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29499 to 11046. [2021-10-16 22:50:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11046 states, 11017 states have (on average 1.9901969683216847) internal successors, (21926), 11045 states have internal predecessors, (21926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11046 states to 11046 states and 21926 transitions. [2021-10-16 22:50:43,240 INFO L78 Accepts]: Start accepts. Automaton has 11046 states and 21926 transitions. Word has length 95 [2021-10-16 22:50:43,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:43,240 INFO L470 AbstractCegarLoop]: Abstraction has 11046 states and 21926 transitions. [2021-10-16 22:50:43,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 11046 states and 21926 transitions. [2021-10-16 22:50:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:43,241 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:43,241 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:43,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-10-16 22:50:43,241 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:43,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:43,241 INFO L82 PathProgramCache]: Analyzing trace with hash -507070271, now seen corresponding path program 62 times [2021-10-16 22:50:43,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:43,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673909387] [2021-10-16 22:50:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:43,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:43,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:43,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673909387] [2021-10-16 22:50:43,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673909387] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:43,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:43,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:43,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122697717] [2021-10-16 22:50:43,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:43,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:43,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:43,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:43,384 INFO L87 Difference]: Start difference. First operand 11046 states and 21926 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:46,311 INFO L93 Difference]: Finished difference Result 37959 states and 75314 transitions. [2021-10-16 22:50:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:50:46,311 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:46,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:46,363 INFO L225 Difference]: With dead ends: 37959 [2021-10-16 22:50:46,363 INFO L226 Difference]: Without dead ends: 37959 [2021-10-16 22:50:46,364 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 415.9ms TimeCoverageRelationStatistics Valid=476, Invalid=2176, Unknown=0, NotChecked=0, Total=2652 [2021-10-16 22:50:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37959 states. [2021-10-16 22:50:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37959 to 11082. [2021-10-16 22:50:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11082 states, 11053 states have (on average 1.9903193703067041) internal successors, (21999), 11081 states have internal predecessors, (21999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11082 states to 11082 states and 21999 transitions. [2021-10-16 22:50:46,621 INFO L78 Accepts]: Start accepts. Automaton has 11082 states and 21999 transitions. Word has length 95 [2021-10-16 22:50:46,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:46,621 INFO L470 AbstractCegarLoop]: Abstraction has 11082 states and 21999 transitions. [2021-10-16 22:50:46,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,621 INFO L276 IsEmpty]: Start isEmpty. Operand 11082 states and 21999 transitions. [2021-10-16 22:50:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:46,622 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:46,622 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:46,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-10-16 22:50:46,622 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:46,623 INFO L82 PathProgramCache]: Analyzing trace with hash 967164218, now seen corresponding path program 15 times [2021-10-16 22:50:46,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:46,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753008100] [2021-10-16 22:50:46,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:46,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:46,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:46,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753008100] [2021-10-16 22:50:46,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753008100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:46,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:46,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:46,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480641899] [2021-10-16 22:50:46,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:46,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:46,740 INFO L87 Difference]: Start difference. First operand 11082 states and 21999 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:49,645 INFO L93 Difference]: Finished difference Result 38118 states and 75612 transitions. [2021-10-16 22:50:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:50:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:49,700 INFO L225 Difference]: With dead ends: 38118 [2021-10-16 22:50:49,700 INFO L226 Difference]: Without dead ends: 38118 [2021-10-16 22:50:49,700 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 421.8ms TimeCoverageRelationStatistics Valid=501, Invalid=2255, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:50:49,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38118 states. [2021-10-16 22:50:49,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38118 to 10986. [2021-10-16 22:50:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10986 states, 10957 states have (on average 1.989869489823857) internal successors, (21803), 10985 states have internal predecessors, (21803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10986 states to 10986 states and 21803 transitions. [2021-10-16 22:50:49,932 INFO L78 Accepts]: Start accepts. Automaton has 10986 states and 21803 transitions. Word has length 95 [2021-10-16 22:50:49,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:49,933 INFO L470 AbstractCegarLoop]: Abstraction has 10986 states and 21803 transitions. [2021-10-16 22:50:49,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 10986 states and 21803 transitions. [2021-10-16 22:50:49,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:49,934 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:49,934 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:49,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-10-16 22:50:49,934 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:49,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:49,934 INFO L82 PathProgramCache]: Analyzing trace with hash 59224323, now seen corresponding path program 63 times [2021-10-16 22:50:49,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:49,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046568258] [2021-10-16 22:50:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:49,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:50,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:50,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046568258] [2021-10-16 22:50:50,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046568258] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:50,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:50,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:50,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628202342] [2021-10-16 22:50:50,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:50,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:50,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:50,059 INFO L87 Difference]: Start difference. First operand 10986 states and 21803 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:52,288 INFO L93 Difference]: Finished difference Result 29019 states and 57551 transitions. [2021-10-16 22:50:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:50:52,288 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:52,330 INFO L225 Difference]: With dead ends: 29019 [2021-10-16 22:50:52,330 INFO L226 Difference]: Without dead ends: 29019 [2021-10-16 22:50:52,330 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 398.0ms TimeCoverageRelationStatistics Valid=432, Invalid=1920, Unknown=0, NotChecked=0, Total=2352 [2021-10-16 22:50:52,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29019 states. [2021-10-16 22:50:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29019 to 11082. [2021-10-16 22:50:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11082 states, 11053 states have (on average 1.9903193703067041) internal successors, (21999), 11081 states have internal predecessors, (21999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11082 states to 11082 states and 21999 transitions. [2021-10-16 22:50:52,533 INFO L78 Accepts]: Start accepts. Automaton has 11082 states and 21999 transitions. Word has length 95 [2021-10-16 22:50:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:52,533 INFO L470 AbstractCegarLoop]: Abstraction has 11082 states and 21999 transitions. [2021-10-16 22:50:52,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11082 states and 21999 transitions. [2021-10-16 22:50:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:52,535 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:52,535 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:52,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-10-16 22:50:52,535 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:52,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:52,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1533458812, now seen corresponding path program 16 times [2021-10-16 22:50:52,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:52,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648198362] [2021-10-16 22:50:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:52,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:52,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:52,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648198362] [2021-10-16 22:50:52,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648198362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:52,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:52,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:52,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961682323] [2021-10-16 22:50:52,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:52,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:52,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:52,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:52,660 INFO L87 Difference]: Start difference. First operand 11082 states and 21999 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:55,674 INFO L93 Difference]: Finished difference Result 29254 states and 58006 transitions. [2021-10-16 22:50:55,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:50:55,674 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:55,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:55,716 INFO L225 Difference]: With dead ends: 29254 [2021-10-16 22:50:55,716 INFO L226 Difference]: Without dead ends: 29254 [2021-10-16 22:50:55,716 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 377.6ms TimeCoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:50:55,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29254 states. [2021-10-16 22:50:55,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29254 to 10978. [2021-10-16 22:50:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10978 states, 10949 states have (on average 1.989862087861905) internal successors, (21787), 10977 states have internal predecessors, (21787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10978 states to 10978 states and 21787 transitions. [2021-10-16 22:50:55,922 INFO L78 Accepts]: Start accepts. Automaton has 10978 states and 21787 transitions. Word has length 95 [2021-10-16 22:50:55,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:55,922 INFO L470 AbstractCegarLoop]: Abstraction has 10978 states and 21787 transitions. [2021-10-16 22:50:55,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10978 states and 21787 transitions. [2021-10-16 22:50:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:55,923 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:55,924 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:55,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-10-16 22:50:55,924 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:55,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:55,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1028524291, now seen corresponding path program 64 times [2021-10-16 22:50:55,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:55,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702780328] [2021-10-16 22:50:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:55,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:56,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:56,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702780328] [2021-10-16 22:50:56,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702780328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:56,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:56,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:56,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286108110] [2021-10-16 22:50:56,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:56,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:56,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:56,093 INFO L87 Difference]: Start difference. First operand 10978 states and 21787 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:57,386 INFO L93 Difference]: Finished difference Result 11528 states and 22810 transitions. [2021-10-16 22:50:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:50:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:57,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:57,396 INFO L225 Difference]: With dead ends: 11528 [2021-10-16 22:50:57,396 INFO L226 Difference]: Without dead ends: 11528 [2021-10-16 22:50:57,397 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 228.9ms TimeCoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:50:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11528 states. [2021-10-16 22:50:57,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11528 to 10991. [2021-10-16 22:50:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10991 states, 10962 states have (on average 1.9898741105637658) internal successors, (21813), 10990 states have internal predecessors, (21813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10991 states to 10991 states and 21813 transitions. [2021-10-16 22:50:57,502 INFO L78 Accepts]: Start accepts. Automaton has 10991 states and 21813 transitions. Word has length 95 [2021-10-16 22:50:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:57,502 INFO L470 AbstractCegarLoop]: Abstraction has 10991 states and 21813 transitions. [2021-10-16 22:50:57,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10991 states and 21813 transitions. [2021-10-16 22:50:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:57,503 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:57,503 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:57,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-10-16 22:50:57,503 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:57,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1299582099, now seen corresponding path program 65 times [2021-10-16 22:50:57,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:57,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983313264] [2021-10-16 22:50:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:57,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:57,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:57,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983313264] [2021-10-16 22:50:57,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983313264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:57,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:57,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:50:57,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089615693] [2021-10-16 22:50:57,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:50:57,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:57,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:50:57,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:50:57,679 INFO L87 Difference]: Start difference. First operand 10991 states and 21813 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:59,774 INFO L93 Difference]: Finished difference Result 11563 states and 22880 transitions. [2021-10-16 22:50:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:50:59,774 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:50:59,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:59,787 INFO L225 Difference]: With dead ends: 11563 [2021-10-16 22:50:59,787 INFO L226 Difference]: Without dead ends: 11563 [2021-10-16 22:50:59,787 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 312.1ms TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:50:59,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11563 states. [2021-10-16 22:50:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11563 to 10992. [2021-10-16 22:50:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10992 states, 10963 states have (on average 1.9898750342059655) internal successors, (21815), 10991 states have internal predecessors, (21815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10992 states to 10992 states and 21815 transitions. [2021-10-16 22:50:59,902 INFO L78 Accepts]: Start accepts. Automaton has 10992 states and 21815 transitions. Word has length 95 [2021-10-16 22:50:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:59,902 INFO L470 AbstractCegarLoop]: Abstraction has 10992 states and 21815 transitions. [2021-10-16 22:50:59,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 10992 states and 21815 transitions. [2021-10-16 22:50:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:50:59,903 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:59,903 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:59,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-10-16 22:50:59,903 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:50:59,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:59,904 INFO L82 PathProgramCache]: Analyzing trace with hash 910538749, now seen corresponding path program 66 times [2021-10-16 22:50:59,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:59,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887855432] [2021-10-16 22:50:59,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:59,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:00,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:00,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887855432] [2021-10-16 22:51:00,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887855432] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:00,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:00,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:00,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218074462] [2021-10-16 22:51:00,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:00,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:00,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:00,070 INFO L87 Difference]: Start difference. First operand 10992 states and 21815 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:02,181 INFO L93 Difference]: Finished difference Result 11579 states and 22912 transitions. [2021-10-16 22:51:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:51:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:02,193 INFO L225 Difference]: With dead ends: 11579 [2021-10-16 22:51:02,193 INFO L226 Difference]: Without dead ends: 11579 [2021-10-16 22:51:02,193 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 336.9ms TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:51:02,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11579 states. [2021-10-16 22:51:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11579 to 10994. [2021-10-16 22:51:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10994 states, 10965 states have (on average 1.989876880984952) internal successors, (21819), 10993 states have internal predecessors, (21819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10994 states to 10994 states and 21819 transitions. [2021-10-16 22:51:02,304 INFO L78 Accepts]: Start accepts. Automaton has 10994 states and 21819 transitions. Word has length 95 [2021-10-16 22:51:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:02,305 INFO L470 AbstractCegarLoop]: Abstraction has 10994 states and 21819 transitions. [2021-10-16 22:51:02,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 10994 states and 21819 transitions. [2021-10-16 22:51:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:02,306 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:02,306 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:02,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-10-16 22:51:02,306 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:02,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:02,306 INFO L82 PathProgramCache]: Analyzing trace with hash -19136315, now seen corresponding path program 67 times [2021-10-16 22:51:02,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:02,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251145810] [2021-10-16 22:51:02,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:02,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:02,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:02,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251145810] [2021-10-16 22:51:02,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251145810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:02,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:02,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:02,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625301781] [2021-10-16 22:51:02,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:02,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:02,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:02,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:02,490 INFO L87 Difference]: Start difference. First operand 10994 states and 21819 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:05,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:05,312 INFO L93 Difference]: Finished difference Result 11607 states and 22968 transitions. [2021-10-16 22:51:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:05,313 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:05,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:05,326 INFO L225 Difference]: With dead ends: 11607 [2021-10-16 22:51:05,326 INFO L226 Difference]: Without dead ends: 11607 [2021-10-16 22:51:05,326 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 365.7ms TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:05,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11607 states. [2021-10-16 22:51:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11607 to 11008. [2021-10-16 22:51:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 10979 states have (on average 1.9899808725749157) internal successors, (21848), 11007 states have internal predecessors, (21848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 21848 transitions. [2021-10-16 22:51:05,454 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 21848 transitions. Word has length 95 [2021-10-16 22:51:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:05,454 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 21848 transitions. [2021-10-16 22:51:05,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 21848 transitions. [2021-10-16 22:51:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:05,455 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:05,455 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:05,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-10-16 22:51:05,455 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:05,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:05,456 INFO L82 PathProgramCache]: Analyzing trace with hash 33950431, now seen corresponding path program 68 times [2021-10-16 22:51:05,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:05,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727023928] [2021-10-16 22:51:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:05,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:05,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:05,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727023928] [2021-10-16 22:51:05,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727023928] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:05,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:05,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:05,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698541550] [2021-10-16 22:51:05,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:05,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:05,621 INFO L87 Difference]: Start difference. First operand 11008 states and 21848 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:07,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:07,134 INFO L93 Difference]: Finished difference Result 11568 states and 22891 transitions. [2021-10-16 22:51:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:51:07,135 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:07,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:07,147 INFO L225 Difference]: With dead ends: 11568 [2021-10-16 22:51:07,147 INFO L226 Difference]: Without dead ends: 11568 [2021-10-16 22:51:07,148 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 305.8ms TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:51:07,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11568 states. [2021-10-16 22:51:07,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11568 to 11010. [2021-10-16 22:51:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 10981 states have (on average 1.9899826973863948) internal successors, (21852), 11009 states have internal predecessors, (21852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 21852 transitions. [2021-10-16 22:51:07,261 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 21852 transitions. Word has length 95 [2021-10-16 22:51:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:07,261 INFO L470 AbstractCegarLoop]: Abstraction has 11010 states and 21852 transitions. [2021-10-16 22:51:07,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 21852 transitions. [2021-10-16 22:51:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:07,262 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:07,262 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:07,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-10-16 22:51:07,262 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:07,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:07,262 INFO L82 PathProgramCache]: Analyzing trace with hash -355092919, now seen corresponding path program 69 times [2021-10-16 22:51:07,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:07,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750369744] [2021-10-16 22:51:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:07,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:07,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:07,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750369744] [2021-10-16 22:51:07,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750369744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:07,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:07,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:07,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603691155] [2021-10-16 22:51:07,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:07,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:07,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:07,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:07,420 INFO L87 Difference]: Start difference. First operand 11010 states and 21852 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:09,720 INFO L93 Difference]: Finished difference Result 11618 states and 22991 transitions. [2021-10-16 22:51:09,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:51:09,720 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:09,735 INFO L225 Difference]: With dead ends: 11618 [2021-10-16 22:51:09,735 INFO L226 Difference]: Without dead ends: 11618 [2021-10-16 22:51:09,736 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 356.4ms TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:51:09,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11618 states. [2021-10-16 22:51:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11618 to 11012. [2021-10-16 22:51:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11012 states, 10983 states have (on average 1.9899845215332788) internal successors, (21856), 11011 states have internal predecessors, (21856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 11012 states and 21856 transitions. [2021-10-16 22:51:09,858 INFO L78 Accepts]: Start accepts. Automaton has 11012 states and 21856 transitions. Word has length 95 [2021-10-16 22:51:09,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:09,858 INFO L470 AbstractCegarLoop]: Abstraction has 11012 states and 21856 transitions. [2021-10-16 22:51:09,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 11012 states and 21856 transitions. [2021-10-16 22:51:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:09,859 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:09,859 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:09,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-10-16 22:51:09,859 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:09,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:09,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1284767983, now seen corresponding path program 70 times [2021-10-16 22:51:09,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:09,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664129422] [2021-10-16 22:51:09,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:09,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:10,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:10,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664129422] [2021-10-16 22:51:10,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664129422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:10,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:10,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:10,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130817627] [2021-10-16 22:51:10,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:10,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:10,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:10,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:10,022 INFO L87 Difference]: Start difference. First operand 11012 states and 21856 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:12,266 INFO L93 Difference]: Finished difference Result 11646 states and 23047 transitions. [2021-10-16 22:51:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:12,266 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:12,280 INFO L225 Difference]: With dead ends: 11646 [2021-10-16 22:51:12,280 INFO L226 Difference]: Without dead ends: 11646 [2021-10-16 22:51:12,280 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 441.9ms TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11646 states. [2021-10-16 22:51:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11646 to 11009. [2021-10-16 22:51:12,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11009 states, 10980 states have (on average 1.9899817850637522) internal successors, (21850), 11008 states have internal predecessors, (21850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11009 states to 11009 states and 21850 transitions. [2021-10-16 22:51:12,396 INFO L78 Accepts]: Start accepts. Automaton has 11009 states and 21850 transitions. Word has length 95 [2021-10-16 22:51:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:12,396 INFO L470 AbstractCegarLoop]: Abstraction has 11009 states and 21850 transitions. [2021-10-16 22:51:12,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 11009 states and 21850 transitions. [2021-10-16 22:51:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:12,397 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:12,397 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:12,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-10-16 22:51:12,397 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:12,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:12,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1899468099, now seen corresponding path program 71 times [2021-10-16 22:51:12,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:12,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851812470] [2021-10-16 22:51:12,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:12,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:12,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:12,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851812470] [2021-10-16 22:51:12,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851812470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:12,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:12,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:12,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018251123] [2021-10-16 22:51:12,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:12,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:12,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:12,558 INFO L87 Difference]: Start difference. First operand 11009 states and 21850 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:14,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:14,743 INFO L93 Difference]: Finished difference Result 11583 states and 22921 transitions. [2021-10-16 22:51:14,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:51:14,744 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:14,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:14,756 INFO L225 Difference]: With dead ends: 11583 [2021-10-16 22:51:14,757 INFO L226 Difference]: Without dead ends: 11583 [2021-10-16 22:51:14,757 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 358.5ms TimeCoverageRelationStatistics Valid=250, Invalid=680, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:51:14,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2021-10-16 22:51:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11013. [2021-10-16 22:51:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11013 states, 10984 states have (on average 1.989985433357611) internal successors, (21858), 11012 states have internal predecessors, (21858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11013 states to 11013 states and 21858 transitions. [2021-10-16 22:51:14,865 INFO L78 Accepts]: Start accepts. Automaton has 11013 states and 21858 transitions. Word has length 95 [2021-10-16 22:51:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:14,865 INFO L470 AbstractCegarLoop]: Abstraction has 11013 states and 21858 transitions. [2021-10-16 22:51:14,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 11013 states and 21858 transitions. [2021-10-16 22:51:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:14,867 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:14,867 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:14,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-10-16 22:51:14,867 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:14,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1465824133, now seen corresponding path program 72 times [2021-10-16 22:51:14,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:14,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856852472] [2021-10-16 22:51:14,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:14,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:15,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:15,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856852472] [2021-10-16 22:51:15,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856852472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:15,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:15,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:15,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609763935] [2021-10-16 22:51:15,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:15,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:15,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:15,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:15,060 INFO L87 Difference]: Start difference. First operand 11013 states and 21858 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:17,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:17,028 INFO L93 Difference]: Finished difference Result 11659 states and 23073 transitions. [2021-10-16 22:51:17,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:51:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:17,041 INFO L225 Difference]: With dead ends: 11659 [2021-10-16 22:51:17,041 INFO L226 Difference]: Without dead ends: 11659 [2021-10-16 22:51:17,041 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 418.4ms TimeCoverageRelationStatistics Valid=281, Invalid=775, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:51:17,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2021-10-16 22:51:17,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 11011. [2021-10-16 22:51:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11011 states, 10982 states have (on average 1.9899836095428884) internal successors, (21854), 11010 states have internal predecessors, (21854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11011 states to 11011 states and 21854 transitions. [2021-10-16 22:51:17,148 INFO L78 Accepts]: Start accepts. Automaton has 11011 states and 21854 transitions. Word has length 95 [2021-10-16 22:51:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:17,148 INFO L470 AbstractCegarLoop]: Abstraction has 11011 states and 21854 transitions. [2021-10-16 22:51:17,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 11011 states and 21854 transitions. [2021-10-16 22:51:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:17,149 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:17,149 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:17,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-10-16 22:51:17,149 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:17,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:17,150 INFO L82 PathProgramCache]: Analyzing trace with hash 332989123, now seen corresponding path program 73 times [2021-10-16 22:51:17,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:17,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108279850] [2021-10-16 22:51:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:17,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:17,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:17,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108279850] [2021-10-16 22:51:17,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108279850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:17,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:17,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:17,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600768844] [2021-10-16 22:51:17,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:17,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:17,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:17,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:17,305 INFO L87 Difference]: Start difference. First operand 11011 states and 21854 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:19,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:19,427 INFO L93 Difference]: Finished difference Result 11621 states and 22997 transitions. [2021-10-16 22:51:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:19,427 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:19,440 INFO L225 Difference]: With dead ends: 11621 [2021-10-16 22:51:19,440 INFO L226 Difference]: Without dead ends: 11621 [2021-10-16 22:51:19,440 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 379.7ms TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11621 states. [2021-10-16 22:51:19,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11621 to 11013. [2021-10-16 22:51:19,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11013 states, 10984 states have (on average 1.989985433357611) internal successors, (21858), 11012 states have internal predecessors, (21858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11013 states to 11013 states and 21858 transitions. [2021-10-16 22:51:19,592 INFO L78 Accepts]: Start accepts. Automaton has 11013 states and 21858 transitions. Word has length 95 [2021-10-16 22:51:19,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:19,592 INFO L470 AbstractCegarLoop]: Abstraction has 11013 states and 21858 transitions. [2021-10-16 22:51:19,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:19,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11013 states and 21858 transitions. [2021-10-16 22:51:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:19,593 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:19,593 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:19,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-10-16 22:51:19,593 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:19,593 INFO L82 PathProgramCache]: Analyzing trace with hash 912793341, now seen corresponding path program 74 times [2021-10-16 22:51:19,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:19,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290319857] [2021-10-16 22:51:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:19,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:19,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:19,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290319857] [2021-10-16 22:51:19,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290319857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:19,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:19,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:19,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150000455] [2021-10-16 22:51:19,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:19,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:19,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:19,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:19,744 INFO L87 Difference]: Start difference. First operand 11013 states and 21858 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:21,785 INFO L93 Difference]: Finished difference Result 11678 states and 23111 transitions. [2021-10-16 22:51:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:21,785 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:21,797 INFO L225 Difference]: With dead ends: 11678 [2021-10-16 22:51:21,797 INFO L226 Difference]: Without dead ends: 11678 [2021-10-16 22:51:21,798 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 350.7ms TimeCoverageRelationStatistics Valid=257, Invalid=735, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:21,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11678 states. [2021-10-16 22:51:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11678 to 11025. [2021-10-16 22:51:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 10996 states have (on average 1.9900873044743543) internal successors, (21883), 11024 states have internal predecessors, (21883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 21883 transitions. [2021-10-16 22:51:21,902 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 21883 transitions. Word has length 95 [2021-10-16 22:51:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:21,902 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 21883 transitions. [2021-10-16 22:51:21,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 21883 transitions. [2021-10-16 22:51:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:21,903 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:21,903 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:21,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-10-16 22:51:21,904 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:21,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:21,904 INFO L82 PathProgramCache]: Analyzing trace with hash -758081231, now seen corresponding path program 75 times [2021-10-16 22:51:21,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:21,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270808365] [2021-10-16 22:51:21,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:21,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:22,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:22,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270808365] [2021-10-16 22:51:22,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270808365] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:22,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:22,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:22,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154991050] [2021-10-16 22:51:22,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:22,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:22,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:22,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:22,068 INFO L87 Difference]: Start difference. First operand 11025 states and 21883 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:23,592 INFO L93 Difference]: Finished difference Result 11588 states and 22931 transitions. [2021-10-16 22:51:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:51:23,592 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:23,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:23,604 INFO L225 Difference]: With dead ends: 11588 [2021-10-16 22:51:23,605 INFO L226 Difference]: Without dead ends: 11588 [2021-10-16 22:51:23,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 298.5ms TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:51:23,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11588 states. [2021-10-16 22:51:23,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11588 to 11028. [2021-10-16 22:51:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.990090008182562) internal successors, (21889), 11027 states have internal predecessors, (21889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21889 transitions. [2021-10-16 22:51:23,759 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21889 transitions. Word has length 95 [2021-10-16 22:51:23,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:23,760 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21889 transitions. [2021-10-16 22:51:23,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21889 transitions. [2021-10-16 22:51:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:23,761 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:23,761 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:23,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-10-16 22:51:23,761 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:23,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1147124581, now seen corresponding path program 76 times [2021-10-16 22:51:23,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:23,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601149181] [2021-10-16 22:51:23,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:23,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:23,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:23,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601149181] [2021-10-16 22:51:23,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601149181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:23,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:23,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:23,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785084005] [2021-10-16 22:51:23,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:23,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:23,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:23,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:23,921 INFO L87 Difference]: Start difference. First operand 11028 states and 21889 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:25,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:25,676 INFO L93 Difference]: Finished difference Result 11638 states and 23031 transitions. [2021-10-16 22:51:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:51:25,676 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:25,689 INFO L225 Difference]: With dead ends: 11638 [2021-10-16 22:51:25,689 INFO L226 Difference]: Without dead ends: 11638 [2021-10-16 22:51:25,689 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 350.2ms TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:51:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11638 states. [2021-10-16 22:51:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11638 to 11030. [2021-10-16 22:51:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11030 states, 11001 states have (on average 1.9900918098354694) internal successors, (21893), 11029 states have internal predecessors, (21893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 21893 transitions. [2021-10-16 22:51:25,795 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 21893 transitions. Word has length 95 [2021-10-16 22:51:25,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:25,795 INFO L470 AbstractCegarLoop]: Abstraction has 11030 states and 21893 transitions. [2021-10-16 22:51:25,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 21893 transitions. [2021-10-16 22:51:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:25,797 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:25,797 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:25,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-10-16 22:51:25,797 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:25,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:25,797 INFO L82 PathProgramCache]: Analyzing trace with hash -2076799645, now seen corresponding path program 77 times [2021-10-16 22:51:25,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:25,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759070320] [2021-10-16 22:51:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:25,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:25,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:25,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759070320] [2021-10-16 22:51:25,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759070320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:25,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:25,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:25,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131188102] [2021-10-16 22:51:25,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:25,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:25,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:25,958 INFO L87 Difference]: Start difference. First operand 11030 states and 21893 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:27,826 INFO L93 Difference]: Finished difference Result 11666 states and 23087 transitions. [2021-10-16 22:51:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:27,826 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:27,839 INFO L225 Difference]: With dead ends: 11666 [2021-10-16 22:51:27,839 INFO L226 Difference]: Without dead ends: 11666 [2021-10-16 22:51:27,839 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 413.3ms TimeCoverageRelationStatistics Valid=242, Invalid=750, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11666 states. [2021-10-16 22:51:27,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11666 to 11027. [2021-10-16 22:51:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11027 states, 10998 states have (on average 1.9900891071103837) internal successors, (21887), 11026 states have internal predecessors, (21887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11027 states to 11027 states and 21887 transitions. [2021-10-16 22:51:27,967 INFO L78 Accepts]: Start accepts. Automaton has 11027 states and 21887 transitions. Word has length 95 [2021-10-16 22:51:27,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:27,968 INFO L470 AbstractCegarLoop]: Abstraction has 11027 states and 21887 transitions. [2021-10-16 22:51:27,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 11027 states and 21887 transitions. [2021-10-16 22:51:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:27,969 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:27,969 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:27,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-10-16 22:51:27,969 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:27,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:27,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1603467535, now seen corresponding path program 78 times [2021-10-16 22:51:27,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:27,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586008148] [2021-10-16 22:51:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:27,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:28,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:28,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586008148] [2021-10-16 22:51:28,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586008148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:28,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:28,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:28,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091176660] [2021-10-16 22:51:28,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:28,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:28,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:28,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:28,142 INFO L87 Difference]: Start difference. First operand 11027 states and 21887 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:29,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:29,600 INFO L93 Difference]: Finished difference Result 11625 states and 23005 transitions. [2021-10-16 22:51:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:51:29,600 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:29,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:29,612 INFO L225 Difference]: With dead ends: 11625 [2021-10-16 22:51:29,612 INFO L226 Difference]: Without dead ends: 11625 [2021-10-16 22:51:29,613 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 374.1ms TimeCoverageRelationStatistics Valid=237, Invalid=693, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:51:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11625 states. [2021-10-16 22:51:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11625 to 11031. [2021-10-16 22:51:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11031 states, 11002 states have (on average 1.990092710416288) internal successors, (21895), 11030 states have internal predecessors, (21895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11031 states to 11031 states and 21895 transitions. [2021-10-16 22:51:29,717 INFO L78 Accepts]: Start accepts. Automaton has 11031 states and 21895 transitions. Word has length 95 [2021-10-16 22:51:29,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:29,717 INFO L470 AbstractCegarLoop]: Abstraction has 11031 states and 21895 transitions. [2021-10-16 22:51:29,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 11031 states and 21895 transitions. [2021-10-16 22:51:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:29,719 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:29,719 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:29,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-10-16 22:51:29,719 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:29,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:29,719 INFO L82 PathProgramCache]: Analyzing trace with hash 673792471, now seen corresponding path program 79 times [2021-10-16 22:51:29,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:29,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031207120] [2021-10-16 22:51:29,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:29,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:29,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:29,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031207120] [2021-10-16 22:51:29,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031207120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:29,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:29,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:29,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228076939] [2021-10-16 22:51:29,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:29,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:29,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:29,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:29,881 INFO L87 Difference]: Start difference. First operand 11031 states and 21895 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:31,949 INFO L93 Difference]: Finished difference Result 11701 states and 23157 transitions. [2021-10-16 22:51:31,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:51:31,949 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:31,959 INFO L225 Difference]: With dead ends: 11701 [2021-10-16 22:51:31,959 INFO L226 Difference]: Without dead ends: 11701 [2021-10-16 22:51:31,959 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 415.4ms TimeCoverageRelationStatistics Valid=264, Invalid=792, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:51:31,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11701 states. [2021-10-16 22:51:32,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11701 to 11029. [2021-10-16 22:51:32,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11029 states, 11000 states have (on average 1.9900909090909091) internal successors, (21891), 11028 states have internal predecessors, (21891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11029 states to 11029 states and 21891 transitions. [2021-10-16 22:51:32,054 INFO L78 Accepts]: Start accepts. Automaton has 11029 states and 21891 transitions. Word has length 95 [2021-10-16 22:51:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:32,054 INFO L470 AbstractCegarLoop]: Abstraction has 11029 states and 21891 transitions. [2021-10-16 22:51:32,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 11029 states and 21891 transitions. [2021-10-16 22:51:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:32,055 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:32,055 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:32,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-10-16 22:51:32,055 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash -459042539, now seen corresponding path program 80 times [2021-10-16 22:51:32,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:32,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465526266] [2021-10-16 22:51:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:32,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:32,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:32,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465526266] [2021-10-16 22:51:32,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465526266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:32,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:32,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:32,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813226600] [2021-10-16 22:51:32,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:32,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:32,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:32,208 INFO L87 Difference]: Start difference. First operand 11029 states and 21891 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:34,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:34,108 INFO L93 Difference]: Finished difference Result 11663 states and 23081 transitions. [2021-10-16 22:51:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:34,109 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:34,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:34,121 INFO L225 Difference]: With dead ends: 11663 [2021-10-16 22:51:34,121 INFO L226 Difference]: Without dead ends: 11663 [2021-10-16 22:51:34,121 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 396.2ms TimeCoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:34,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11663 states. [2021-10-16 22:51:34,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11663 to 11031. [2021-10-16 22:51:34,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11031 states, 11002 states have (on average 1.990092710416288) internal successors, (21895), 11030 states have internal predecessors, (21895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11031 states to 11031 states and 21895 transitions. [2021-10-16 22:51:34,236 INFO L78 Accepts]: Start accepts. Automaton has 11031 states and 21895 transitions. Word has length 95 [2021-10-16 22:51:34,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:34,236 INFO L470 AbstractCegarLoop]: Abstraction has 11031 states and 21895 transitions. [2021-10-16 22:51:34,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 11031 states and 21895 transitions. [2021-10-16 22:51:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:34,237 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:34,237 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:34,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-10-16 22:51:34,238 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:34,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash 120761679, now seen corresponding path program 81 times [2021-10-16 22:51:34,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:34,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526552496] [2021-10-16 22:51:34,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:34,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:34,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:34,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526552496] [2021-10-16 22:51:34,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526552496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:34,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:34,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:34,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998129085] [2021-10-16 22:51:34,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:34,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:34,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:34,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:34,385 INFO L87 Difference]: Start difference. First operand 11031 states and 21895 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:36,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:36,232 INFO L93 Difference]: Finished difference Result 11733 states and 23221 transitions. [2021-10-16 22:51:36,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:36,233 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:36,243 INFO L225 Difference]: With dead ends: 11733 [2021-10-16 22:51:36,243 INFO L226 Difference]: Without dead ends: 11733 [2021-10-16 22:51:36,243 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 376.8ms TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11733 states. [2021-10-16 22:51:36,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11733 to 11026. [2021-10-16 22:51:36,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11026 states, 10997 states have (on average 1.9900882058743294) internal successors, (21885), 11025 states have internal predecessors, (21885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11026 states to 11026 states and 21885 transitions. [2021-10-16 22:51:36,347 INFO L78 Accepts]: Start accepts. Automaton has 11026 states and 21885 transitions. Word has length 95 [2021-10-16 22:51:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:36,347 INFO L470 AbstractCegarLoop]: Abstraction has 11026 states and 21885 transitions. [2021-10-16 22:51:36,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 11026 states and 21885 transitions. [2021-10-16 22:51:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:36,348 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:36,348 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:36,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-10-16 22:51:36,348 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash 549991485, now seen corresponding path program 82 times [2021-10-16 22:51:36,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:36,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138312874] [2021-10-16 22:51:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:36,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:36,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:36,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138312874] [2021-10-16 22:51:36,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138312874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:36,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:36,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:36,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75896037] [2021-10-16 22:51:36,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:36,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:36,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:36,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:36,500 INFO L87 Difference]: Start difference. First operand 11026 states and 21885 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:37,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:37,834 INFO L93 Difference]: Finished difference Result 11609 states and 22973 transitions. [2021-10-16 22:51:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:37,835 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:37,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:37,847 INFO L225 Difference]: With dead ends: 11609 [2021-10-16 22:51:37,847 INFO L226 Difference]: Without dead ends: 11609 [2021-10-16 22:51:37,847 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 349.1ms TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:37,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11609 states. [2021-10-16 22:51:37,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11609 to 11032. [2021-10-16 22:51:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 11003 states have (on average 1.990093610833409) internal successors, (21897), 11031 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 21897 transitions. [2021-10-16 22:51:37,959 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 21897 transitions. Word has length 95 [2021-10-16 22:51:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:37,959 INFO L470 AbstractCegarLoop]: Abstraction has 11032 states and 21897 transitions. [2021-10-16 22:51:37,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 21897 transitions. [2021-10-16 22:51:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:37,960 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:37,960 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:37,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-10-16 22:51:37,960 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash -379683579, now seen corresponding path program 83 times [2021-10-16 22:51:37,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:37,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474608535] [2021-10-16 22:51:37,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:37,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:38,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:38,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474608535] [2021-10-16 22:51:38,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474608535] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:38,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:38,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:38,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715448438] [2021-10-16 22:51:38,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:38,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:38,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:38,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:38,115 INFO L87 Difference]: Start difference. First operand 11032 states and 21897 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:39,820 INFO L93 Difference]: Finished difference Result 11685 states and 23125 transitions. [2021-10-16 22:51:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:51:39,820 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:39,861 INFO L225 Difference]: With dead ends: 11685 [2021-10-16 22:51:39,862 INFO L226 Difference]: Without dead ends: 11685 [2021-10-16 22:51:39,862 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 415.5ms TimeCoverageRelationStatistics Valid=291, Invalid=831, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:51:39,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11685 states. [2021-10-16 22:51:39,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11685 to 11030. [2021-10-16 22:51:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11030 states, 11001 states have (on average 1.9900918098354694) internal successors, (21893), 11029 states have internal predecessors, (21893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 21893 transitions. [2021-10-16 22:51:39,951 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 21893 transitions. Word has length 95 [2021-10-16 22:51:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:39,951 INFO L470 AbstractCegarLoop]: Abstraction has 11030 states and 21893 transitions. [2021-10-16 22:51:39,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 21893 transitions. [2021-10-16 22:51:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:39,952 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:39,952 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:39,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-10-16 22:51:39,952 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:39,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1512518589, now seen corresponding path program 84 times [2021-10-16 22:51:39,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:39,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395155888] [2021-10-16 22:51:39,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:39,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:40,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:40,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395155888] [2021-10-16 22:51:40,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395155888] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:40,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:40,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:40,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587662758] [2021-10-16 22:51:40,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:40,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:40,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:40,098 INFO L87 Difference]: Start difference. First operand 11030 states and 21893 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:42,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:42,093 INFO L93 Difference]: Finished difference Result 11687 states and 23129 transitions. [2021-10-16 22:51:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:51:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:42,105 INFO L225 Difference]: With dead ends: 11687 [2021-10-16 22:51:42,106 INFO L226 Difference]: Without dead ends: 11687 [2021-10-16 22:51:42,106 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 390.6ms TimeCoverageRelationStatistics Valid=266, Invalid=790, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:51:42,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11687 states. [2021-10-16 22:51:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11687 to 11032. [2021-10-16 22:51:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 11003 states have (on average 1.990093610833409) internal successors, (21897), 11031 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 21897 transitions. [2021-10-16 22:51:42,213 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 21897 transitions. Word has length 95 [2021-10-16 22:51:42,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:42,214 INFO L470 AbstractCegarLoop]: Abstraction has 11032 states and 21897 transitions. [2021-10-16 22:51:42,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 21897 transitions. [2021-10-16 22:51:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:42,215 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:42,215 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:42,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-10-16 22:51:42,215 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:42,215 INFO L82 PathProgramCache]: Analyzing trace with hash -932714371, now seen corresponding path program 85 times [2021-10-16 22:51:42,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:42,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665570755] [2021-10-16 22:51:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:42,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:42,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:42,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665570755] [2021-10-16 22:51:42,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665570755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:42,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:42,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:42,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070484325] [2021-10-16 22:51:42,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:42,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:42,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:42,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:42,358 INFO L87 Difference]: Start difference. First operand 11032 states and 21897 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:44,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:44,027 INFO L93 Difference]: Finished difference Result 11757 states and 23269 transitions. [2021-10-16 22:51:44,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:51:44,028 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:44,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:44,038 INFO L225 Difference]: With dead ends: 11757 [2021-10-16 22:51:44,038 INFO L226 Difference]: Without dead ends: 11757 [2021-10-16 22:51:44,038 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 377.2ms TimeCoverageRelationStatistics Valid=265, Invalid=791, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:51:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11757 states. [2021-10-16 22:51:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11757 to 11028. [2021-10-16 22:51:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.990090008182562) internal successors, (21889), 11027 states have internal predecessors, (21889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21889 transitions. [2021-10-16 22:51:44,136 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21889 transitions. Word has length 95 [2021-10-16 22:51:44,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:44,136 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21889 transitions. [2021-10-16 22:51:44,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21889 transitions. [2021-10-16 22:51:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:44,137 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:44,137 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:44,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-10-16 22:51:44,137 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:44,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:44,137 INFO L82 PathProgramCache]: Analyzing trace with hash -334128349, now seen corresponding path program 86 times [2021-10-16 22:51:44,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:44,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926656976] [2021-10-16 22:51:44,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:44,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:44,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:44,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926656976] [2021-10-16 22:51:44,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926656976] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:44,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:44,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:44,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101822248] [2021-10-16 22:51:44,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:44,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:44,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:44,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:44,283 INFO L87 Difference]: Start difference. First operand 11028 states and 21889 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:46,153 INFO L93 Difference]: Finished difference Result 11645 states and 23045 transitions. [2021-10-16 22:51:46,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:46,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:46,165 INFO L225 Difference]: With dead ends: 11645 [2021-10-16 22:51:46,165 INFO L226 Difference]: Without dead ends: 11645 [2021-10-16 22:51:46,165 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 349.5ms TimeCoverageRelationStatistics Valid=246, Invalid=746, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11645 states. [2021-10-16 22:51:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11645 to 11032. [2021-10-16 22:51:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 11003 states have (on average 1.990093610833409) internal successors, (21897), 11031 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 21897 transitions. [2021-10-16 22:51:46,268 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 21897 transitions. Word has length 95 [2021-10-16 22:51:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:46,268 INFO L470 AbstractCegarLoop]: Abstraction has 11032 states and 21897 transitions. [2021-10-16 22:51:46,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 21897 transitions. [2021-10-16 22:51:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:46,269 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:46,269 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:46,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-10-16 22:51:46,269 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:46,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:46,270 INFO L82 PathProgramCache]: Analyzing trace with hash 245675869, now seen corresponding path program 87 times [2021-10-16 22:51:46,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:46,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54390178] [2021-10-16 22:51:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:46,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:46,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:46,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54390178] [2021-10-16 22:51:46,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54390178] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:46,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:46,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:46,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412192133] [2021-10-16 22:51:46,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:46,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:46,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:46,409 INFO L87 Difference]: Start difference. First operand 11032 states and 21897 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:48,188 INFO L93 Difference]: Finished difference Result 11743 states and 23241 transitions. [2021-10-16 22:51:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:48,188 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:48,198 INFO L225 Difference]: With dead ends: 11743 [2021-10-16 22:51:48,199 INFO L226 Difference]: Without dead ends: 11743 [2021-10-16 22:51:48,199 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 349.6ms TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:48,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11743 states. [2021-10-16 22:51:48,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11743 to 11030. [2021-10-16 22:51:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11030 states, 11001 states have (on average 1.9900918098354694) internal successors, (21893), 11029 states have internal predecessors, (21893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 21893 transitions. [2021-10-16 22:51:48,298 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 21893 transitions. Word has length 95 [2021-10-16 22:51:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:48,298 INFO L470 AbstractCegarLoop]: Abstraction has 11030 states and 21893 transitions. [2021-10-16 22:51:48,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 21893 transitions. [2021-10-16 22:51:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:48,299 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:48,299 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:48,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-10-16 22:51:48,299 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:48,299 INFO L82 PathProgramCache]: Analyzing trace with hash -796346171, now seen corresponding path program 88 times [2021-10-16 22:51:48,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:48,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327021048] [2021-10-16 22:51:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:48,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:48,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:48,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327021048] [2021-10-16 22:51:48,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327021048] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:48,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:48,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:48,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980592240] [2021-10-16 22:51:48,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:48,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:48,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:48,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:48,444 INFO L87 Difference]: Start difference. First operand 11030 states and 21893 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:50,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:50,381 INFO L93 Difference]: Finished difference Result 11755 states and 23265 transitions. [2021-10-16 22:51:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:50,381 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:50,394 INFO L225 Difference]: With dead ends: 11755 [2021-10-16 22:51:50,395 INFO L226 Difference]: Without dead ends: 11755 [2021-10-16 22:51:50,395 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 323.1ms TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:50,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11755 states. [2021-10-16 22:51:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11755 to 11042. [2021-10-16 22:51:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11042 states, 11013 states have (on average 1.9901934077907928) internal successors, (21918), 11041 states have internal predecessors, (21918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11042 states to 11042 states and 21918 transitions. [2021-10-16 22:51:50,500 INFO L78 Accepts]: Start accepts. Automaton has 11042 states and 21918 transitions. Word has length 95 [2021-10-16 22:51:50,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:50,500 INFO L470 AbstractCegarLoop]: Abstraction has 11042 states and 21918 transitions. [2021-10-16 22:51:50,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states and 21918 transitions. [2021-10-16 22:51:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:50,501 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:50,501 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:50,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-10-16 22:51:50,501 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1823115839, now seen corresponding path program 89 times [2021-10-16 22:51:50,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:50,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286854222] [2021-10-16 22:51:50,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:50,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:50,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:50,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286854222] [2021-10-16 22:51:50,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286854222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:50,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:50,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:50,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171868195] [2021-10-16 22:51:50,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:50,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:50,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:50,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:50,651 INFO L87 Difference]: Start difference. First operand 11042 states and 21918 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:51,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:51,875 INFO L93 Difference]: Finished difference Result 11652 states and 23060 transitions. [2021-10-16 22:51:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:51:51,875 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:51,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:51,884 INFO L225 Difference]: With dead ends: 11652 [2021-10-16 22:51:51,885 INFO L226 Difference]: Without dead ends: 11652 [2021-10-16 22:51:51,885 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 218.3ms TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:51:51,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11652 states. [2021-10-16 22:51:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11652 to 11049. [2021-10-16 22:51:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 11020 states have (on average 1.9901996370235935) internal successors, (21932), 11048 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 21932 transitions. [2021-10-16 22:51:51,976 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 21932 transitions. Word has length 95 [2021-10-16 22:51:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:51,976 INFO L470 AbstractCegarLoop]: Abstraction has 11049 states and 21932 transitions. [2021-10-16 22:51:51,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 21932 transitions. [2021-10-16 22:51:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:51,977 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:51,977 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:51,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-10-16 22:51:51,977 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:51,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:51,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2082808107, now seen corresponding path program 90 times [2021-10-16 22:51:51,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:51,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850848655] [2021-10-16 22:51:51,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:51,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:52,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:52,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850848655] [2021-10-16 22:51:52,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850848655] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:52,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:52,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:52,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3753865] [2021-10-16 22:51:52,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:52,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:52,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:52,130 INFO L87 Difference]: Start difference. First operand 11049 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:53,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:53,542 INFO L93 Difference]: Finished difference Result 11702 states and 23160 transitions. [2021-10-16 22:51:53,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:51:53,542 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:53,554 INFO L225 Difference]: With dead ends: 11702 [2021-10-16 22:51:53,555 INFO L226 Difference]: Without dead ends: 11702 [2021-10-16 22:51:53,555 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 266.3ms TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:51:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11702 states. [2021-10-16 22:51:53,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11702 to 11051. [2021-10-16 22:51:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11051 states, 11022 states have (on average 1.990201415351116) internal successors, (21936), 11050 states have internal predecessors, (21936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 21936 transitions. [2021-10-16 22:51:53,659 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 21936 transitions. Word has length 95 [2021-10-16 22:51:53,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:53,659 INFO L470 AbstractCegarLoop]: Abstraction has 11051 states and 21936 transitions. [2021-10-16 22:51:53,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 21936 transitions. [2021-10-16 22:51:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:53,660 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:53,660 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:53,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-10-16 22:51:53,660 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:53,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:53,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1153133043, now seen corresponding path program 91 times [2021-10-16 22:51:53,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:53,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754987132] [2021-10-16 22:51:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:53,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:53,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:53,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754987132] [2021-10-16 22:51:53,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754987132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:53,812 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:53,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:53,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299042606] [2021-10-16 22:51:53,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:53,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:53,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:53,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:53,812 INFO L87 Difference]: Start difference. First operand 11051 states and 21936 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:55,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:55,397 INFO L93 Difference]: Finished difference Result 11730 states and 23216 transitions. [2021-10-16 22:51:55,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:51:55,397 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:55,410 INFO L225 Difference]: With dead ends: 11730 [2021-10-16 22:51:55,410 INFO L226 Difference]: Without dead ends: 11730 [2021-10-16 22:51:55,410 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 336.5ms TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:51:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11730 states. [2021-10-16 22:51:55,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11730 to 11048. [2021-10-16 22:51:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9901987476177512) internal successors, (21930), 11047 states have internal predecessors, (21930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21930 transitions. [2021-10-16 22:51:55,535 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21930 transitions. Word has length 95 [2021-10-16 22:51:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:55,535 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21930 transitions. [2021-10-16 22:51:55,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21930 transitions. [2021-10-16 22:51:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:55,536 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:55,536 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:55,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-10-16 22:51:55,536 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:55,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:55,536 INFO L82 PathProgramCache]: Analyzing trace with hash 538432927, now seen corresponding path program 92 times [2021-10-16 22:51:55,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:55,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298408780] [2021-10-16 22:51:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:55,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:55,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:55,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:55,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298408780] [2021-10-16 22:51:55,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298408780] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:55,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:55,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:55,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860797104] [2021-10-16 22:51:55,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:55,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:55,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:55,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:55,685 INFO L87 Difference]: Start difference. First operand 11048 states and 21930 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:56,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:56,642 INFO L93 Difference]: Finished difference Result 11689 states and 23134 transitions. [2021-10-16 22:51:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:51:56,642 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:56,654 INFO L225 Difference]: With dead ends: 11689 [2021-10-16 22:51:56,654 INFO L226 Difference]: Without dead ends: 11689 [2021-10-16 22:51:56,654 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 288.9ms TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:51:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11689 states. [2021-10-16 22:51:56,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11689 to 11052. [2021-10-16 22:51:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11052 states, 11023 states have (on average 1.990202304272884) internal successors, (21938), 11051 states have internal predecessors, (21938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:56,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 11052 states and 21938 transitions. [2021-10-16 22:51:56,760 INFO L78 Accepts]: Start accepts. Automaton has 11052 states and 21938 transitions. Word has length 95 [2021-10-16 22:51:56,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:56,760 INFO L470 AbstractCegarLoop]: Abstraction has 11052 states and 21938 transitions. [2021-10-16 22:51:56,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:56,760 INFO L276 IsEmpty]: Start isEmpty. Operand 11052 states and 21938 transitions. [2021-10-16 22:51:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:56,761 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:56,761 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:56,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-10-16 22:51:56,761 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:56,762 INFO L82 PathProgramCache]: Analyzing trace with hash -391242137, now seen corresponding path program 93 times [2021-10-16 22:51:56,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:56,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016881429] [2021-10-16 22:51:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:56,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:56,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:56,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016881429] [2021-10-16 22:51:56,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016881429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:56,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:56,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:56,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161198826] [2021-10-16 22:51:56,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:56,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:56,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:56,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:56,910 INFO L87 Difference]: Start difference. First operand 11052 states and 21938 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:58,529 INFO L93 Difference]: Finished difference Result 11765 states and 23286 transitions. [2021-10-16 22:51:58,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:51:58,529 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:51:58,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:58,543 INFO L225 Difference]: With dead ends: 11765 [2021-10-16 22:51:58,543 INFO L226 Difference]: Without dead ends: 11765 [2021-10-16 22:51:58,543 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 352.2ms TimeCoverageRelationStatistics Valid=249, Invalid=807, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:51:58,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11765 states. [2021-10-16 22:51:58,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11765 to 11050. [2021-10-16 22:51:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9902005262680338) internal successors, (21934), 11049 states have internal predecessors, (21934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21934 transitions. [2021-10-16 22:51:58,663 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21934 transitions. Word has length 95 [2021-10-16 22:51:58,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:58,663 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21934 transitions. [2021-10-16 22:51:58,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21934 transitions. [2021-10-16 22:51:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:51:58,664 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:58,664 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:58,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-10-16 22:51:58,664 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:51:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:58,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1524077147, now seen corresponding path program 94 times [2021-10-16 22:51:58,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:58,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192122222] [2021-10-16 22:51:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:58,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:58,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:58,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192122222] [2021-10-16 22:51:58,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192122222] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:58,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:58,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:51:58,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404191490] [2021-10-16 22:51:58,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:51:58,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:58,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:51:58,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:51:58,812 INFO L87 Difference]: Start difference. First operand 11050 states and 21934 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:00,604 INFO L93 Difference]: Finished difference Result 11727 states and 23210 transitions. [2021-10-16 22:52:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:00,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:00,617 INFO L225 Difference]: With dead ends: 11727 [2021-10-16 22:52:00,617 INFO L226 Difference]: Without dead ends: 11727 [2021-10-16 22:52:00,617 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 343.7ms TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11727 states. [2021-10-16 22:52:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11727 to 11052. [2021-10-16 22:52:00,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11052 states, 11023 states have (on average 1.990202304272884) internal successors, (21938), 11051 states have internal predecessors, (21938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 11052 states and 21938 transitions. [2021-10-16 22:52:00,722 INFO L78 Accepts]: Start accepts. Automaton has 11052 states and 21938 transitions. Word has length 95 [2021-10-16 22:52:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:00,722 INFO L470 AbstractCegarLoop]: Abstraction has 11052 states and 21938 transitions. [2021-10-16 22:52:00,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 11052 states and 21938 transitions. [2021-10-16 22:52:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:00,723 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:00,723 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:00,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-10-16 22:52:00,723 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:00,723 INFO L82 PathProgramCache]: Analyzing trace with hash -944272929, now seen corresponding path program 95 times [2021-10-16 22:52:00,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:00,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020960439] [2021-10-16 22:52:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:00,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:00,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:00,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020960439] [2021-10-16 22:52:00,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020960439] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:00,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:00,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:00,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576069485] [2021-10-16 22:52:00,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:00,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:00,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:00,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:00,864 INFO L87 Difference]: Start difference. First operand 11052 states and 21938 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:02,473 INFO L93 Difference]: Finished difference Result 11797 states and 23350 transitions. [2021-10-16 22:52:02,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:02,486 INFO L225 Difference]: With dead ends: 11797 [2021-10-16 22:52:02,486 INFO L226 Difference]: Without dead ends: 11797 [2021-10-16 22:52:02,486 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 324.9ms TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11797 states. [2021-10-16 22:52:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11797 to 11047. [2021-10-16 22:52:02,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11047 states, 11018 states have (on average 1.990197858050463) internal successors, (21928), 11046 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11047 states to 11047 states and 21928 transitions. [2021-10-16 22:52:02,589 INFO L78 Accepts]: Start accepts. Automaton has 11047 states and 21928 transitions. Word has length 95 [2021-10-16 22:52:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:02,589 INFO L470 AbstractCegarLoop]: Abstraction has 11047 states and 21928 transitions. [2021-10-16 22:52:02,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 11047 states and 21928 transitions. [2021-10-16 22:52:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:02,590 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:02,590 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:02,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-10-16 22:52:02,591 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:02,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:02,591 INFO L82 PathProgramCache]: Analyzing trace with hash -515043123, now seen corresponding path program 96 times [2021-10-16 22:52:02,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:02,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754784689] [2021-10-16 22:52:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:02,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:02,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:02,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754784689] [2021-10-16 22:52:02,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754784689] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:02,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:02,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:02,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614745856] [2021-10-16 22:52:02,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:02,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:02,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:02,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:02,746 INFO L87 Difference]: Start difference. First operand 11047 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:04,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:04,050 INFO L93 Difference]: Finished difference Result 11705 states and 23166 transitions. [2021-10-16 22:52:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:04,050 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:04,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:04,062 INFO L225 Difference]: With dead ends: 11705 [2021-10-16 22:52:04,062 INFO L226 Difference]: Without dead ends: 11705 [2021-10-16 22:52:04,062 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 321.3ms TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11705 states. [2021-10-16 22:52:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11705 to 11053. [2021-10-16 22:52:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11053 states, 11024 states have (on average 1.9902031930333817) internal successors, (21940), 11052 states have internal predecessors, (21940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 21940 transitions. [2021-10-16 22:52:04,166 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 21940 transitions. Word has length 95 [2021-10-16 22:52:04,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:04,166 INFO L470 AbstractCegarLoop]: Abstraction has 11053 states and 21940 transitions. [2021-10-16 22:52:04,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:04,166 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 21940 transitions. [2021-10-16 22:52:04,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:04,167 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:04,167 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:04,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-10-16 22:52:04,168 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:04,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:04,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1444718187, now seen corresponding path program 97 times [2021-10-16 22:52:04,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:04,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759313770] [2021-10-16 22:52:04,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:04,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:04,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:04,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759313770] [2021-10-16 22:52:04,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759313770] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:04,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:04,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:04,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287745836] [2021-10-16 22:52:04,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:04,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:04,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:04,318 INFO L87 Difference]: Start difference. First operand 11053 states and 21940 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:06,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:06,196 INFO L93 Difference]: Finished difference Result 11781 states and 23318 transitions. [2021-10-16 22:52:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:52:06,196 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:06,208 INFO L225 Difference]: With dead ends: 11781 [2021-10-16 22:52:06,209 INFO L226 Difference]: Without dead ends: 11781 [2021-10-16 22:52:06,209 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 363.6ms TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:52:06,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11781 states. [2021-10-16 22:52:06,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11781 to 11051. [2021-10-16 22:52:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11051 states, 11022 states have (on average 1.990201415351116) internal successors, (21936), 11050 states have internal predecessors, (21936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:06,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 21936 transitions. [2021-10-16 22:52:06,313 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 21936 transitions. Word has length 95 [2021-10-16 22:52:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:06,313 INFO L470 AbstractCegarLoop]: Abstraction has 11051 states and 21936 transitions. [2021-10-16 22:52:06,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 21936 transitions. [2021-10-16 22:52:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:06,314 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:06,314 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:06,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-10-16 22:52:06,314 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:06,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1717414099, now seen corresponding path program 98 times [2021-10-16 22:52:06,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:06,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768122423] [2021-10-16 22:52:06,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:06,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:06,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:06,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768122423] [2021-10-16 22:52:06,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768122423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:06,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:06,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:06,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358936221] [2021-10-16 22:52:06,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:06,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:06,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:06,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:06,456 INFO L87 Difference]: Start difference. First operand 11051 states and 21936 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:08,188 INFO L93 Difference]: Finished difference Result 11783 states and 23322 transitions. [2021-10-16 22:52:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:08,200 INFO L225 Difference]: With dead ends: 11783 [2021-10-16 22:52:08,201 INFO L226 Difference]: Without dead ends: 11783 [2021-10-16 22:52:08,201 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 374.7ms TimeCoverageRelationStatistics Valid=248, Invalid=808, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11783 states. [2021-10-16 22:52:08,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11783 to 11053. [2021-10-16 22:52:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11053 states, 11024 states have (on average 1.9902031930333817) internal successors, (21940), 11052 states have internal predecessors, (21940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 21940 transitions. [2021-10-16 22:52:08,307 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 21940 transitions. Word has length 95 [2021-10-16 22:52:08,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:08,307 INFO L470 AbstractCegarLoop]: Abstraction has 11053 states and 21940 transitions. [2021-10-16 22:52:08,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 21940 transitions. [2021-10-16 22:52:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:08,308 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:08,308 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:08,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-10-16 22:52:08,309 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:08,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1997748979, now seen corresponding path program 99 times [2021-10-16 22:52:08,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:08,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216824535] [2021-10-16 22:52:08,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:08,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:08,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:08,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216824535] [2021-10-16 22:52:08,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216824535] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:08,448 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:08,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:08,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225381360] [2021-10-16 22:52:08,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:08,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:08,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:08,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:08,448 INFO L87 Difference]: Start difference. First operand 11053 states and 21940 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:10,369 INFO L93 Difference]: Finished difference Result 11853 states and 23462 transitions. [2021-10-16 22:52:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:10,370 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:10,382 INFO L225 Difference]: With dead ends: 11853 [2021-10-16 22:52:10,382 INFO L226 Difference]: Without dead ends: 11853 [2021-10-16 22:52:10,382 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 340.9ms TimeCoverageRelationStatistics Valid=247, Invalid=809, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:10,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11853 states. [2021-10-16 22:52:10,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11853 to 11049. [2021-10-16 22:52:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 11020 states have (on average 1.9901996370235935) internal successors, (21932), 11048 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 21932 transitions. [2021-10-16 22:52:10,486 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 21932 transitions. Word has length 95 [2021-10-16 22:52:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:10,486 INFO L470 AbstractCegarLoop]: Abstraction has 11049 states and 21932 transitions. [2021-10-16 22:52:10,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:10,487 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 21932 transitions. [2021-10-16 22:52:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:10,487 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:10,488 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:10,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-10-16 22:52:10,488 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:10,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1399162957, now seen corresponding path program 100 times [2021-10-16 22:52:10,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:10,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277868836] [2021-10-16 22:52:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:10,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:10,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:10,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277868836] [2021-10-16 22:52:10,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277868836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:10,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:10,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:10,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893464572] [2021-10-16 22:52:10,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:10,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:10,634 INFO L87 Difference]: Start difference. First operand 11049 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:12,442 INFO L93 Difference]: Finished difference Result 11741 states and 23238 transitions. [2021-10-16 22:52:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:12,454 INFO L225 Difference]: With dead ends: 11741 [2021-10-16 22:52:12,454 INFO L226 Difference]: Without dead ends: 11741 [2021-10-16 22:52:12,455 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 354.7ms TimeCoverageRelationStatistics Valid=228, Invalid=764, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:12,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11741 states. [2021-10-16 22:52:12,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11741 to 11053. [2021-10-16 22:52:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11053 states, 11024 states have (on average 1.9902031930333817) internal successors, (21940), 11052 states have internal predecessors, (21940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 21940 transitions. [2021-10-16 22:52:12,558 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 21940 transitions. Word has length 95 [2021-10-16 22:52:12,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:12,558 INFO L470 AbstractCegarLoop]: Abstraction has 11053 states and 21940 transitions. [2021-10-16 22:52:12,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 21940 transitions. [2021-10-16 22:52:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:12,559 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:12,559 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:12,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-10-16 22:52:12,560 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:12,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:12,560 INFO L82 PathProgramCache]: Analyzing trace with hash -819358739, now seen corresponding path program 101 times [2021-10-16 22:52:12,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:12,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087536427] [2021-10-16 22:52:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:12,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:12,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:12,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087536427] [2021-10-16 22:52:12,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087536427] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:12,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:12,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:12,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856068881] [2021-10-16 22:52:12,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:12,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:12,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:12,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:12,695 INFO L87 Difference]: Start difference. First operand 11053 states and 21940 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:14,266 INFO L93 Difference]: Finished difference Result 11839 states and 23434 transitions. [2021-10-16 22:52:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:14,280 INFO L225 Difference]: With dead ends: 11839 [2021-10-16 22:52:14,280 INFO L226 Difference]: Without dead ends: 11839 [2021-10-16 22:52:14,280 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 329.8ms TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:14,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11839 states. [2021-10-16 22:52:14,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11839 to 11051. [2021-10-16 22:52:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11051 states, 11022 states have (on average 1.990201415351116) internal successors, (21936), 11050 states have internal predecessors, (21936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11051 states to 11051 states and 21936 transitions. [2021-10-16 22:52:14,387 INFO L78 Accepts]: Start accepts. Automaton has 11051 states and 21936 transitions. Word has length 95 [2021-10-16 22:52:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:14,387 INFO L470 AbstractCegarLoop]: Abstraction has 11051 states and 21936 transitions. [2021-10-16 22:52:14,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 11051 states and 21936 transitions. [2021-10-16 22:52:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:14,388 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:14,388 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:14,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-10-16 22:52:14,388 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:14,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1861380779, now seen corresponding path program 102 times [2021-10-16 22:52:14,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:14,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402216812] [2021-10-16 22:52:14,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:14,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:14,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:14,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402216812] [2021-10-16 22:52:14,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402216812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:14,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:14,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:14,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591256879] [2021-10-16 22:52:14,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:14,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:14,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:14,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:14,531 INFO L87 Difference]: Start difference. First operand 11051 states and 21936 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:16,198 INFO L93 Difference]: Finished difference Result 11873 states and 23502 transitions. [2021-10-16 22:52:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:16,199 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:16,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:16,211 INFO L225 Difference]: With dead ends: 11873 [2021-10-16 22:52:16,211 INFO L226 Difference]: Without dead ends: 11873 [2021-10-16 22:52:16,212 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 324.8ms TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:16,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11873 states. [2021-10-16 22:52:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11873 to 11046. [2021-10-16 22:52:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11046 states, 11017 states have (on average 1.9901969683216847) internal successors, (21926), 11045 states have internal predecessors, (21926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11046 states to 11046 states and 21926 transitions. [2021-10-16 22:52:16,319 INFO L78 Accepts]: Start accepts. Automaton has 11046 states and 21926 transitions. Word has length 95 [2021-10-16 22:52:16,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:16,319 INFO L470 AbstractCegarLoop]: Abstraction has 11046 states and 21926 transitions. [2021-10-16 22:52:16,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 11046 states and 21926 transitions. [2021-10-16 22:52:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:16,320 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:16,320 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:16,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-10-16 22:52:16,320 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:16,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:16,321 INFO L82 PathProgramCache]: Analyzing trace with hash 974782077, now seen corresponding path program 103 times [2021-10-16 22:52:16,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:16,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956748821] [2021-10-16 22:52:16,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:16,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:16,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:16,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956748821] [2021-10-16 22:52:16,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956748821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:16,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:16,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:16,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654919407] [2021-10-16 22:52:16,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:16,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:16,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:16,465 INFO L87 Difference]: Start difference. First operand 11046 states and 21926 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:18,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:18,383 INFO L93 Difference]: Finished difference Result 17649 states and 34971 transitions. [2021-10-16 22:52:18,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:18,384 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:18,404 INFO L225 Difference]: With dead ends: 17649 [2021-10-16 22:52:18,405 INFO L226 Difference]: Without dead ends: 17649 [2021-10-16 22:52:18,405 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 273.2ms TimeCoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17649 states. [2021-10-16 22:52:18,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17649 to 11060. [2021-10-16 22:52:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9902094098449823) internal successors, (21954), 11059 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21954 transitions. [2021-10-16 22:52:18,539 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21954 transitions. Word has length 95 [2021-10-16 22:52:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:18,539 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21954 transitions. [2021-10-16 22:52:18,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21954 transitions. [2021-10-16 22:52:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:18,540 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:18,540 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:18,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-10-16 22:52:18,540 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:18,540 INFO L82 PathProgramCache]: Analyzing trace with hash 45107013, now seen corresponding path program 104 times [2021-10-16 22:52:18,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:18,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200640152] [2021-10-16 22:52:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:18,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:18,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:18,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200640152] [2021-10-16 22:52:18,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200640152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:18,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:18,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:18,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352257438] [2021-10-16 22:52:18,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:18,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:18,685 INFO L87 Difference]: Start difference. First operand 11060 states and 21954 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:21,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:21,123 INFO L93 Difference]: Finished difference Result 17725 states and 35123 transitions. [2021-10-16 22:52:21,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:52:21,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:21,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:21,144 INFO L225 Difference]: With dead ends: 17725 [2021-10-16 22:52:21,144 INFO L226 Difference]: Without dead ends: 17725 [2021-10-16 22:52:21,144 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 365.2ms TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:52:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17725 states. [2021-10-16 22:52:21,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17725 to 11058. [2021-10-16 22:52:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11058 states, 11029 states have (on average 1.9902076344183517) internal successors, (21950), 11057 states have internal predecessors, (21950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11058 states to 11058 states and 21950 transitions. [2021-10-16 22:52:21,278 INFO L78 Accepts]: Start accepts. Automaton has 11058 states and 21950 transitions. Word has length 95 [2021-10-16 22:52:21,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:21,278 INFO L470 AbstractCegarLoop]: Abstraction has 11058 states and 21950 transitions. [2021-10-16 22:52:21,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:21,278 INFO L276 IsEmpty]: Start isEmpty. Operand 11058 states and 21950 transitions. [2021-10-16 22:52:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:21,279 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:21,279 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:21,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-10-16 22:52:21,279 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:21,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:21,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1087727997, now seen corresponding path program 105 times [2021-10-16 22:52:21,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:21,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567201133] [2021-10-16 22:52:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:21,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:21,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:21,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567201133] [2021-10-16 22:52:21,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567201133] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:21,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:21,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:21,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314308202] [2021-10-16 22:52:21,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:21,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:21,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:21,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:21,412 INFO L87 Difference]: Start difference. First operand 11058 states and 21950 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:23,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:23,606 INFO L93 Difference]: Finished difference Result 17722 states and 35117 transitions. [2021-10-16 22:52:23,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:52:23,606 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:23,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:23,626 INFO L225 Difference]: With dead ends: 17722 [2021-10-16 22:52:23,626 INFO L226 Difference]: Without dead ends: 17722 [2021-10-16 22:52:23,626 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 345.7ms TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:52:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17722 states. [2021-10-16 22:52:23,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17722 to 11060. [2021-10-16 22:52:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9902094098449823) internal successors, (21954), 11059 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21954 transitions. [2021-10-16 22:52:23,784 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21954 transitions. Word has length 95 [2021-10-16 22:52:23,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:23,784 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21954 transitions. [2021-10-16 22:52:23,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21954 transitions. [2021-10-16 22:52:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:23,785 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:23,785 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:23,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-10-16 22:52:23,785 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:23,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:23,786 INFO L82 PathProgramCache]: Analyzing trace with hash -507923779, now seen corresponding path program 106 times [2021-10-16 22:52:23,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:23,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882563824] [2021-10-16 22:52:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:23,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:23,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:23,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882563824] [2021-10-16 22:52:23,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882563824] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:23,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:23,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:23,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136089287] [2021-10-16 22:52:23,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:23,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:23,931 INFO L87 Difference]: Start difference. First operand 11060 states and 21954 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:26,359 INFO L93 Difference]: Finished difference Result 17792 states and 35257 transitions. [2021-10-16 22:52:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:52:26,359 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:26,381 INFO L225 Difference]: With dead ends: 17792 [2021-10-16 22:52:26,381 INFO L226 Difference]: Without dead ends: 17792 [2021-10-16 22:52:26,382 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 337.0ms TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:52:26,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17792 states. [2021-10-16 22:52:26,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17792 to 11056. [2021-10-16 22:52:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11056 states, 11027 states have (on average 1.990205858347692) internal successors, (21946), 11055 states have internal predecessors, (21946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11056 states to 11056 states and 21946 transitions. [2021-10-16 22:52:26,520 INFO L78 Accepts]: Start accepts. Automaton has 11056 states and 21946 transitions. Word has length 95 [2021-10-16 22:52:26,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:26,521 INFO L470 AbstractCegarLoop]: Abstraction has 11056 states and 21946 transitions. [2021-10-16 22:52:26,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 11056 states and 21946 transitions. [2021-10-16 22:52:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:26,522 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:26,522 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:26,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-10-16 22:52:26,522 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:26,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:26,522 INFO L82 PathProgramCache]: Analyzing trace with hash 90662243, now seen corresponding path program 107 times [2021-10-16 22:52:26,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:26,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126237072] [2021-10-16 22:52:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:26,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:26,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:26,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126237072] [2021-10-16 22:52:26,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126237072] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:26,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:26,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:26,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027451397] [2021-10-16 22:52:26,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:26,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:26,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:26,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:26,658 INFO L87 Difference]: Start difference. First operand 11056 states and 21946 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:28,282 INFO L93 Difference]: Finished difference Result 17734 states and 35141 transitions. [2021-10-16 22:52:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:28,282 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:28,299 INFO L225 Difference]: With dead ends: 17734 [2021-10-16 22:52:28,299 INFO L226 Difference]: Without dead ends: 17734 [2021-10-16 22:52:28,300 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 330.2ms TimeCoverageRelationStatistics Valid=253, Invalid=803, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:28,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17734 states. [2021-10-16 22:52:28,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17734 to 11060. [2021-10-16 22:52:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9902094098449823) internal successors, (21954), 11059 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21954 transitions. [2021-10-16 22:52:28,425 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21954 transitions. Word has length 95 [2021-10-16 22:52:28,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:28,425 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21954 transitions. [2021-10-16 22:52:28,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:28,425 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21954 transitions. [2021-10-16 22:52:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:28,427 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:28,427 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:28,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-10-16 22:52:28,427 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:28,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:28,427 INFO L82 PathProgramCache]: Analyzing trace with hash 670466461, now seen corresponding path program 108 times [2021-10-16 22:52:28,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:28,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702995083] [2021-10-16 22:52:28,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:28,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:28,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:28,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702995083] [2021-10-16 22:52:28,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702995083] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:28,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:28,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:28,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140782683] [2021-10-16 22:52:28,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:28,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:28,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:28,580 INFO L87 Difference]: Start difference. First operand 11060 states and 21954 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:30,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:30,586 INFO L93 Difference]: Finished difference Result 17832 states and 35337 transitions. [2021-10-16 22:52:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:30,586 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:30,607 INFO L225 Difference]: With dead ends: 17832 [2021-10-16 22:52:30,607 INFO L226 Difference]: Without dead ends: 17832 [2021-10-16 22:52:30,607 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 345.7ms TimeCoverageRelationStatistics Valid=251, Invalid=805, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17832 states. [2021-10-16 22:52:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17832 to 11058. [2021-10-16 22:52:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11058 states, 11029 states have (on average 1.9902076344183517) internal successors, (21950), 11057 states have internal predecessors, (21950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11058 states to 11058 states and 21950 transitions. [2021-10-16 22:52:30,738 INFO L78 Accepts]: Start accepts. Automaton has 11058 states and 21950 transitions. Word has length 95 [2021-10-16 22:52:30,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:30,739 INFO L470 AbstractCegarLoop]: Abstraction has 11058 states and 21950 transitions. [2021-10-16 22:52:30,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 11058 states and 21950 transitions. [2021-10-16 22:52:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:30,740 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:30,740 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:30,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-10-16 22:52:30,740 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:30,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:30,740 INFO L82 PathProgramCache]: Analyzing trace with hash -371555579, now seen corresponding path program 109 times [2021-10-16 22:52:30,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:30,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67697298] [2021-10-16 22:52:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:30,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:30,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:30,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67697298] [2021-10-16 22:52:30,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67697298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:30,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:30,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:30,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220922068] [2021-10-16 22:52:30,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:30,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:30,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:30,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:30,873 INFO L87 Difference]: Start difference. First operand 11058 states and 21950 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:32,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:32,593 INFO L93 Difference]: Finished difference Result 17866 states and 35405 transitions. [2021-10-16 22:52:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:32,593 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:32,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:32,612 INFO L225 Difference]: With dead ends: 17866 [2021-10-16 22:52:32,612 INFO L226 Difference]: Without dead ends: 17866 [2021-10-16 22:52:32,613 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 313.1ms TimeCoverageRelationStatistics Valid=251, Invalid=805, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17866 states. [2021-10-16 22:52:32,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17866 to 11054. [2021-10-16 22:52:32,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11054 states, 11025 states have (on average 1.9902040816326532) internal successors, (21942), 11053 states have internal predecessors, (21942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11054 states to 11054 states and 21942 transitions. [2021-10-16 22:52:32,747 INFO L78 Accepts]: Start accepts. Automaton has 11054 states and 21942 transitions. Word has length 95 [2021-10-16 22:52:32,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:32,747 INFO L470 AbstractCegarLoop]: Abstraction has 11054 states and 21942 transitions. [2021-10-16 22:52:32,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 11054 states and 21942 transitions. [2021-10-16 22:52:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:32,748 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:32,748 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:32,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-10-16 22:52:32,748 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:32,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:32,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2130835483, now seen corresponding path program 110 times [2021-10-16 22:52:32,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:32,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884534356] [2021-10-16 22:52:32,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:32,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:32,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:32,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884534356] [2021-10-16 22:52:32,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884534356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:32,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:32,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:32,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361727279] [2021-10-16 22:52:32,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:32,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:32,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:32,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:32,888 INFO L87 Difference]: Start difference. First operand 11054 states and 21942 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:34,795 INFO L93 Difference]: Finished difference Result 20642 states and 40919 transitions. [2021-10-16 22:52:34,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:52:34,795 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:34,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:34,819 INFO L225 Difference]: With dead ends: 20642 [2021-10-16 22:52:34,819 INFO L226 Difference]: Without dead ends: 20642 [2021-10-16 22:52:34,819 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 365.8ms TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:52:34,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20642 states. [2021-10-16 22:52:34,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20642 to 11066. [2021-10-16 22:52:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11066 states, 11037 states have (on average 1.9902147322642023) internal successors, (21966), 11065 states have internal predecessors, (21966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11066 states to 11066 states and 21966 transitions. [2021-10-16 22:52:34,971 INFO L78 Accepts]: Start accepts. Automaton has 11066 states and 21966 transitions. Word has length 95 [2021-10-16 22:52:34,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:34,972 INFO L470 AbstractCegarLoop]: Abstraction has 11066 states and 21966 transitions. [2021-10-16 22:52:34,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 11066 states and 21966 transitions. [2021-10-16 22:52:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:34,973 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:34,973 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:34,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-10-16 22:52:34,973 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:34,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:34,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1551031265, now seen corresponding path program 111 times [2021-10-16 22:52:34,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:34,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317037388] [2021-10-16 22:52:34,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:34,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:35,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:35,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317037388] [2021-10-16 22:52:35,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317037388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:35,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:35,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:35,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759622553] [2021-10-16 22:52:35,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:35,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:35,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:35,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:35,100 INFO L87 Difference]: Start difference. First operand 11066 states and 21966 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:37,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:37,271 INFO L93 Difference]: Finished difference Result 20740 states and 41115 transitions. [2021-10-16 22:52:37,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:52:37,271 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:37,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:37,295 INFO L225 Difference]: With dead ends: 20740 [2021-10-16 22:52:37,295 INFO L226 Difference]: Without dead ends: 20740 [2021-10-16 22:52:37,296 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 342.4ms TimeCoverageRelationStatistics Valid=307, Invalid=1025, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:52:37,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20740 states. [2021-10-16 22:52:37,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20740 to 11064. [2021-10-16 22:52:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11064 states, 11035 states have (on average 1.9902129587675577) internal successors, (21962), 11063 states have internal predecessors, (21962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11064 states to 11064 states and 21962 transitions. [2021-10-16 22:52:37,446 INFO L78 Accepts]: Start accepts. Automaton has 11064 states and 21962 transitions. Word has length 95 [2021-10-16 22:52:37,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:37,446 INFO L470 AbstractCegarLoop]: Abstraction has 11064 states and 21962 transitions. [2021-10-16 22:52:37,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 11064 states and 21962 transitions. [2021-10-16 22:52:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:37,447 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:37,447 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:37,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-10-16 22:52:37,447 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:37,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:37,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1701913991, now seen corresponding path program 112 times [2021-10-16 22:52:37,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:37,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082748454] [2021-10-16 22:52:37,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:37,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:37,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:37,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082748454] [2021-10-16 22:52:37,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082748454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:37,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:37,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:37,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468892250] [2021-10-16 22:52:37,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:37,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:37,571 INFO L87 Difference]: Start difference. First operand 11064 states and 21962 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:39,246 INFO L93 Difference]: Finished difference Result 20812 states and 41259 transitions. [2021-10-16 22:52:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:52:39,246 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:39,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:39,270 INFO L225 Difference]: With dead ends: 20812 [2021-10-16 22:52:39,270 INFO L226 Difference]: Without dead ends: 20812 [2021-10-16 22:52:39,270 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 336.8ms TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:52:39,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20812 states. [2021-10-16 22:52:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20812 to 11062. [2021-10-16 22:52:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11033 states have (on average 1.9902111846279344) internal successors, (21958), 11061 states have internal predecessors, (21958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:39,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 21958 transitions. [2021-10-16 22:52:39,448 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 21958 transitions. Word has length 95 [2021-10-16 22:52:39,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:39,448 INFO L470 AbstractCegarLoop]: Abstraction has 11062 states and 21958 transitions. [2021-10-16 22:52:39,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 21958 transitions. [2021-10-16 22:52:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:39,449 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:39,449 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:39,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-10-16 22:52:39,449 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:39,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:39,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1620015363, now seen corresponding path program 113 times [2021-10-16 22:52:39,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:39,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904185228] [2021-10-16 22:52:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:39,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:39,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:39,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904185228] [2021-10-16 22:52:39,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904185228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:39,569 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:39,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:39,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268797114] [2021-10-16 22:52:39,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:39,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:39,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:39,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:39,570 INFO L87 Difference]: Start difference. First operand 11062 states and 21958 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:41,689 INFO L93 Difference]: Finished difference Result 20474 states and 40583 transitions. [2021-10-16 22:52:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:52:41,690 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:41,713 INFO L225 Difference]: With dead ends: 20474 [2021-10-16 22:52:41,713 INFO L226 Difference]: Without dead ends: 20474 [2021-10-16 22:52:41,714 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 339.3ms TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:52:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20474 states. [2021-10-16 22:52:41,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20474 to 11098. [2021-10-16 22:52:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11098 states, 11069 states have (on average 1.9903333634474658) internal successors, (22031), 11097 states have internal predecessors, (22031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11098 states to 11098 states and 22031 transitions. [2021-10-16 22:52:41,858 INFO L78 Accepts]: Start accepts. Automaton has 11098 states and 22031 transitions. Word has length 95 [2021-10-16 22:52:41,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:41,858 INFO L470 AbstractCegarLoop]: Abstraction has 11098 states and 22031 transitions. [2021-10-16 22:52:41,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand 11098 states and 22031 transitions. [2021-10-16 22:52:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:41,859 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:41,859 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:41,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-10-16 22:52:41,859 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:41,860 INFO L82 PathProgramCache]: Analyzing trace with hash -145780874, now seen corresponding path program 17 times [2021-10-16 22:52:41,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:41,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640079683] [2021-10-16 22:52:41,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:41,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:41,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:41,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:41,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640079683] [2021-10-16 22:52:41,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640079683] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:41,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:41,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:41,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822310591] [2021-10-16 22:52:41,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:41,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:41,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:41,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:41,963 INFO L87 Difference]: Start difference. First operand 11098 states and 22031 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:44,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:44,616 INFO L93 Difference]: Finished difference Result 20426 states and 40477 transitions. [2021-10-16 22:52:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:52:44,617 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:44,638 INFO L225 Difference]: With dead ends: 20426 [2021-10-16 22:52:44,638 INFO L226 Difference]: Without dead ends: 20426 [2021-10-16 22:52:44,639 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 394.1ms TimeCoverageRelationStatistics Valid=446, Invalid=1906, Unknown=0, NotChecked=0, Total=2352 [2021-10-16 22:52:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20426 states. [2021-10-16 22:52:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20426 to 10978. [2021-10-16 22:52:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10978 states, 10949 states have (on average 1.989862087861905) internal successors, (21787), 10977 states have internal predecessors, (21787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10978 states to 10978 states and 21787 transitions. [2021-10-16 22:52:44,777 INFO L78 Accepts]: Start accepts. Automaton has 10978 states and 21787 transitions. Word has length 95 [2021-10-16 22:52:44,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:44,778 INFO L470 AbstractCegarLoop]: Abstraction has 10978 states and 21787 transitions. [2021-10-16 22:52:44,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:44,778 INFO L276 IsEmpty]: Start isEmpty. Operand 10978 states and 21787 transitions. [2021-10-16 22:52:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:44,779 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:44,779 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:44,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-10-16 22:52:44,779 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:44,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:44,779 INFO L82 PathProgramCache]: Analyzing trace with hash 605016197, now seen corresponding path program 114 times [2021-10-16 22:52:44,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:44,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870728609] [2021-10-16 22:52:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:44,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:44,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:44,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870728609] [2021-10-16 22:52:44,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870728609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:44,927 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:44,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:44,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674584976] [2021-10-16 22:52:44,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:44,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:44,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:44,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:44,928 INFO L87 Difference]: Start difference. First operand 10978 states and 21787 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:46,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:46,052 INFO L93 Difference]: Finished difference Result 11708 states and 23167 transitions. [2021-10-16 22:52:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-16 22:52:46,052 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:46,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:46,064 INFO L225 Difference]: With dead ends: 11708 [2021-10-16 22:52:46,064 INFO L226 Difference]: Without dead ends: 11708 [2021-10-16 22:52:46,064 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 221.0ms TimeCoverageRelationStatistics Valid=185, Invalid=627, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:52:46,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11708 states. [2021-10-16 22:52:46,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11708 to 10990. [2021-10-16 22:52:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10990 states, 10961 states have (on average 1.9898731867530335) internal successors, (21811), 10989 states have internal predecessors, (21811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10990 states to 10990 states and 21811 transitions. [2021-10-16 22:52:46,167 INFO L78 Accepts]: Start accepts. Automaton has 10990 states and 21811 transitions. Word has length 95 [2021-10-16 22:52:46,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:46,167 INFO L470 AbstractCegarLoop]: Abstraction has 10990 states and 21811 transitions. [2021-10-16 22:52:46,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 10990 states and 21811 transitions. [2021-10-16 22:52:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:46,168 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:46,168 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:46,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-10-16 22:52:46,168 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:46,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:46,168 INFO L82 PathProgramCache]: Analyzing trace with hash 215972847, now seen corresponding path program 115 times [2021-10-16 22:52:46,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:46,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376779913] [2021-10-16 22:52:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:46,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:46,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:46,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376779913] [2021-10-16 22:52:46,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376779913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:46,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:46,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:46,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044444548] [2021-10-16 22:52:46,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:46,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:46,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:46,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:46,319 INFO L87 Difference]: Start difference. First operand 10990 states and 21811 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:47,782 INFO L93 Difference]: Finished difference Result 11758 states and 23267 transitions. [2021-10-16 22:52:47,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:52:47,782 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:47,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:47,793 INFO L225 Difference]: With dead ends: 11758 [2021-10-16 22:52:47,794 INFO L226 Difference]: Without dead ends: 11758 [2021-10-16 22:52:47,794 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 274.7ms TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:52:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2021-10-16 22:52:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 10992. [2021-10-16 22:52:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10992 states, 10963 states have (on average 1.9898750342059655) internal successors, (21815), 10991 states have internal predecessors, (21815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10992 states to 10992 states and 21815 transitions. [2021-10-16 22:52:47,895 INFO L78 Accepts]: Start accepts. Automaton has 10992 states and 21815 transitions. Word has length 95 [2021-10-16 22:52:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:47,895 INFO L470 AbstractCegarLoop]: Abstraction has 10992 states and 21815 transitions. [2021-10-16 22:52:47,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10992 states and 21815 transitions. [2021-10-16 22:52:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:47,896 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:47,896 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:47,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-10-16 22:52:47,896 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:47,896 INFO L82 PathProgramCache]: Analyzing trace with hash -713702217, now seen corresponding path program 116 times [2021-10-16 22:52:47,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:47,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476197974] [2021-10-16 22:52:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:47,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:48,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:48,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476197974] [2021-10-16 22:52:48,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476197974] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:48,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:48,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:48,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501444694] [2021-10-16 22:52:48,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:48,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:48,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:48,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:48,047 INFO L87 Difference]: Start difference. First operand 10992 states and 21815 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:49,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:49,476 INFO L93 Difference]: Finished difference Result 11786 states and 23323 transitions. [2021-10-16 22:52:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:49,476 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:49,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:49,488 INFO L225 Difference]: With dead ends: 11786 [2021-10-16 22:52:49,488 INFO L226 Difference]: Without dead ends: 11786 [2021-10-16 22:52:49,489 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 331.8ms TimeCoverageRelationStatistics Valid=227, Invalid=829, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11786 states. [2021-10-16 22:52:49,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11786 to 11006. [2021-10-16 22:52:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11006 states, 10977 states have (on average 1.9899790470984786) internal successors, (21844), 11005 states have internal predecessors, (21844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 21844 transitions. [2021-10-16 22:52:49,592 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 21844 transitions. Word has length 95 [2021-10-16 22:52:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:49,592 INFO L470 AbstractCegarLoop]: Abstraction has 11006 states and 21844 transitions. [2021-10-16 22:52:49,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 21844 transitions. [2021-10-16 22:52:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:49,593 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:49,593 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:49,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-10-16 22:52:49,593 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1328402333, now seen corresponding path program 117 times [2021-10-16 22:52:49,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:49,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141858191] [2021-10-16 22:52:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:49,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:49,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:49,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141858191] [2021-10-16 22:52:49,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141858191] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:49,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:49,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:49,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552775934] [2021-10-16 22:52:49,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:49,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:49,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:49,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:49,740 INFO L87 Difference]: Start difference. First operand 11006 states and 21844 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:50,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:50,874 INFO L93 Difference]: Finished difference Result 11757 states and 23266 transitions. [2021-10-16 22:52:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:52:50,874 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:50,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:50,886 INFO L225 Difference]: With dead ends: 11757 [2021-10-16 22:52:50,886 INFO L226 Difference]: Without dead ends: 11757 [2021-10-16 22:52:50,886 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 287.3ms TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:52:50,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11757 states. [2021-10-16 22:52:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11757 to 11010. [2021-10-16 22:52:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 10981 states have (on average 1.9899826973863948) internal successors, (21852), 11009 states have internal predecessors, (21852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 21852 transitions. [2021-10-16 22:52:51,012 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 21852 transitions. Word has length 95 [2021-10-16 22:52:51,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:51,012 INFO L470 AbstractCegarLoop]: Abstraction has 11010 states and 21852 transitions. [2021-10-16 22:52:51,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 21852 transitions. [2021-10-16 22:52:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:51,013 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:51,013 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:51,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-10-16 22:52:51,013 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:51,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:51,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2036889899, now seen corresponding path program 118 times [2021-10-16 22:52:51,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:51,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602232818] [2021-10-16 22:52:51,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:51,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:51,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:51,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602232818] [2021-10-16 22:52:51,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602232818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:51,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:51,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:51,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911628216] [2021-10-16 22:52:51,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:51,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:51,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:51,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:51,164 INFO L87 Difference]: Start difference. First operand 11010 states and 21852 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:52,570 INFO L93 Difference]: Finished difference Result 11833 states and 23418 transitions. [2021-10-16 22:52:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:52:52,570 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:52,582 INFO L225 Difference]: With dead ends: 11833 [2021-10-16 22:52:52,582 INFO L226 Difference]: Without dead ends: 11833 [2021-10-16 22:52:52,583 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 348.5ms TimeCoverageRelationStatistics Valid=244, Invalid=878, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:52:52,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11833 states. [2021-10-16 22:52:52,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11833 to 11008. [2021-10-16 22:52:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 10979 states have (on average 1.9899808725749157) internal successors, (21848), 11007 states have internal predecessors, (21848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 21848 transitions. [2021-10-16 22:52:52,687 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 21848 transitions. Word has length 95 [2021-10-16 22:52:52,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:52,687 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 21848 transitions. [2021-10-16 22:52:52,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 21848 transitions. [2021-10-16 22:52:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:52,688 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:52,688 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:52,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-10-16 22:52:52,688 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:52,688 INFO L82 PathProgramCache]: Analyzing trace with hash 904054889, now seen corresponding path program 119 times [2021-10-16 22:52:52,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:52,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505317659] [2021-10-16 22:52:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:52,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:52,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:52,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:52,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505317659] [2021-10-16 22:52:52,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505317659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:52,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:52,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:52,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314033617] [2021-10-16 22:52:52,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:52,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:52,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:52,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:52,834 INFO L87 Difference]: Start difference. First operand 11008 states and 21848 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:54,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:54,446 INFO L93 Difference]: Finished difference Result 11795 states and 23342 transitions. [2021-10-16 22:52:54,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:54,447 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:54,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:54,459 INFO L225 Difference]: With dead ends: 11795 [2021-10-16 22:52:54,459 INFO L226 Difference]: Without dead ends: 11795 [2021-10-16 22:52:54,459 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 362.2ms TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11795 states. [2021-10-16 22:52:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11795 to 11010. [2021-10-16 22:52:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 10981 states have (on average 1.9899826973863948) internal successors, (21852), 11009 states have internal predecessors, (21852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 21852 transitions. [2021-10-16 22:52:54,592 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 21852 transitions. Word has length 95 [2021-10-16 22:52:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:54,592 INFO L470 AbstractCegarLoop]: Abstraction has 11010 states and 21852 transitions. [2021-10-16 22:52:54,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 21852 transitions. [2021-10-16 22:52:54,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:54,593 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:54,593 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:54,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-10-16 22:52:54,593 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:54,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:54,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1483859107, now seen corresponding path program 120 times [2021-10-16 22:52:54,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:54,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265540359] [2021-10-16 22:52:54,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:54,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:54,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:54,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265540359] [2021-10-16 22:52:54,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265540359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:54,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:54,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:54,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029739752] [2021-10-16 22:52:54,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:54,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:54,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:54,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:54,735 INFO L87 Difference]: Start difference. First operand 11010 states and 21852 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:56,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:56,640 INFO L93 Difference]: Finished difference Result 11853 states and 23457 transitions. [2021-10-16 22:52:56,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:56,640 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:56,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:56,652 INFO L225 Difference]: With dead ends: 11853 [2021-10-16 22:52:56,652 INFO L226 Difference]: Without dead ends: 11853 [2021-10-16 22:52:56,652 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 325.7ms TimeCoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11853 states. [2021-10-16 22:52:56,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11853 to 11022. [2021-10-16 22:52:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11022 states, 10993 states have (on average 1.9900845992904577) internal successors, (21877), 11021 states have internal predecessors, (21877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 21877 transitions. [2021-10-16 22:52:56,756 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 21877 transitions. Word has length 95 [2021-10-16 22:52:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:56,756 INFO L470 AbstractCegarLoop]: Abstraction has 11022 states and 21877 transitions. [2021-10-16 22:52:56,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 21877 transitions. [2021-10-16 22:52:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:56,757 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:56,757 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:56,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-10-16 22:52:56,757 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:56,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1913088913, now seen corresponding path program 121 times [2021-10-16 22:52:56,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:56,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496716495] [2021-10-16 22:52:56,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:56,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:56,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:56,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496716495] [2021-10-16 22:52:56,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496716495] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:56,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:56,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:56,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911184729] [2021-10-16 22:52:56,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:56,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:56,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:56,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:56,902 INFO L87 Difference]: Start difference. First operand 11022 states and 21877 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:52:58,475 INFO L93 Difference]: Finished difference Result 11781 states and 23315 transitions. [2021-10-16 22:52:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:52:58,476 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:52:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:52:58,489 INFO L225 Difference]: With dead ends: 11781 [2021-10-16 22:52:58,490 INFO L226 Difference]: Without dead ends: 11781 [2021-10-16 22:52:58,490 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 298.3ms TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:52:58,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11781 states. [2021-10-16 22:52:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11781 to 11028. [2021-10-16 22:52:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.990090008182562) internal successors, (21889), 11027 states have internal predecessors, (21889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:58,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21889 transitions. [2021-10-16 22:52:58,628 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21889 transitions. Word has length 95 [2021-10-16 22:52:58,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:52:58,629 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21889 transitions. [2021-10-16 22:52:58,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:52:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21889 transitions. [2021-10-16 22:52:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:52:58,630 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:52:58,630 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:52:58,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-10-16 22:52:58,630 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:52:58,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:52:58,630 INFO L82 PathProgramCache]: Analyzing trace with hash 983413849, now seen corresponding path program 122 times [2021-10-16 22:52:58,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:52:58,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125225520] [2021-10-16 22:52:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:52:58,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:52:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:52:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:52:58,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:52:58,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125225520] [2021-10-16 22:52:58,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125225520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:52:58,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:52:58,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:52:58,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759214879] [2021-10-16 22:52:58,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:52:58,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:52:58,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:52:58,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:52:58,772 INFO L87 Difference]: Start difference. First operand 11028 states and 21889 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:00,471 INFO L93 Difference]: Finished difference Result 11857 states and 23467 transitions. [2021-10-16 22:53:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:53:00,471 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:00,483 INFO L225 Difference]: With dead ends: 11857 [2021-10-16 22:53:00,483 INFO L226 Difference]: Without dead ends: 11857 [2021-10-16 22:53:00,483 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 357.0ms TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:53:00,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11857 states. [2021-10-16 22:53:00,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11857 to 11026. [2021-10-16 22:53:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11026 states, 10997 states have (on average 1.9900882058743294) internal successors, (21885), 11025 states have internal predecessors, (21885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11026 states to 11026 states and 21885 transitions. [2021-10-16 22:53:00,590 INFO L78 Accepts]: Start accepts. Automaton has 11026 states and 21885 transitions. Word has length 95 [2021-10-16 22:53:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:00,590 INFO L470 AbstractCegarLoop]: Abstraction has 11026 states and 21885 transitions. [2021-10-16 22:53:00,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 11026 states and 21885 transitions. [2021-10-16 22:53:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:00,591 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:00,591 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:00,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-10-16 22:53:00,591 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:00,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:00,591 INFO L82 PathProgramCache]: Analyzing trace with hash -149421161, now seen corresponding path program 123 times [2021-10-16 22:53:00,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:00,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166997609] [2021-10-16 22:53:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:00,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:00,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:00,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166997609] [2021-10-16 22:53:00,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166997609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:00,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:00,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:00,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341981760] [2021-10-16 22:53:00,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:00,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:00,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:00,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:00,753 INFO L87 Difference]: Start difference. First operand 11026 states and 21885 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:02,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:02,523 INFO L93 Difference]: Finished difference Result 11859 states and 23471 transitions. [2021-10-16 22:53:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:02,523 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:02,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:02,536 INFO L225 Difference]: With dead ends: 11859 [2021-10-16 22:53:02,536 INFO L226 Difference]: Without dead ends: 11859 [2021-10-16 22:53:02,536 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 365.0ms TimeCoverageRelationStatistics Valid=241, Invalid=881, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:02,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11859 states. [2021-10-16 22:53:02,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11859 to 11028. [2021-10-16 22:53:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.990090008182562) internal successors, (21889), 11027 states have internal predecessors, (21889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21889 transitions. [2021-10-16 22:53:02,657 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21889 transitions. Word has length 95 [2021-10-16 22:53:02,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:02,657 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21889 transitions. [2021-10-16 22:53:02,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21889 transitions. [2021-10-16 22:53:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:02,658 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:02,658 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:02,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-10-16 22:53:02,658 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:02,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:02,658 INFO L82 PathProgramCache]: Analyzing trace with hash 430383057, now seen corresponding path program 124 times [2021-10-16 22:53:02,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:02,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003674012] [2021-10-16 22:53:02,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:02,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:02,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:02,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003674012] [2021-10-16 22:53:02,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003674012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:02,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:02,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:02,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035267266] [2021-10-16 22:53:02,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:02,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:02,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:02,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:02,796 INFO L87 Difference]: Start difference. First operand 11028 states and 21889 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:04,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:04,732 INFO L93 Difference]: Finished difference Result 11929 states and 23611 transitions. [2021-10-16 22:53:04,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:04,732 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:04,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:04,744 INFO L225 Difference]: With dead ends: 11929 [2021-10-16 22:53:04,744 INFO L226 Difference]: Without dead ends: 11929 [2021-10-16 22:53:04,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 334.7ms TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2021-10-16 22:53:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 11024. [2021-10-16 22:53:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11024 states, 10995 states have (on average 1.9900864029104137) internal successors, (21881), 11023 states have internal predecessors, (21881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11024 states to 11024 states and 21881 transitions. [2021-10-16 22:53:04,853 INFO L78 Accepts]: Start accepts. Automaton has 11024 states and 21881 transitions. Word has length 95 [2021-10-16 22:53:04,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:04,853 INFO L470 AbstractCegarLoop]: Abstraction has 11024 states and 21881 transitions. [2021-10-16 22:53:04,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11024 states and 21881 transitions. [2021-10-16 22:53:04,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:04,854 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:04,854 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:04,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-10-16 22:53:04,854 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:04,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:04,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1028969079, now seen corresponding path program 125 times [2021-10-16 22:53:04,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:04,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061548101] [2021-10-16 22:53:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:04,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:04,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:04,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061548101] [2021-10-16 22:53:04,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061548101] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:04,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:04,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:04,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049062868] [2021-10-16 22:53:04,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:04,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:04,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:04,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:04,991 INFO L87 Difference]: Start difference. First operand 11024 states and 21881 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:06,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:06,706 INFO L93 Difference]: Finished difference Result 11817 states and 23387 transitions. [2021-10-16 22:53:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:53:06,706 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:06,716 INFO L225 Difference]: With dead ends: 11817 [2021-10-16 22:53:06,717 INFO L226 Difference]: Without dead ends: 11817 [2021-10-16 22:53:06,717 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 328.5ms TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:53:06,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11817 states. [2021-10-16 22:53:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11817 to 11028. [2021-10-16 22:53:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.990090008182562) internal successors, (21889), 11027 states have internal predecessors, (21889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21889 transitions. [2021-10-16 22:53:06,818 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21889 transitions. Word has length 95 [2021-10-16 22:53:06,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:06,818 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21889 transitions. [2021-10-16 22:53:06,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21889 transitions. [2021-10-16 22:53:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:06,819 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:06,819 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:06,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-10-16 22:53:06,820 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:06,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:06,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1608773297, now seen corresponding path program 126 times [2021-10-16 22:53:06,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:06,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086593229] [2021-10-16 22:53:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:06,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:06,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:06,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086593229] [2021-10-16 22:53:06,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086593229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:06,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:06,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:06,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040811327] [2021-10-16 22:53:06,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:06,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:06,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:06,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:06,964 INFO L87 Difference]: Start difference. First operand 11028 states and 21889 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:08,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:08,677 INFO L93 Difference]: Finished difference Result 11915 states and 23583 transitions. [2021-10-16 22:53:08,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:53:08,677 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:08,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:08,689 INFO L225 Difference]: With dead ends: 11915 [2021-10-16 22:53:08,690 INFO L226 Difference]: Without dead ends: 11915 [2021-10-16 22:53:08,690 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 328.1ms TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:53:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11915 states. [2021-10-16 22:53:08,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11915 to 11026. [2021-10-16 22:53:08,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11026 states, 10997 states have (on average 1.9900882058743294) internal successors, (21885), 11025 states have internal predecessors, (21885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11026 states to 11026 states and 21885 transitions. [2021-10-16 22:53:08,793 INFO L78 Accepts]: Start accepts. Automaton has 11026 states and 21885 transitions. Word has length 95 [2021-10-16 22:53:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:08,794 INFO L470 AbstractCegarLoop]: Abstraction has 11026 states and 21885 transitions. [2021-10-16 22:53:08,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11026 states and 21885 transitions. [2021-10-16 22:53:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:08,795 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:08,795 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:08,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-10-16 22:53:08,795 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:08,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:08,795 INFO L82 PathProgramCache]: Analyzing trace with hash 566751257, now seen corresponding path program 127 times [2021-10-16 22:53:08,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:08,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530101966] [2021-10-16 22:53:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:08,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:08,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:08,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530101966] [2021-10-16 22:53:08,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530101966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:08,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:08,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:08,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079430112] [2021-10-16 22:53:08,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:08,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:08,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:08,926 INFO L87 Difference]: Start difference. First operand 11026 states and 21885 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:10,626 INFO L93 Difference]: Finished difference Result 11929 states and 23609 transitions. [2021-10-16 22:53:10,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:53:10,627 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:10,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:10,636 INFO L225 Difference]: With dead ends: 11929 [2021-10-16 22:53:10,636 INFO L226 Difference]: Without dead ends: 11929 [2021-10-16 22:53:10,636 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 305.5ms TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:53:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2021-10-16 22:53:10,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 11038. [2021-10-16 22:53:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11038 states, 11009 states have (on average 1.9901898446725406) internal successors, (21910), 11037 states have internal predecessors, (21910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11038 states to 11038 states and 21910 transitions. [2021-10-16 22:53:10,731 INFO L78 Accepts]: Start accepts. Automaton has 11038 states and 21910 transitions. Word has length 95 [2021-10-16 22:53:10,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:10,731 INFO L470 AbstractCegarLoop]: Abstraction has 11038 states and 21910 transitions. [2021-10-16 22:53:10,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 11038 states and 21910 transitions. [2021-10-16 22:53:10,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:10,732 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:10,732 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:10,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-10-16 22:53:10,732 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:10,732 INFO L82 PathProgramCache]: Analyzing trace with hash -892053183, now seen corresponding path program 128 times [2021-10-16 22:53:10,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:10,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661151435] [2021-10-16 22:53:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:10,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:10,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:10,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661151435] [2021-10-16 22:53:10,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661151435] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:10,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:10,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:10,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711124201] [2021-10-16 22:53:10,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:10,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:10,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:10,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:10,886 INFO L87 Difference]: Start difference. First operand 11038 states and 21910 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:12,753 INFO L93 Difference]: Finished difference Result 17844 states and 35358 transitions. [2021-10-16 22:53:12,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:12,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:12,774 INFO L225 Difference]: With dead ends: 17844 [2021-10-16 22:53:12,774 INFO L226 Difference]: Without dead ends: 17844 [2021-10-16 22:53:12,774 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 274.3ms TimeCoverageRelationStatistics Valid=268, Invalid=854, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17844 states. [2021-10-16 22:53:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17844 to 11052. [2021-10-16 22:53:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11052 states, 11023 states have (on average 1.990202304272884) internal successors, (21938), 11051 states have internal predecessors, (21938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 11052 states and 21938 transitions. [2021-10-16 22:53:12,907 INFO L78 Accepts]: Start accepts. Automaton has 11052 states and 21938 transitions. Word has length 95 [2021-10-16 22:53:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:12,907 INFO L470 AbstractCegarLoop]: Abstraction has 11052 states and 21938 transitions. [2021-10-16 22:53:12,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 11052 states and 21938 transitions. [2021-10-16 22:53:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:12,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:12,908 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:12,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-10-16 22:53:12,909 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:12,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:12,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1821728247, now seen corresponding path program 129 times [2021-10-16 22:53:12,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:12,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067218175] [2021-10-16 22:53:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:12,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:13,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:13,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067218175] [2021-10-16 22:53:13,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067218175] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:13,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:13,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:13,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729652373] [2021-10-16 22:53:13,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:13,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:13,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:13,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:13,050 INFO L87 Difference]: Start difference. First operand 11052 states and 21938 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:15,335 INFO L93 Difference]: Finished difference Result 17920 states and 35510 transitions. [2021-10-16 22:53:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:53:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:15,354 INFO L225 Difference]: With dead ends: 17920 [2021-10-16 22:53:15,354 INFO L226 Difference]: Without dead ends: 17920 [2021-10-16 22:53:15,354 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 341.6ms TimeCoverageRelationStatistics Valid=293, Invalid=967, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:53:15,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17920 states. [2021-10-16 22:53:15,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17920 to 11050. [2021-10-16 22:53:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9902005262680338) internal successors, (21934), 11049 states have internal predecessors, (21934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21934 transitions. [2021-10-16 22:53:15,483 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21934 transitions. Word has length 95 [2021-10-16 22:53:15,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:15,484 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21934 transitions. [2021-10-16 22:53:15,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21934 transitions. [2021-10-16 22:53:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:15,485 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:15,485 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:15,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-10-16 22:53:15,485 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:15,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:15,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1340404039, now seen corresponding path program 130 times [2021-10-16 22:53:15,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:15,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545952300] [2021-10-16 22:53:15,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:15,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:15,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:15,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545952300] [2021-10-16 22:53:15,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545952300] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:15,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:15,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:15,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973822876] [2021-10-16 22:53:15,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:15,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:15,619 INFO L87 Difference]: Start difference. First operand 11050 states and 21934 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:17,694 INFO L93 Difference]: Finished difference Result 17917 states and 35504 transitions. [2021-10-16 22:53:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:53:17,694 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:17,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:17,714 INFO L225 Difference]: With dead ends: 17917 [2021-10-16 22:53:17,715 INFO L226 Difference]: Without dead ends: 17917 [2021-10-16 22:53:17,715 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 336.5ms TimeCoverageRelationStatistics Valid=266, Invalid=924, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:53:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17917 states. [2021-10-16 22:53:17,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17917 to 11052. [2021-10-16 22:53:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11052 states, 11023 states have (on average 1.990202304272884) internal successors, (21938), 11051 states have internal predecessors, (21938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 11052 states and 21938 transitions. [2021-10-16 22:53:17,846 INFO L78 Accepts]: Start accepts. Automaton has 11052 states and 21938 transitions. Word has length 95 [2021-10-16 22:53:17,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:17,847 INFO L470 AbstractCegarLoop]: Abstraction has 11052 states and 21938 transitions. [2021-10-16 22:53:17,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:17,847 INFO L276 IsEmpty]: Start isEmpty. Operand 11052 states and 21938 transitions. [2021-10-16 22:53:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:17,848 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:17,848 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:17,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-10-16 22:53:17,848 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:17,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1920208257, now seen corresponding path program 131 times [2021-10-16 22:53:17,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:17,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825889332] [2021-10-16 22:53:17,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:17,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:17,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:17,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825889332] [2021-10-16 22:53:17,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825889332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:17,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:17,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:17,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234262477] [2021-10-16 22:53:17,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:17,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:17,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:17,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:17,983 INFO L87 Difference]: Start difference. First operand 11052 states and 21938 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:20,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:20,387 INFO L93 Difference]: Finished difference Result 17987 states and 35644 transitions. [2021-10-16 22:53:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:53:20,387 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:20,407 INFO L225 Difference]: With dead ends: 17987 [2021-10-16 22:53:20,407 INFO L226 Difference]: Without dead ends: 17987 [2021-10-16 22:53:20,408 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 324.7ms TimeCoverageRelationStatistics Valid=265, Invalid=925, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:53:20,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17987 states. [2021-10-16 22:53:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17987 to 11048. [2021-10-16 22:53:20,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9901987476177512) internal successors, (21930), 11047 states have internal predecessors, (21930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21930 transitions. [2021-10-16 22:53:20,539 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21930 transitions. Word has length 95 [2021-10-16 22:53:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:20,539 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21930 transitions. [2021-10-16 22:53:20,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21930 transitions. [2021-10-16 22:53:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:20,540 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:20,540 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:20,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-10-16 22:53:20,540 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:20,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1776173017, now seen corresponding path program 132 times [2021-10-16 22:53:20,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:20,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156733494] [2021-10-16 22:53:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:20,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:20,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:20,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156733494] [2021-10-16 22:53:20,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156733494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:20,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:20,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:20,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393148427] [2021-10-16 22:53:20,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:20,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:20,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:20,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:20,677 INFO L87 Difference]: Start difference. First operand 11048 states and 21930 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:22,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:22,439 INFO L93 Difference]: Finished difference Result 17929 states and 35528 transitions. [2021-10-16 22:53:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:22,440 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:22,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:22,460 INFO L225 Difference]: With dead ends: 17929 [2021-10-16 22:53:22,460 INFO L226 Difference]: Without dead ends: 17929 [2021-10-16 22:53:22,460 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 328.1ms TimeCoverageRelationStatistics Valid=244, Invalid=878, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:22,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17929 states. [2021-10-16 22:53:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17929 to 11052. [2021-10-16 22:53:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11052 states, 11023 states have (on average 1.990202304272884) internal successors, (21938), 11051 states have internal predecessors, (21938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:22,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11052 states to 11052 states and 21938 transitions. [2021-10-16 22:53:22,612 INFO L78 Accepts]: Start accepts. Automaton has 11052 states and 21938 transitions. Word has length 95 [2021-10-16 22:53:22,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:22,612 INFO L470 AbstractCegarLoop]: Abstraction has 11052 states and 21938 transitions. [2021-10-16 22:53:22,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 11052 states and 21938 transitions. [2021-10-16 22:53:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:22,613 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:22,613 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:22,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-10-16 22:53:22,613 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:22,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:22,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1196368799, now seen corresponding path program 133 times [2021-10-16 22:53:22,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:22,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770796851] [2021-10-16 22:53:22,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:22,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:22,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:22,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770796851] [2021-10-16 22:53:22,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770796851] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:22,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:22,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:22,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305180083] [2021-10-16 22:53:22,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:22,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:22,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:22,752 INFO L87 Difference]: Start difference. First operand 11052 states and 21938 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:24,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:24,866 INFO L93 Difference]: Finished difference Result 18027 states and 35724 transitions. [2021-10-16 22:53:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:24,866 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:24,886 INFO L225 Difference]: With dead ends: 18027 [2021-10-16 22:53:24,887 INFO L226 Difference]: Without dead ends: 18027 [2021-10-16 22:53:24,887 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 317.1ms TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:24,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18027 states. [2021-10-16 22:53:24,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18027 to 11050. [2021-10-16 22:53:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9902005262680338) internal successors, (21934), 11049 states have internal predecessors, (21934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21934 transitions. [2021-10-16 22:53:25,018 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21934 transitions. Word has length 95 [2021-10-16 22:53:25,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:25,018 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21934 transitions. [2021-10-16 22:53:25,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21934 transitions. [2021-10-16 22:53:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:25,019 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:25,019 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:25,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-10-16 22:53:25,020 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:25,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:25,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2056576457, now seen corresponding path program 134 times [2021-10-16 22:53:25,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:25,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335694113] [2021-10-16 22:53:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:25,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:25,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:25,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335694113] [2021-10-16 22:53:25,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335694113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:25,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:25,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:25,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120246790] [2021-10-16 22:53:25,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:25,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:25,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:25,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:25,150 INFO L87 Difference]: Start difference. First operand 11050 states and 21934 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:26,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:26,920 INFO L93 Difference]: Finished difference Result 18061 states and 35792 transitions. [2021-10-16 22:53:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:53:26,920 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:26,938 INFO L225 Difference]: With dead ends: 18061 [2021-10-16 22:53:26,938 INFO L226 Difference]: Without dead ends: 18061 [2021-10-16 22:53:26,938 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 309.0ms TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:53:26,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18061 states. [2021-10-16 22:53:27,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18061 to 11046. [2021-10-16 22:53:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11046 states, 11017 states have (on average 1.9901969683216847) internal successors, (21926), 11045 states have internal predecessors, (21926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11046 states to 11046 states and 21926 transitions. [2021-10-16 22:53:27,067 INFO L78 Accepts]: Start accepts. Automaton has 11046 states and 21926 transitions. Word has length 95 [2021-10-16 22:53:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:27,067 INFO L470 AbstractCegarLoop]: Abstraction has 11046 states and 21926 transitions. [2021-10-16 22:53:27,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 11046 states and 21926 transitions. [2021-10-16 22:53:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:27,068 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:27,068 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:27,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-10-16 22:53:27,068 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:27,068 INFO L82 PathProgramCache]: Analyzing trace with hash 297296553, now seen corresponding path program 135 times [2021-10-16 22:53:27,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:27,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282529847] [2021-10-16 22:53:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:27,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:27,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:27,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282529847] [2021-10-16 22:53:27,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282529847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:27,198 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:27,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:27,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144326442] [2021-10-16 22:53:27,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:27,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:27,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:27,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:27,199 INFO L87 Difference]: Start difference. First operand 11046 states and 21926 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:29,285 INFO L93 Difference]: Finished difference Result 20837 states and 41306 transitions. [2021-10-16 22:53:29,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:53:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:29,310 INFO L225 Difference]: With dead ends: 20837 [2021-10-16 22:53:29,310 INFO L226 Difference]: Without dead ends: 20837 [2021-10-16 22:53:29,311 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 345.1ms TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:53:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20837 states. [2021-10-16 22:53:29,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20837 to 11058. [2021-10-16 22:53:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11058 states, 11029 states have (on average 1.9902076344183517) internal successors, (21950), 11057 states have internal predecessors, (21950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11058 states to 11058 states and 21950 transitions. [2021-10-16 22:53:29,456 INFO L78 Accepts]: Start accepts. Automaton has 11058 states and 21950 transitions. Word has length 95 [2021-10-16 22:53:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:29,456 INFO L470 AbstractCegarLoop]: Abstraction has 11058 states and 21950 transitions. [2021-10-16 22:53:29,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11058 states and 21950 transitions. [2021-10-16 22:53:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:29,457 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:29,457 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:29,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-10-16 22:53:29,457 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:29,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:29,457 INFO L82 PathProgramCache]: Analyzing trace with hash 877100771, now seen corresponding path program 136 times [2021-10-16 22:53:29,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:29,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573506155] [2021-10-16 22:53:29,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:29,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:29,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:29,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573506155] [2021-10-16 22:53:29,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573506155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:29,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:29,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:29,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56210043] [2021-10-16 22:53:29,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:29,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:29,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:29,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:29,585 INFO L87 Difference]: Start difference. First operand 11058 states and 21950 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:31,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:31,960 INFO L93 Difference]: Finished difference Result 20935 states and 41502 transitions. [2021-10-16 22:53:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:53:31,960 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:31,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:31,985 INFO L225 Difference]: With dead ends: 20935 [2021-10-16 22:53:31,985 INFO L226 Difference]: Without dead ends: 20935 [2021-10-16 22:53:31,985 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 333.1ms TimeCoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:53:32,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20935 states. [2021-10-16 22:53:32,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20935 to 11056. [2021-10-16 22:53:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11056 states, 11027 states have (on average 1.990205858347692) internal successors, (21946), 11055 states have internal predecessors, (21946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11056 states to 11056 states and 21946 transitions. [2021-10-16 22:53:32,129 INFO L78 Accepts]: Start accepts. Automaton has 11056 states and 21946 transitions. Word has length 95 [2021-10-16 22:53:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:32,130 INFO L470 AbstractCegarLoop]: Abstraction has 11056 states and 21946 transitions. [2021-10-16 22:53:32,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 11056 states and 21946 transitions. [2021-10-16 22:53:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:32,131 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:32,131 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:32,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-10-16 22:53:32,131 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:32,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:32,131 INFO L82 PathProgramCache]: Analyzing trace with hash -164921269, now seen corresponding path program 137 times [2021-10-16 22:53:32,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:32,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245915312] [2021-10-16 22:53:32,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:32,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:32,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:32,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245915312] [2021-10-16 22:53:32,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245915312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:32,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:32,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:32,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898512961] [2021-10-16 22:53:32,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:32,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:32,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:32,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:32,253 INFO L87 Difference]: Start difference. First operand 11056 states and 21946 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:34,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:34,392 INFO L93 Difference]: Finished difference Result 21007 states and 41646 transitions. [2021-10-16 22:53:34,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:53:34,392 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:34,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:34,416 INFO L225 Difference]: With dead ends: 21007 [2021-10-16 22:53:34,416 INFO L226 Difference]: Without dead ends: 21007 [2021-10-16 22:53:34,417 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 315.8ms TimeCoverageRelationStatistics Valid=271, Invalid=1061, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:53:34,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21007 states. [2021-10-16 22:53:34,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21007 to 11054. [2021-10-16 22:53:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11054 states, 11025 states have (on average 1.9902040816326532) internal successors, (21942), 11053 states have internal predecessors, (21942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11054 states to 11054 states and 21942 transitions. [2021-10-16 22:53:34,581 INFO L78 Accepts]: Start accepts. Automaton has 11054 states and 21942 transitions. Word has length 95 [2021-10-16 22:53:34,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:34,581 INFO L470 AbstractCegarLoop]: Abstraction has 11054 states and 21942 transitions. [2021-10-16 22:53:34,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11054 states and 21942 transitions. [2021-10-16 22:53:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:34,582 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:34,582 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:34,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-10-16 22:53:34,582 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:34,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:34,582 INFO L82 PathProgramCache]: Analyzing trace with hash 808116673, now seen corresponding path program 138 times [2021-10-16 22:53:34,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:34,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653499428] [2021-10-16 22:53:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:34,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:34,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:34,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653499428] [2021-10-16 22:53:34,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653499428] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:34,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:34,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:34,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443654601] [2021-10-16 22:53:34,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:34,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:34,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:34,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:34,707 INFO L87 Difference]: Start difference. First operand 11054 states and 21942 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:36,779 INFO L93 Difference]: Finished difference Result 20669 states and 40970 transitions. [2021-10-16 22:53:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:53:36,779 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:36,804 INFO L225 Difference]: With dead ends: 20669 [2021-10-16 22:53:36,804 INFO L226 Difference]: Without dead ends: 20669 [2021-10-16 22:53:36,804 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 336.7ms TimeCoverageRelationStatistics Valid=367, Invalid=1439, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:53:36,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20669 states. [2021-10-16 22:53:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20669 to 11090. [2021-10-16 22:53:36,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11090 states, 11061 states have (on average 1.9903263719374378) internal successors, (22015), 11089 states have internal predecessors, (22015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11090 states to 11090 states and 22015 transitions. [2021-10-16 22:53:36,958 INFO L78 Accepts]: Start accepts. Automaton has 11090 states and 22015 transitions. Word has length 95 [2021-10-16 22:53:36,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:36,958 INFO L470 AbstractCegarLoop]: Abstraction has 11090 states and 22015 transitions. [2021-10-16 22:53:36,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 11090 states and 22015 transitions. [2021-10-16 22:53:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:36,959 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:36,960 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:36,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-10-16 22:53:36,960 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:36,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:36,960 INFO L82 PathProgramCache]: Analyzing trace with hash -2012616134, now seen corresponding path program 18 times [2021-10-16 22:53:36,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:36,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833430795] [2021-10-16 22:53:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:36,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:37,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:37,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833430795] [2021-10-16 22:53:37,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833430795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:37,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:37,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:37,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076426843] [2021-10-16 22:53:37,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:37,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:37,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:37,069 INFO L87 Difference]: Start difference. First operand 11090 states and 22015 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:39,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:39,651 INFO L93 Difference]: Finished difference Result 20621 states and 40864 transitions. [2021-10-16 22:53:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:53:39,651 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:39,674 INFO L225 Difference]: With dead ends: 20621 [2021-10-16 22:53:39,674 INFO L226 Difference]: Without dead ends: 20621 [2021-10-16 22:53:39,675 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 340.6ms TimeCoverageRelationStatistics Valid=356, Invalid=1624, Unknown=0, NotChecked=0, Total=1980 [2021-10-16 22:53:39,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2021-10-16 22:53:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 10963. [2021-10-16 22:53:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10963 states, 10934 states have (on average 1.989848179989025) internal successors, (21757), 10962 states have internal predecessors, (21757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10963 states to 10963 states and 21757 transitions. [2021-10-16 22:53:39,817 INFO L78 Accepts]: Start accepts. Automaton has 10963 states and 21757 transitions. Word has length 95 [2021-10-16 22:53:39,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:39,817 INFO L470 AbstractCegarLoop]: Abstraction has 10963 states and 21757 transitions. [2021-10-16 22:53:39,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10963 states and 21757 transitions. [2021-10-16 22:53:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:39,818 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:39,818 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:39,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-10-16 22:53:39,818 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:39,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:39,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2126608899, now seen corresponding path program 139 times [2021-10-16 22:53:39,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:39,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762051966] [2021-10-16 22:53:39,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:39,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:39,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:39,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762051966] [2021-10-16 22:53:39,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762051966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:39,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:39,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:39,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769444062] [2021-10-16 22:53:39,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:39,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:39,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:39,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:39,959 INFO L87 Difference]: Start difference. First operand 10963 states and 21757 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:41,903 INFO L93 Difference]: Finished difference Result 23218 states and 46028 transitions. [2021-10-16 22:53:41,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:53:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:41,931 INFO L225 Difference]: With dead ends: 23218 [2021-10-16 22:53:41,931 INFO L226 Difference]: Without dead ends: 23218 [2021-10-16 22:53:41,931 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 292.0ms TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:53:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23218 states. [2021-10-16 22:53:42,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23218 to 10973. [2021-10-16 22:53:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10973 states, 10944 states have (on average 1.9898574561403508) internal successors, (21777), 10972 states have internal predecessors, (21777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10973 states to 10973 states and 21777 transitions. [2021-10-16 22:53:42,133 INFO L78 Accepts]: Start accepts. Automaton has 10973 states and 21777 transitions. Word has length 95 [2021-10-16 22:53:42,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:42,133 INFO L470 AbstractCegarLoop]: Abstraction has 10973 states and 21777 transitions. [2021-10-16 22:53:42,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10973 states and 21777 transitions. [2021-10-16 22:53:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:42,134 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:42,134 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:42,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-10-16 22:53:42,134 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:42,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:42,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1238683333, now seen corresponding path program 140 times [2021-10-16 22:53:42,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:42,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900266538] [2021-10-16 22:53:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:42,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:42,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:42,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900266538] [2021-10-16 22:53:42,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900266538] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:42,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:42,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:42,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179725207] [2021-10-16 22:53:42,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:42,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:42,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:42,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:42,275 INFO L87 Difference]: Start difference. First operand 10973 states and 21777 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:44,516 INFO L93 Difference]: Finished difference Result 23294 states and 46180 transitions. [2021-10-16 22:53:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:53:44,516 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:44,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:44,544 INFO L225 Difference]: With dead ends: 23294 [2021-10-16 22:53:44,545 INFO L226 Difference]: Without dead ends: 23294 [2021-10-16 22:53:44,545 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 374.3ms TimeCoverageRelationStatistics Valid=338, Invalid=1068, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:53:44,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23294 states. [2021-10-16 22:53:44,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23294 to 10987. [2021-10-16 22:53:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10987 states, 10958 states have (on average 1.9899616718379267) internal successors, (21806), 10986 states have internal predecessors, (21806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10987 states to 10987 states and 21806 transitions. [2021-10-16 22:53:44,702 INFO L78 Accepts]: Start accepts. Automaton has 10987 states and 21806 transitions. Word has length 95 [2021-10-16 22:53:44,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:44,703 INFO L470 AbstractCegarLoop]: Abstraction has 10987 states and 21806 transitions. [2021-10-16 22:53:44,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 10987 states and 21806 transitions. [2021-10-16 22:53:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:44,704 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:44,704 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:44,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-10-16 22:53:44,704 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:44,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:44,704 INFO L82 PathProgramCache]: Analyzing trace with hash 105848323, now seen corresponding path program 141 times [2021-10-16 22:53:44,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:44,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018442139] [2021-10-16 22:53:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:44,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:44,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:44,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018442139] [2021-10-16 22:53:44,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018442139] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:44,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:44,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:44,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824567178] [2021-10-16 22:53:44,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:44,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:44,841 INFO L87 Difference]: Start difference. First operand 10987 states and 21806 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:47,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:47,325 INFO L93 Difference]: Finished difference Result 23345 states and 46282 transitions. [2021-10-16 22:53:47,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-16 22:53:47,326 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:47,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:47,352 INFO L225 Difference]: With dead ends: 23345 [2021-10-16 22:53:47,352 INFO L226 Difference]: Without dead ends: 23345 [2021-10-16 22:53:47,352 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 374.1ms TimeCoverageRelationStatistics Valid=310, Invalid=1022, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:53:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23345 states. [2021-10-16 22:53:47,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23345 to 10989. [2021-10-16 22:53:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10989 states, 10960 states have (on average 1.989963503649635) internal successors, (21810), 10988 states have internal predecessors, (21810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10989 states to 10989 states and 21810 transitions. [2021-10-16 22:53:47,507 INFO L78 Accepts]: Start accepts. Automaton has 10989 states and 21810 transitions. Word has length 95 [2021-10-16 22:53:47,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:47,507 INFO L470 AbstractCegarLoop]: Abstraction has 10989 states and 21810 transitions. [2021-10-16 22:53:47,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10989 states and 21810 transitions. [2021-10-16 22:53:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:47,508 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:47,508 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:47,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-10-16 22:53:47,508 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:47,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:47,508 INFO L82 PathProgramCache]: Analyzing trace with hash 685652541, now seen corresponding path program 142 times [2021-10-16 22:53:47,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:47,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623144229] [2021-10-16 22:53:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:47,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:47,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:47,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623144229] [2021-10-16 22:53:47,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623144229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:47,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:47,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:47,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566626647] [2021-10-16 22:53:47,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:47,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:47,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:47,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:47,636 INFO L87 Difference]: Start difference. First operand 10989 states and 21810 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:49,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:49,742 INFO L93 Difference]: Finished difference Result 23361 states and 46314 transitions. [2021-10-16 22:53:49,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-16 22:53:49,742 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:49,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:49,770 INFO L225 Difference]: With dead ends: 23361 [2021-10-16 22:53:49,770 INFO L226 Difference]: Without dead ends: 23361 [2021-10-16 22:53:49,770 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 344.9ms TimeCoverageRelationStatistics Valid=309, Invalid=1023, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:53:49,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23361 states. [2021-10-16 22:53:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23361 to 11001. [2021-10-16 22:53:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11001 states, 10972 states have (on average 1.9900656215822092) internal successors, (21835), 11000 states have internal predecessors, (21835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11001 states to 11001 states and 21835 transitions. [2021-10-16 22:53:49,948 INFO L78 Accepts]: Start accepts. Automaton has 11001 states and 21835 transitions. Word has length 95 [2021-10-16 22:53:49,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:49,949 INFO L470 AbstractCegarLoop]: Abstraction has 11001 states and 21835 transitions. [2021-10-16 22:53:49,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 11001 states and 21835 transitions. [2021-10-16 22:53:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:49,950 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:49,950 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:49,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-10-16 22:53:49,950 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:49,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1284238563, now seen corresponding path program 143 times [2021-10-16 22:53:49,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:49,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018663203] [2021-10-16 22:53:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:49,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:50,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:50,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018663203] [2021-10-16 22:53:50,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018663203] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:50,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:50,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:50,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26559284] [2021-10-16 22:53:50,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:50,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:50,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:50,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:50,081 INFO L87 Difference]: Start difference. First operand 11001 states and 21835 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:52,434 INFO L93 Difference]: Finished difference Result 23389 states and 46370 transitions. [2021-10-16 22:53:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:53:52,434 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:52,461 INFO L225 Difference]: With dead ends: 23389 [2021-10-16 22:53:52,461 INFO L226 Difference]: Without dead ends: 23389 [2021-10-16 22:53:52,462 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 356.6ms TimeCoverageRelationStatistics Valid=287, Invalid=973, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:53:52,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23389 states. [2021-10-16 22:53:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23389 to 11005. [2021-10-16 22:53:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11005 states, 10976 states have (on average 1.9900692419825072) internal successors, (21843), 11004 states have internal predecessors, (21843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11005 states to 11005 states and 21843 transitions. [2021-10-16 22:53:52,617 INFO L78 Accepts]: Start accepts. Automaton has 11005 states and 21843 transitions. Word has length 95 [2021-10-16 22:53:52,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:52,617 INFO L470 AbstractCegarLoop]: Abstraction has 11005 states and 21843 transitions. [2021-10-16 22:53:52,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11005 states and 21843 transitions. [2021-10-16 22:53:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:52,618 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:52,618 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:52,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-10-16 22:53:52,618 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:52,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:52,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1864042781, now seen corresponding path program 144 times [2021-10-16 22:53:52,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:52,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111966327] [2021-10-16 22:53:52,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:52,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:52,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:52,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:52,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111966327] [2021-10-16 22:53:52,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111966327] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:52,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:52,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:52,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566286454] [2021-10-16 22:53:52,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:52,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:52,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:52,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:52,748 INFO L87 Difference]: Start difference. First operand 11005 states and 21843 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:54,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:54,999 INFO L93 Difference]: Finished difference Result 23487 states and 46566 transitions. [2021-10-16 22:53:55,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:53:55,000 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:55,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:55,028 INFO L225 Difference]: With dead ends: 23487 [2021-10-16 22:53:55,028 INFO L226 Difference]: Without dead ends: 23487 [2021-10-16 22:53:55,028 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 354.0ms TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:53:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23487 states. [2021-10-16 22:53:55,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23487 to 11003. [2021-10-16 22:53:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11003 states, 10974 states have (on average 1.9900674321122653) internal successors, (21839), 11002 states have internal predecessors, (21839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11003 states to 11003 states and 21839 transitions. [2021-10-16 22:53:55,190 INFO L78 Accepts]: Start accepts. Automaton has 11003 states and 21839 transitions. Word has length 95 [2021-10-16 22:53:55,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:55,191 INFO L470 AbstractCegarLoop]: Abstraction has 11003 states and 21839 transitions. [2021-10-16 22:53:55,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 11003 states and 21839 transitions. [2021-10-16 22:53:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:55,192 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:55,192 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:55,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-10-16 22:53:55,192 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:55,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:55,192 INFO L82 PathProgramCache]: Analyzing trace with hash 822020741, now seen corresponding path program 145 times [2021-10-16 22:53:55,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:55,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035335809] [2021-10-16 22:53:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:55,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:55,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:55,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035335809] [2021-10-16 22:53:55,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035335809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:55,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:55,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:55,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88542828] [2021-10-16 22:53:55,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:55,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:55,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:55,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:55,317 INFO L87 Difference]: Start difference. First operand 11003 states and 21839 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:57,326 INFO L93 Difference]: Finished difference Result 23435 states and 46462 transitions. [2021-10-16 22:53:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:53:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:57,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:57,354 INFO L225 Difference]: With dead ends: 23435 [2021-10-16 22:53:57,354 INFO L226 Difference]: Without dead ends: 23435 [2021-10-16 22:53:57,355 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 327.9ms TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:53:57,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23435 states. [2021-10-16 22:53:57,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23435 to 11015. [2021-10-16 22:53:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11015 states, 10986 states have (on average 1.9901693063899508) internal successors, (21864), 11014 states have internal predecessors, (21864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11015 states to 11015 states and 21864 transitions. [2021-10-16 22:53:57,533 INFO L78 Accepts]: Start accepts. Automaton has 11015 states and 21864 transitions. Word has length 95 [2021-10-16 22:53:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:53:57,533 INFO L470 AbstractCegarLoop]: Abstraction has 11015 states and 21864 transitions. [2021-10-16 22:53:57,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:57,533 INFO L276 IsEmpty]: Start isEmpty. Operand 11015 states and 21864 transitions. [2021-10-16 22:53:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:53:57,534 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:53:57,534 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:53:57,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-10-16 22:53:57,535 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:53:57,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:53:57,535 INFO L82 PathProgramCache]: Analyzing trace with hash -937259163, now seen corresponding path program 146 times [2021-10-16 22:53:57,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:53:57,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340498831] [2021-10-16 22:53:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:53:57,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:53:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:53:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:53:57,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:53:57,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340498831] [2021-10-16 22:53:57,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340498831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:53:57,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:53:57,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:53:57,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97260205] [2021-10-16 22:53:57,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:53:57,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:53:57,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:53:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:53:57,669 INFO L87 Difference]: Start difference. First operand 11015 states and 21864 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:53:59,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:53:59,940 INFO L93 Difference]: Finished difference Result 32203 states and 63881 transitions. [2021-10-16 22:53:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:53:59,940 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:53:59,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:53:59,981 INFO L225 Difference]: With dead ends: 32203 [2021-10-16 22:53:59,982 INFO L226 Difference]: Without dead ends: 32203 [2021-10-16 22:53:59,982 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 374.8ms TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:54:00,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32203 states. [2021-10-16 22:54:00,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32203 to 11027. [2021-10-16 22:54:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11027 states, 10998 states have (on average 1.9901800327332242) internal successors, (21888), 11026 states have internal predecessors, (21888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11027 states to 11027 states and 21888 transitions. [2021-10-16 22:54:00,189 INFO L78 Accepts]: Start accepts. Automaton has 11027 states and 21888 transitions. Word has length 95 [2021-10-16 22:54:00,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:00,189 INFO L470 AbstractCegarLoop]: Abstraction has 11027 states and 21888 transitions. [2021-10-16 22:54:00,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:00,189 INFO L276 IsEmpty]: Start isEmpty. Operand 11027 states and 21888 transitions. [2021-10-16 22:54:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:00,190 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:00,190 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:00,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-10-16 22:54:00,191 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:00,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:00,191 INFO L82 PathProgramCache]: Analyzing trace with hash -357454945, now seen corresponding path program 147 times [2021-10-16 22:54:00,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:00,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54593181] [2021-10-16 22:54:00,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:00,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:00,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:00,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54593181] [2021-10-16 22:54:00,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54593181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:00,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:00,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:00,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281102807] [2021-10-16 22:54:00,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:00,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:00,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:00,318 INFO L87 Difference]: Start difference. First operand 11027 states and 21888 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:02,548 INFO L93 Difference]: Finished difference Result 32301 states and 64077 transitions. [2021-10-16 22:54:02,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:54:02,548 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:02,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:02,589 INFO L225 Difference]: With dead ends: 32301 [2021-10-16 22:54:02,589 INFO L226 Difference]: Without dead ends: 32301 [2021-10-16 22:54:02,589 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 362.9ms TimeCoverageRelationStatistics Valid=332, Invalid=1228, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:54:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32301 states. [2021-10-16 22:54:02,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32301 to 11025. [2021-10-16 22:54:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 10996 states have (on average 1.99017824663514) internal successors, (21884), 11024 states have internal predecessors, (21884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 21884 transitions. [2021-10-16 22:54:02,789 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 21884 transitions. Word has length 95 [2021-10-16 22:54:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:02,789 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 21884 transitions. [2021-10-16 22:54:02,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:02,789 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 21884 transitions. [2021-10-16 22:54:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:02,790 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:02,790 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:02,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-10-16 22:54:02,791 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1399476985, now seen corresponding path program 148 times [2021-10-16 22:54:02,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:02,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685595494] [2021-10-16 22:54:02,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:02,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:02,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:02,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685595494] [2021-10-16 22:54:02,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685595494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:02,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:02,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:02,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788360853] [2021-10-16 22:54:02,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:02,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:02,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:02,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:02,914 INFO L87 Difference]: Start difference. First operand 11025 states and 21884 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:05,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:05,014 INFO L93 Difference]: Finished difference Result 32373 states and 64221 transitions. [2021-10-16 22:54:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:54:05,014 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:05,049 INFO L225 Difference]: With dead ends: 32373 [2021-10-16 22:54:05,050 INFO L226 Difference]: Without dead ends: 32373 [2021-10-16 22:54:05,050 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 346.1ms TimeCoverageRelationStatistics Valid=313, Invalid=1169, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:54:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32373 states. [2021-10-16 22:54:05,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32373 to 11023. [2021-10-16 22:54:05,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11023 states, 10994 states have (on average 1.9901764598872111) internal successors, (21880), 11022 states have internal predecessors, (21880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11023 states to 11023 states and 21880 transitions. [2021-10-16 22:54:05,227 INFO L78 Accepts]: Start accepts. Automaton has 11023 states and 21880 transitions. Word has length 95 [2021-10-16 22:54:05,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:05,227 INFO L470 AbstractCegarLoop]: Abstraction has 11023 states and 21880 transitions. [2021-10-16 22:54:05,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 11023 states and 21880 transitions. [2021-10-16 22:54:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:05,228 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:05,228 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:05,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-10-16 22:54:05,228 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash -426439043, now seen corresponding path program 149 times [2021-10-16 22:54:05,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:05,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465565914] [2021-10-16 22:54:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:05,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:05,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:05,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465565914] [2021-10-16 22:54:05,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465565914] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:05,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:05,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:05,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350292411] [2021-10-16 22:54:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:05,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:05,349 INFO L87 Difference]: Start difference. First operand 11023 states and 21880 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:07,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:07,495 INFO L93 Difference]: Finished difference Result 32035 states and 63545 transitions. [2021-10-16 22:54:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:54:07,495 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:07,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:07,536 INFO L225 Difference]: With dead ends: 32035 [2021-10-16 22:54:07,536 INFO L226 Difference]: Without dead ends: 32035 [2021-10-16 22:54:07,536 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 361.0ms TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2021-10-16 22:54:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32035 states. [2021-10-16 22:54:07,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32035 to 11059. [2021-10-16 22:54:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11059 states, 11030 states have (on average 1.9902991840435176) internal successors, (21953), 11058 states have internal predecessors, (21953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11059 states to 11059 states and 21953 transitions. [2021-10-16 22:54:07,794 INFO L78 Accepts]: Start accepts. Automaton has 11059 states and 21953 transitions. Word has length 95 [2021-10-16 22:54:07,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:07,794 INFO L470 AbstractCegarLoop]: Abstraction has 11059 states and 21953 transitions. [2021-10-16 22:54:07,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 11059 states and 21953 transitions. [2021-10-16 22:54:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:07,795 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:07,795 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:07,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-10-16 22:54:07,795 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:07,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1047795446, now seen corresponding path program 19 times [2021-10-16 22:54:07,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:07,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106364358] [2021-10-16 22:54:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:07,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:07,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:07,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106364358] [2021-10-16 22:54:07,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106364358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:07,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:07,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:07,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612935051] [2021-10-16 22:54:07,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:07,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:07,908 INFO L87 Difference]: Start difference. First operand 11059 states and 21953 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:11,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:11,101 INFO L93 Difference]: Finished difference Result 32270 states and 63995 transitions. [2021-10-16 22:54:11,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:54:11,102 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:11,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:11,143 INFO L225 Difference]: With dead ends: 32270 [2021-10-16 22:54:11,144 INFO L226 Difference]: Without dead ends: 32270 [2021-10-16 22:54:11,144 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 450.0ms TimeCoverageRelationStatistics Valid=544, Invalid=2318, Unknown=0, NotChecked=0, Total=2862 [2021-10-16 22:54:11,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32270 states. [2021-10-16 22:54:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32270 to 10933. [2021-10-16 22:54:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10933 states, 10904 states have (on average 1.9898202494497432) internal successors, (21697), 10932 states have internal predecessors, (21697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10933 states to 10933 states and 21697 transitions. [2021-10-16 22:54:11,340 INFO L78 Accepts]: Start accepts. Automaton has 10933 states and 21697 transitions. Word has length 95 [2021-10-16 22:54:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:11,341 INFO L470 AbstractCegarLoop]: Abstraction has 10933 states and 21697 transitions. [2021-10-16 22:54:11,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 10933 states and 21697 transitions. [2021-10-16 22:54:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:11,341 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:11,342 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:11,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-10-16 22:54:11,342 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:11,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2117485701, now seen corresponding path program 150 times [2021-10-16 22:54:11,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:11,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581305924] [2021-10-16 22:54:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:11,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:11,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:11,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581305924] [2021-10-16 22:54:11,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581305924] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:11,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:11,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:11,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470786346] [2021-10-16 22:54:11,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:11,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:11,513 INFO L87 Difference]: Start difference. First operand 10933 states and 21697 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:13,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:13,699 INFO L93 Difference]: Finished difference Result 29109 states and 57736 transitions. [2021-10-16 22:54:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:54:13,699 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:13,736 INFO L225 Difference]: With dead ends: 29109 [2021-10-16 22:54:13,737 INFO L226 Difference]: Without dead ends: 29109 [2021-10-16 22:54:13,737 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 452.2ms TimeCoverageRelationStatistics Valid=440, Invalid=1630, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 22:54:13,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29109 states. [2021-10-16 22:54:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29109 to 10953. [2021-10-16 22:54:13,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10953 states, 10924 states have (on average 1.9899304284145) internal successors, (21738), 10952 states have internal predecessors, (21738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10953 states to 10953 states and 21738 transitions. [2021-10-16 22:54:13,922 INFO L78 Accepts]: Start accepts. Automaton has 10953 states and 21738 transitions. Word has length 95 [2021-10-16 22:54:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:13,922 INFO L470 AbstractCegarLoop]: Abstraction has 10953 states and 21738 transitions. [2021-10-16 22:54:13,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10953 states and 21738 transitions. [2021-10-16 22:54:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:13,923 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:13,923 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:13,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-10-16 22:54:13,923 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1597677377, now seen corresponding path program 151 times [2021-10-16 22:54:13,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:13,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458473791] [2021-10-16 22:54:13,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:13,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:14,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:14,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458473791] [2021-10-16 22:54:14,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458473791] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:14,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:14,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:14,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103083326] [2021-10-16 22:54:14,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:14,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:14,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:14,052 INFO L87 Difference]: Start difference. First operand 10953 states and 21738 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:16,656 INFO L93 Difference]: Finished difference Result 29207 states and 57932 transitions. [2021-10-16 22:54:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:54:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:16,696 INFO L225 Difference]: With dead ends: 29207 [2021-10-16 22:54:16,697 INFO L226 Difference]: Without dead ends: 29207 [2021-10-16 22:54:16,697 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 397.8ms TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:54:16,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29207 states. [2021-10-16 22:54:16,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29207 to 10965. [2021-10-16 22:54:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10965 states, 10936 states have (on average 1.9900329188002925) internal successors, (21763), 10964 states have internal predecessors, (21763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10965 states to 10965 states and 21763 transitions. [2021-10-16 22:54:16,888 INFO L78 Accepts]: Start accepts. Automaton has 10965 states and 21763 transitions. Word has length 95 [2021-10-16 22:54:16,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:16,888 INFO L470 AbstractCegarLoop]: Abstraction has 10965 states and 21763 transitions. [2021-10-16 22:54:16,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 10965 states and 21763 transitions. [2021-10-16 22:54:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:16,889 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:16,889 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:16,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-10-16 22:54:16,889 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:16,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:16,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1655267879, now seen corresponding path program 152 times [2021-10-16 22:54:16,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:16,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715427855] [2021-10-16 22:54:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:16,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:17,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:17,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715427855] [2021-10-16 22:54:17,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715427855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:17,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:17,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:17,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245362345] [2021-10-16 22:54:17,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:17,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:17,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:17,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:17,017 INFO L87 Difference]: Start difference. First operand 10965 states and 21763 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:19,258 INFO L93 Difference]: Finished difference Result 29279 states and 58076 transitions. [2021-10-16 22:54:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:54:19,258 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:19,295 INFO L225 Difference]: With dead ends: 29279 [2021-10-16 22:54:19,296 INFO L226 Difference]: Without dead ends: 29279 [2021-10-16 22:54:19,296 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 373.4ms TimeCoverageRelationStatistics Valid=357, Invalid=1365, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:54:19,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29279 states. [2021-10-16 22:54:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29279 to 10977. [2021-10-16 22:54:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10977 states, 10948 states have (on average 1.990135184508586) internal successors, (21788), 10976 states have internal predecessors, (21788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10977 states to 10977 states and 21788 transitions. [2021-10-16 22:54:19,492 INFO L78 Accepts]: Start accepts. Automaton has 10977 states and 21788 transitions. Word has length 95 [2021-10-16 22:54:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:19,492 INFO L470 AbstractCegarLoop]: Abstraction has 10977 states and 21788 transitions. [2021-10-16 22:54:19,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 10977 states and 21788 transitions. [2021-10-16 22:54:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:19,493 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:19,493 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:19,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-10-16 22:54:19,493 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:19,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:19,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1666661475, now seen corresponding path program 153 times [2021-10-16 22:54:19,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:19,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580002147] [2021-10-16 22:54:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:19,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:19,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:19,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580002147] [2021-10-16 22:54:19,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580002147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:19,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:19,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:19,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168600260] [2021-10-16 22:54:19,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:19,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:19,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:19,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:19,613 INFO L87 Difference]: Start difference. First operand 10977 states and 21788 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:22,022 INFO L93 Difference]: Finished difference Result 37739 states and 74881 transitions. [2021-10-16 22:54:22,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:54:22,023 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:22,072 INFO L225 Difference]: With dead ends: 37739 [2021-10-16 22:54:22,072 INFO L226 Difference]: Without dead ends: 37739 [2021-10-16 22:54:22,073 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 402.2ms TimeCoverageRelationStatistics Valid=502, Invalid=1948, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:54:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37739 states. [2021-10-16 22:54:22,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37739 to 11013. [2021-10-16 22:54:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11013 states, 10984 states have (on average 1.9902585579024035) internal successors, (21861), 11012 states have internal predecessors, (21861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11013 states to 11013 states and 21861 transitions. [2021-10-16 22:54:22,348 INFO L78 Accepts]: Start accepts. Automaton has 11013 states and 21861 transitions. Word has length 95 [2021-10-16 22:54:22,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:22,349 INFO L470 AbstractCegarLoop]: Abstraction has 11013 states and 21861 transitions. [2021-10-16 22:54:22,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 11013 states and 21861 transitions. [2021-10-16 22:54:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:22,350 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:22,350 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:22,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-10-16 22:54:22,350 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash -192426986, now seen corresponding path program 20 times [2021-10-16 22:54:22,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:22,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758103599] [2021-10-16 22:54:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:22,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:22,454 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:22,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758103599] [2021-10-16 22:54:22,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758103599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:22,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:22,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:22,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284926059] [2021-10-16 22:54:22,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:22,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:22,455 INFO L87 Difference]: Start difference. First operand 11013 states and 21861 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:26,179 INFO L93 Difference]: Finished difference Result 37898 states and 75179 transitions. [2021-10-16 22:54:26,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-16 22:54:26,179 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:26,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:26,229 INFO L225 Difference]: With dead ends: 37898 [2021-10-16 22:54:26,230 INFO L226 Difference]: Without dead ends: 37898 [2021-10-16 22:54:26,230 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 484.7ms TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2021-10-16 22:54:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37898 states. [2021-10-16 22:54:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37898 to 10903. [2021-10-16 22:54:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10903 states, 10874 states have (on average 1.989792164796763) internal successors, (21637), 10902 states have internal predecessors, (21637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10903 states to 10903 states and 21637 transitions. [2021-10-16 22:54:26,481 INFO L78 Accepts]: Start accepts. Automaton has 10903 states and 21637 transitions. Word has length 95 [2021-10-16 22:54:26,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:26,481 INFO L470 AbstractCegarLoop]: Abstraction has 10903 states and 21637 transitions. [2021-10-16 22:54:26,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 10903 states and 21637 transitions. [2021-10-16 22:54:26,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:26,482 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:26,482 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:26,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-10-16 22:54:26,482 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:26,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:26,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1100366881, now seen corresponding path program 154 times [2021-10-16 22:54:26,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:26,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325193134] [2021-10-16 22:54:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:26,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:26,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:26,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325193134] [2021-10-16 22:54:26,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325193134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:26,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:26,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:26,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970257366] [2021-10-16 22:54:26,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:26,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:26,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:26,604 INFO L87 Difference]: Start difference. First operand 10903 states and 21637 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:28,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:28,941 INFO L93 Difference]: Finished difference Result 28799 states and 57118 transitions. [2021-10-16 22:54:28,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:54:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:28,978 INFO L225 Difference]: With dead ends: 28799 [2021-10-16 22:54:28,978 INFO L226 Difference]: Without dead ends: 28799 [2021-10-16 22:54:28,978 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 380.7ms TimeCoverageRelationStatistics Valid=454, Invalid=1708, Unknown=0, NotChecked=0, Total=2162 [2021-10-16 22:54:29,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28799 states. [2021-10-16 22:54:29,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28799 to 10959. [2021-10-16 22:54:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10959 states, 10930 states have (on average 1.9902104300091492) internal successors, (21753), 10958 states have internal predecessors, (21753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10959 states to 10959 states and 21753 transitions. [2021-10-16 22:54:29,157 INFO L78 Accepts]: Start accepts. Automaton has 10959 states and 21753 transitions. Word has length 95 [2021-10-16 22:54:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:29,157 INFO L470 AbstractCegarLoop]: Abstraction has 10959 states and 21753 transitions. [2021-10-16 22:54:29,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 10959 states and 21753 transitions. [2021-10-16 22:54:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:29,158 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:29,158 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:29,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-10-16 22:54:29,159 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:29,159 INFO L82 PathProgramCache]: Analyzing trace with hash 373867608, now seen corresponding path program 21 times [2021-10-16 22:54:29,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:29,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820035240] [2021-10-16 22:54:29,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:29,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:29,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:29,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820035240] [2021-10-16 22:54:29,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820035240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:29,261 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:29,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:29,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140825723] [2021-10-16 22:54:29,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:29,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:29,261 INFO L87 Difference]: Start difference. First operand 10959 states and 21753 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:32,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:32,844 INFO L93 Difference]: Finished difference Result 29034 states and 57573 transitions. [2021-10-16 22:54:32,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:54:32,845 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:32,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:32,883 INFO L225 Difference]: With dead ends: 29034 [2021-10-16 22:54:32,883 INFO L226 Difference]: Without dead ends: 29034 [2021-10-16 22:54:32,883 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 406.0ms TimeCoverageRelationStatistics Valid=493, Invalid=2057, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:54:32,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29034 states. [2021-10-16 22:54:33,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29034 to 10825. [2021-10-16 22:54:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10825 states, 10796 states have (on average 1.9897184142274917) internal successors, (21481), 10824 states have internal predecessors, (21481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10825 states to 10825 states and 21481 transitions. [2021-10-16 22:54:33,063 INFO L78 Accepts]: Start accepts. Automaton has 10825 states and 21481 transitions. Word has length 95 [2021-10-16 22:54:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:33,063 INFO L470 AbstractCegarLoop]: Abstraction has 10825 states and 21481 transitions. [2021-10-16 22:54:33,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 10825 states and 21481 transitions. [2021-10-16 22:54:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:33,064 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:33,064 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:33,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-10-16 22:54:33,064 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:33,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:33,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1378464374, now seen corresponding path program 22 times [2021-10-16 22:54:33,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:33,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444356421] [2021-10-16 22:54:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:33,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:33,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:33,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444356421] [2021-10-16 22:54:33,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444356421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:33,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:33,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:33,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401838844] [2021-10-16 22:54:33,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:33,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:33,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:33,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:33,215 INFO L87 Difference]: Start difference. First operand 10825 states and 21481 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:33,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:33,780 INFO L93 Difference]: Finished difference Result 11194 states and 22216 transitions. [2021-10-16 22:54:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:54:33,780 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:33,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:33,790 INFO L225 Difference]: With dead ends: 11194 [2021-10-16 22:54:33,790 INFO L226 Difference]: Without dead ends: 11194 [2021-10-16 22:54:33,790 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 211.6ms TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:54:33,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11194 states. [2021-10-16 22:54:33,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11194 to 10850. [2021-10-16 22:54:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 10821 states have (on average 1.9897421680066538) internal successors, (21531), 10849 states have internal predecessors, (21531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 21531 transitions. [2021-10-16 22:54:33,886 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 21531 transitions. Word has length 95 [2021-10-16 22:54:33,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:33,886 INFO L470 AbstractCegarLoop]: Abstraction has 10850 states and 21531 transitions. [2021-10-16 22:54:33,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 21531 transitions. [2021-10-16 22:54:33,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:33,887 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:33,887 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:33,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-10-16 22:54:33,887 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:33,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:33,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1613070206, now seen corresponding path program 23 times [2021-10-16 22:54:33,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:33,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642573238] [2021-10-16 22:54:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:33,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:34,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:34,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642573238] [2021-10-16 22:54:34,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642573238] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:34,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:34,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:34,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117510199] [2021-10-16 22:54:34,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:34,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:34,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:34,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:34,034 INFO L87 Difference]: Start difference. First operand 10850 states and 21531 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:35,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:35,057 INFO L93 Difference]: Finished difference Result 11244 states and 22316 transitions. [2021-10-16 22:54:35,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:54:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:35,068 INFO L225 Difference]: With dead ends: 11244 [2021-10-16 22:54:35,069 INFO L226 Difference]: Without dead ends: 11244 [2021-10-16 22:54:35,069 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 246.7ms TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:54:35,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11244 states. [2021-10-16 22:54:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11244 to 10852. [2021-10-16 22:54:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10852 states, 10823 states have (on average 1.9897440635683268) internal successors, (21535), 10851 states have internal predecessors, (21535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10852 states to 10852 states and 21535 transitions. [2021-10-16 22:54:35,167 INFO L78 Accepts]: Start accepts. Automaton has 10852 states and 21535 transitions. Word has length 95 [2021-10-16 22:54:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:35,167 INFO L470 AbstractCegarLoop]: Abstraction has 10852 states and 21535 transitions. [2021-10-16 22:54:35,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 10852 states and 21535 transitions. [2021-10-16 22:54:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:35,168 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:35,168 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:35,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-10-16 22:54:35,168 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash -478387130, now seen corresponding path program 24 times [2021-10-16 22:54:35,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:35,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724254312] [2021-10-16 22:54:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:35,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:35,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:35,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724254312] [2021-10-16 22:54:35,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724254312] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:35,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:35,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:35,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016920907] [2021-10-16 22:54:35,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:35,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:35,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:35,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:35,317 INFO L87 Difference]: Start difference. First operand 10852 states and 21535 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:36,447 INFO L93 Difference]: Finished difference Result 11272 states and 22372 transitions. [2021-10-16 22:54:36,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:54:36,448 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:36,460 INFO L225 Difference]: With dead ends: 11272 [2021-10-16 22:54:36,460 INFO L226 Difference]: Without dead ends: 11272 [2021-10-16 22:54:36,461 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 305.4ms TimeCoverageRelationStatistics Valid=214, Invalid=908, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11272 states. [2021-10-16 22:54:36,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11272 to 10866. [2021-10-16 22:54:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10866 states, 10837 states have (on average 1.9898495893697519) internal successors, (21564), 10865 states have internal predecessors, (21564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10866 states to 10866 states and 21564 transitions. [2021-10-16 22:54:36,607 INFO L78 Accepts]: Start accepts. Automaton has 10866 states and 21564 transitions. Word has length 95 [2021-10-16 22:54:36,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:36,607 INFO L470 AbstractCegarLoop]: Abstraction has 10866 states and 21564 transitions. [2021-10-16 22:54:36,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 10866 states and 21564 transitions. [2021-10-16 22:54:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:36,608 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:36,608 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:36,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-10-16 22:54:36,609 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:36,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:36,609 INFO L82 PathProgramCache]: Analyzing trace with hash -202719130, now seen corresponding path program 25 times [2021-10-16 22:54:36,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:36,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440982890] [2021-10-16 22:54:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:36,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:36,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:36,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440982890] [2021-10-16 22:54:36,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440982890] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:36,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:36,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:36,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621543011] [2021-10-16 22:54:36,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:36,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:36,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:36,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:36,753 INFO L87 Difference]: Start difference. First operand 10866 states and 21564 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:37,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:37,632 INFO L93 Difference]: Finished difference Result 11236 states and 22301 transitions. [2021-10-16 22:54:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:54:37,632 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:37,643 INFO L225 Difference]: With dead ends: 11236 [2021-10-16 22:54:37,643 INFO L226 Difference]: Without dead ends: 11236 [2021-10-16 22:54:37,643 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 249.8ms TimeCoverageRelationStatistics Valid=197, Invalid=733, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:54:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11236 states. [2021-10-16 22:54:37,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11236 to 10870. [2021-10-16 22:54:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10870 states, 10841 states have (on average 1.989853334563232) internal successors, (21572), 10869 states have internal predecessors, (21572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10870 states to 10870 states and 21572 transitions. [2021-10-16 22:54:37,742 INFO L78 Accepts]: Start accepts. Automaton has 10870 states and 21572 transitions. Word has length 95 [2021-10-16 22:54:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:37,742 INFO L470 AbstractCegarLoop]: Abstraction has 10870 states and 21572 transitions. [2021-10-16 22:54:37,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 10870 states and 21572 transitions. [2021-10-16 22:54:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:37,743 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:37,743 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:37,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-10-16 22:54:37,743 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:37,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:37,743 INFO L82 PathProgramCache]: Analyzing trace with hash 931963946, now seen corresponding path program 26 times [2021-10-16 22:54:37,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:37,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997244182] [2021-10-16 22:54:37,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:37,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:37,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:37,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997244182] [2021-10-16 22:54:37,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997244182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:37,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:37,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:37,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756218180] [2021-10-16 22:54:37,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:37,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:37,888 INFO L87 Difference]: Start difference. First operand 10870 states and 21572 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:38,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:38,906 INFO L93 Difference]: Finished difference Result 11312 states and 22453 transitions. [2021-10-16 22:54:38,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:54:38,906 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:38,918 INFO L225 Difference]: With dead ends: 11312 [2021-10-16 22:54:38,918 INFO L226 Difference]: Without dead ends: 11312 [2021-10-16 22:54:38,918 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 307.1ms TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:38,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11312 states. [2021-10-16 22:54:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11312 to 10868. [2021-10-16 22:54:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10868 states, 10839 states have (on average 1.9898514623120214) internal successors, (21568), 10867 states have internal predecessors, (21568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10868 states to 10868 states and 21568 transitions. [2021-10-16 22:54:39,018 INFO L78 Accepts]: Start accepts. Automaton has 10868 states and 21568 transitions. Word has length 95 [2021-10-16 22:54:39,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:39,018 INFO L470 AbstractCegarLoop]: Abstraction has 10868 states and 21568 transitions. [2021-10-16 22:54:39,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 10868 states and 21568 transitions. [2021-10-16 22:54:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:39,019 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:39,019 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:39,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-10-16 22:54:39,019 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:39,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:39,020 INFO L82 PathProgramCache]: Analyzing trace with hash -586217848, now seen corresponding path program 27 times [2021-10-16 22:54:39,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:39,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285829933] [2021-10-16 22:54:39,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:39,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:39,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:39,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285829933] [2021-10-16 22:54:39,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285829933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:39,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:39,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:39,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572203129] [2021-10-16 22:54:39,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:39,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:39,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:39,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:39,163 INFO L87 Difference]: Start difference. First operand 10868 states and 21568 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:40,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:40,560 INFO L93 Difference]: Finished difference Result 11274 states and 22377 transitions. [2021-10-16 22:54:40,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:54:40,561 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:40,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:40,572 INFO L225 Difference]: With dead ends: 11274 [2021-10-16 22:54:40,572 INFO L226 Difference]: Without dead ends: 11274 [2021-10-16 22:54:40,572 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 329.1ms TimeCoverageRelationStatistics Valid=202, Invalid=920, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:40,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2021-10-16 22:54:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 10870. [2021-10-16 22:54:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10870 states, 10841 states have (on average 1.989853334563232) internal successors, (21572), 10869 states have internal predecessors, (21572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10870 states to 10870 states and 21572 transitions. [2021-10-16 22:54:40,671 INFO L78 Accepts]: Start accepts. Automaton has 10870 states and 21572 transitions. Word has length 95 [2021-10-16 22:54:40,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:40,671 INFO L470 AbstractCegarLoop]: Abstraction has 10870 states and 21572 transitions. [2021-10-16 22:54:40,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 10870 states and 21572 transitions. [2021-10-16 22:54:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:40,672 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:40,672 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:40,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-10-16 22:54:40,672 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:40,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:40,672 INFO L82 PathProgramCache]: Analyzing trace with hash 681496550, now seen corresponding path program 28 times [2021-10-16 22:54:40,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:40,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015306846] [2021-10-16 22:54:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:40,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:40,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:40,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015306846] [2021-10-16 22:54:40,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015306846] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:40,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:40,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:40,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901678350] [2021-10-16 22:54:40,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:40,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:40,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:40,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:40,814 INFO L87 Difference]: Start difference. First operand 10870 states and 21572 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:41,904 INFO L93 Difference]: Finished difference Result 11332 states and 22492 transitions. [2021-10-16 22:54:41,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:54:41,904 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:41,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:41,915 INFO L225 Difference]: With dead ends: 11332 [2021-10-16 22:54:41,915 INFO L226 Difference]: Without dead ends: 11332 [2021-10-16 22:54:41,915 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 294.0ms TimeCoverageRelationStatistics Valid=201, Invalid=921, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:41,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11332 states. [2021-10-16 22:54:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11332 to 10882. [2021-10-16 22:54:42,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10882 states, 10853 states have (on average 1.9899566940016584) internal successors, (21597), 10881 states have internal predecessors, (21597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10882 states to 10882 states and 21597 transitions. [2021-10-16 22:54:42,015 INFO L78 Accepts]: Start accepts. Automaton has 10882 states and 21597 transitions. Word has length 95 [2021-10-16 22:54:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:42,015 INFO L470 AbstractCegarLoop]: Abstraction has 10882 states and 21597 transitions. [2021-10-16 22:54:42,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:42,015 INFO L276 IsEmpty]: Start isEmpty. Operand 10882 states and 21597 transitions. [2021-10-16 22:54:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:42,016 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:42,016 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:42,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-10-16 22:54:42,016 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:42,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:42,016 INFO L82 PathProgramCache]: Analyzing trace with hash -136260114, now seen corresponding path program 29 times [2021-10-16 22:54:42,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:42,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308723445] [2021-10-16 22:54:42,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:42,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:42,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:42,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308723445] [2021-10-16 22:54:42,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308723445] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:42,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:42,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:42,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854506165] [2021-10-16 22:54:42,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:42,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:42,169 INFO L87 Difference]: Start difference. First operand 10882 states and 21597 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:43,137 INFO L93 Difference]: Finished difference Result 11260 states and 22350 transitions. [2021-10-16 22:54:43,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:54:43,138 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:43,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:43,149 INFO L225 Difference]: With dead ends: 11260 [2021-10-16 22:54:43,149 INFO L226 Difference]: Without dead ends: 11260 [2021-10-16 22:54:43,149 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 255.6ms TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:54:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11260 states. [2021-10-16 22:54:43,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11260 to 10888. [2021-10-16 22:54:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10888 states, 10859 states have (on average 1.989962243300488) internal successors, (21609), 10887 states have internal predecessors, (21609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10888 states to 10888 states and 21609 transitions. [2021-10-16 22:54:43,267 INFO L78 Accepts]: Start accepts. Automaton has 10888 states and 21609 transitions. Word has length 95 [2021-10-16 22:54:43,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:43,267 INFO L470 AbstractCegarLoop]: Abstraction has 10888 states and 21609 transitions. [2021-10-16 22:54:43,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 10888 states and 21609 transitions. [2021-10-16 22:54:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:43,268 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:43,268 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:43,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-10-16 22:54:43,268 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:43,269 INFO L82 PathProgramCache]: Analyzing trace with hash 998422962, now seen corresponding path program 30 times [2021-10-16 22:54:43,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:43,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394973993] [2021-10-16 22:54:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:43,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:43,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:43,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394973993] [2021-10-16 22:54:43,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394973993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:43,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:43,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:43,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161818001] [2021-10-16 22:54:43,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:43,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:43,412 INFO L87 Difference]: Start difference. First operand 10888 states and 21609 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:44,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:44,681 INFO L93 Difference]: Finished difference Result 11336 states and 22502 transitions. [2021-10-16 22:54:44,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:54:44,681 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:44,693 INFO L225 Difference]: With dead ends: 11336 [2021-10-16 22:54:44,693 INFO L226 Difference]: Without dead ends: 11336 [2021-10-16 22:54:44,693 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 308.9ms TimeCoverageRelationStatistics Valid=218, Invalid=904, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:44,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11336 states. [2021-10-16 22:54:44,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11336 to 10886. [2021-10-16 22:54:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10886 states, 10857 states have (on average 1.9899603942157134) internal successors, (21605), 10885 states have internal predecessors, (21605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10886 states to 10886 states and 21605 transitions. [2021-10-16 22:54:44,793 INFO L78 Accepts]: Start accepts. Automaton has 10886 states and 21605 transitions. Word has length 95 [2021-10-16 22:54:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:44,793 INFO L470 AbstractCegarLoop]: Abstraction has 10886 states and 21605 transitions. [2021-10-16 22:54:44,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 10886 states and 21605 transitions. [2021-10-16 22:54:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:44,794 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:44,794 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:44,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-10-16 22:54:44,794 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:44,794 INFO L82 PathProgramCache]: Analyzing trace with hash -519758832, now seen corresponding path program 31 times [2021-10-16 22:54:44,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:44,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627864145] [2021-10-16 22:54:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:44,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:44,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:44,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627864145] [2021-10-16 22:54:44,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627864145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:44,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:44,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:44,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091827784] [2021-10-16 22:54:44,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:44,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:44,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:44,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:44,932 INFO L87 Difference]: Start difference. First operand 10886 states and 21605 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:46,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:46,087 INFO L93 Difference]: Finished difference Result 11338 states and 22506 transitions. [2021-10-16 22:54:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:54:46,087 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:46,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:46,098 INFO L225 Difference]: With dead ends: 11338 [2021-10-16 22:54:46,098 INFO L226 Difference]: Without dead ends: 11338 [2021-10-16 22:54:46,099 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 305.3ms TimeCoverageRelationStatistics Valid=205, Invalid=917, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:46,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11338 states. [2021-10-16 22:54:46,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11338 to 10888. [2021-10-16 22:54:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10888 states, 10859 states have (on average 1.989962243300488) internal successors, (21609), 10887 states have internal predecessors, (21609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:46,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10888 states to 10888 states and 21609 transitions. [2021-10-16 22:54:46,198 INFO L78 Accepts]: Start accepts. Automaton has 10888 states and 21609 transitions. Word has length 95 [2021-10-16 22:54:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:46,198 INFO L470 AbstractCegarLoop]: Abstraction has 10888 states and 21609 transitions. [2021-10-16 22:54:46,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:46,198 INFO L276 IsEmpty]: Start isEmpty. Operand 10888 states and 21609 transitions. [2021-10-16 22:54:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:46,199 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:46,199 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:46,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-10-16 22:54:46,199 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:46,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:46,199 INFO L82 PathProgramCache]: Analyzing trace with hash 747955566, now seen corresponding path program 32 times [2021-10-16 22:54:46,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:46,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620875481] [2021-10-16 22:54:46,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:46,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:46,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:46,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620875481] [2021-10-16 22:54:46,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620875481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:46,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:46,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:46,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859838947] [2021-10-16 22:54:46,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:46,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:46,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:46,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:46,356 INFO L87 Difference]: Start difference. First operand 10888 states and 21609 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:47,373 INFO L93 Difference]: Finished difference Result 11408 states and 22646 transitions. [2021-10-16 22:54:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:54:47,373 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:47,384 INFO L225 Difference]: With dead ends: 11408 [2021-10-16 22:54:47,384 INFO L226 Difference]: Without dead ends: 11408 [2021-10-16 22:54:47,384 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 290.4ms TimeCoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2021-10-16 22:54:47,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11408 states. [2021-10-16 22:54:47,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11408 to 10884. [2021-10-16 22:54:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10884 states, 10855 states have (on average 1.9899585444495624) internal successors, (21601), 10883 states have internal predecessors, (21601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10884 states to 10884 states and 21601 transitions. [2021-10-16 22:54:47,483 INFO L78 Accepts]: Start accepts. Automaton has 10884 states and 21601 transitions. Word has length 95 [2021-10-16 22:54:47,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:47,484 INFO L470 AbstractCegarLoop]: Abstraction has 10884 states and 21601 transitions. [2021-10-16 22:54:47,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:47,484 INFO L276 IsEmpty]: Start isEmpty. Operand 10884 states and 21601 transitions. [2021-10-16 22:54:47,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:47,484 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:47,485 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:47,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-10-16 22:54:47,485 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:47,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:47,485 INFO L82 PathProgramCache]: Analyzing trace with hash -164551050, now seen corresponding path program 33 times [2021-10-16 22:54:47,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:47,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519546420] [2021-10-16 22:54:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:47,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:47,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:47,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519546420] [2021-10-16 22:54:47,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519546420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:47,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:47,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:47,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538962507] [2021-10-16 22:54:47,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:47,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:47,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:47,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:47,598 INFO L87 Difference]: Start difference. First operand 10884 states and 21601 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:49,222 INFO L93 Difference]: Finished difference Result 11585 states and 22994 transitions. [2021-10-16 22:54:49,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:54:49,222 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:49,234 INFO L225 Difference]: With dead ends: 11585 [2021-10-16 22:54:49,234 INFO L226 Difference]: Without dead ends: 11585 [2021-10-16 22:54:49,234 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 389.2ms TimeCoverageRelationStatistics Valid=386, Invalid=1594, Unknown=0, NotChecked=0, Total=1980 [2021-10-16 22:54:49,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11585 states. [2021-10-16 22:54:49,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11585 to 10898. [2021-10-16 22:54:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10898 states, 10869 states have (on average 1.9900634833011317) internal successors, (21630), 10897 states have internal predecessors, (21630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10898 states to 10898 states and 21630 transitions. [2021-10-16 22:54:49,338 INFO L78 Accepts]: Start accepts. Automaton has 10898 states and 21630 transitions. Word has length 95 [2021-10-16 22:54:49,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:49,338 INFO L470 AbstractCegarLoop]: Abstraction has 10898 states and 21630 transitions. [2021-10-16 22:54:49,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 10898 states and 21630 transitions. [2021-10-16 22:54:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:49,339 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:49,339 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:49,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-10-16 22:54:49,339 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:49,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:49,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1815523636, now seen corresponding path program 34 times [2021-10-16 22:54:49,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:49,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297874952] [2021-10-16 22:54:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:49,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:49,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:49,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297874952] [2021-10-16 22:54:49,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297874952] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:49,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:49,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:49,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720780697] [2021-10-16 22:54:49,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:49,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:49,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:49,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:49,477 INFO L87 Difference]: Start difference. First operand 10898 states and 21630 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:50,935 INFO L93 Difference]: Finished difference Result 20428 states and 40564 transitions. [2021-10-16 22:54:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-16 22:54:50,935 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:50,957 INFO L225 Difference]: With dead ends: 20428 [2021-10-16 22:54:50,957 INFO L226 Difference]: Without dead ends: 20428 [2021-10-16 22:54:50,958 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 224.8ms TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 22:54:50,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20428 states. [2021-10-16 22:54:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20428 to 10980. [2021-10-16 22:54:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10980 states, 10951 states have (on average 1.9901378869509634) internal successors, (21794), 10979 states have internal predecessors, (21794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10980 states to 10980 states and 21794 transitions. [2021-10-16 22:54:51,102 INFO L78 Accepts]: Start accepts. Automaton has 10980 states and 21794 transitions. Word has length 95 [2021-10-16 22:54:51,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:51,102 INFO L470 AbstractCegarLoop]: Abstraction has 10980 states and 21794 transitions. [2021-10-16 22:54:51,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 10980 states and 21794 transitions. [2021-10-16 22:54:51,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:51,103 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:51,103 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:51,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-10-16 22:54:51,104 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:51,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:51,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1344760584, now seen corresponding path program 35 times [2021-10-16 22:54:51,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:51,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872748906] [2021-10-16 22:54:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:51,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:51,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:51,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872748906] [2021-10-16 22:54:51,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872748906] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:51,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:51,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:51,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201401085] [2021-10-16 22:54:51,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:51,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:51,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:51,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:51,243 INFO L87 Difference]: Start difference. First operand 10980 states and 21794 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:53,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:53,078 INFO L93 Difference]: Finished difference Result 20424 states and 40560 transitions. [2021-10-16 22:54:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:54:53,078 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:53,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:53,102 INFO L225 Difference]: With dead ends: 20424 [2021-10-16 22:54:53,102 INFO L226 Difference]: Without dead ends: 20424 [2021-10-16 22:54:53,103 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 293.5ms TimeCoverageRelationStatistics Valid=248, Invalid=1012, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:54:53,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20424 states. [2021-10-16 22:54:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20424 to 10978. [2021-10-16 22:54:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10978 states, 10949 states have (on average 1.9901360854872592) internal successors, (21790), 10977 states have internal predecessors, (21790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10978 states to 10978 states and 21790 transitions. [2021-10-16 22:54:53,246 INFO L78 Accepts]: Start accepts. Automaton has 10978 states and 21790 transitions. Word has length 95 [2021-10-16 22:54:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:53,246 INFO L470 AbstractCegarLoop]: Abstraction has 10978 states and 21790 transitions. [2021-10-16 22:54:53,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 10978 states and 21790 transitions. [2021-10-16 22:54:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:53,247 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:53,247 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:53,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-10-16 22:54:53,247 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1432024918, now seen corresponding path program 36 times [2021-10-16 22:54:53,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:53,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117524587] [2021-10-16 22:54:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:53,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:53,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:53,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117524587] [2021-10-16 22:54:53,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117524587] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:53,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:53,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:53,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079882582] [2021-10-16 22:54:53,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:53,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:53,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:53,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:53,383 INFO L87 Difference]: Start difference. First operand 10978 states and 21790 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:55,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:55,156 INFO L93 Difference]: Finished difference Result 20426 states and 40564 transitions. [2021-10-16 22:54:55,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:54:55,156 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:55,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:55,180 INFO L225 Difference]: With dead ends: 20426 [2021-10-16 22:54:55,180 INFO L226 Difference]: Without dead ends: 20426 [2021-10-16 22:54:55,181 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 318.8ms TimeCoverageRelationStatistics Valid=233, Invalid=1027, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:54:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20426 states. [2021-10-16 22:54:55,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20426 to 10980. [2021-10-16 22:54:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10980 states, 10951 states have (on average 1.9901378869509634) internal successors, (21794), 10979 states have internal predecessors, (21794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10980 states to 10980 states and 21794 transitions. [2021-10-16 22:54:55,333 INFO L78 Accepts]: Start accepts. Automaton has 10980 states and 21794 transitions. Word has length 95 [2021-10-16 22:54:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:55,333 INFO L470 AbstractCegarLoop]: Abstraction has 10980 states and 21794 transitions. [2021-10-16 22:54:55,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 10980 states and 21794 transitions. [2021-10-16 22:54:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:55,334 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:55,334 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:55,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-10-16 22:54:55,334 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:55,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:55,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1595227980, now seen corresponding path program 37 times [2021-10-16 22:54:55,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:55,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651984578] [2021-10-16 22:54:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:55,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:55,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:55,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651984578] [2021-10-16 22:54:55,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651984578] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:55,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:55,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:55,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764933336] [2021-10-16 22:54:55,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:55,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:55,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:55,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:55,469 INFO L87 Difference]: Start difference. First operand 10980 states and 21794 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:57,057 INFO L93 Difference]: Finished difference Result 20496 states and 40704 transitions. [2021-10-16 22:54:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:54:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:57,081 INFO L225 Difference]: With dead ends: 20496 [2021-10-16 22:54:57,081 INFO L226 Difference]: Without dead ends: 20496 [2021-10-16 22:54:57,082 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 284.7ms TimeCoverageRelationStatistics Valid=232, Invalid=1028, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:54:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20496 states. [2021-10-16 22:54:57,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20496 to 10976. [2021-10-16 22:54:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10976 states, 10947 states have (on average 1.9901342833653055) internal successors, (21786), 10975 states have internal predecessors, (21786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10976 states to 10976 states and 21786 transitions. [2021-10-16 22:54:57,281 INFO L78 Accepts]: Start accepts. Automaton has 10976 states and 21786 transitions. Word has length 95 [2021-10-16 22:54:57,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:57,281 INFO L470 AbstractCegarLoop]: Abstraction has 10976 states and 21786 transitions. [2021-10-16 22:54:57,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 10976 states and 21786 transitions. [2021-10-16 22:54:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:57,282 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:57,282 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:57,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-10-16 22:54:57,282 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:57,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:57,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1787232700, now seen corresponding path program 38 times [2021-10-16 22:54:57,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:57,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869327964] [2021-10-16 22:54:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:57,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:54:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:54:57,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:54:57,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869327964] [2021-10-16 22:54:57,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869327964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:54:57,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:54:57,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:54:57,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716803201] [2021-10-16 22:54:57,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:54:57,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:54:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:54:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:54:57,392 INFO L87 Difference]: Start difference. First operand 10976 states and 21786 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:59,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:54:59,738 INFO L93 Difference]: Finished difference Result 20637 states and 40982 transitions. [2021-10-16 22:54:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:54:59,739 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:54:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:54:59,762 INFO L225 Difference]: With dead ends: 20637 [2021-10-16 22:54:59,762 INFO L226 Difference]: Without dead ends: 20637 [2021-10-16 22:54:59,763 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 397.7ms TimeCoverageRelationStatistics Valid=433, Invalid=1823, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:54:59,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20637 states. [2021-10-16 22:54:59,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20637 to 10974. [2021-10-16 22:54:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10974 states, 10945 states have (on average 1.9901324805847418) internal successors, (21782), 10973 states have internal predecessors, (21782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10974 states to 10974 states and 21782 transitions. [2021-10-16 22:54:59,905 INFO L78 Accepts]: Start accepts. Automaton has 10974 states and 21782 transitions. Word has length 95 [2021-10-16 22:54:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:54:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 10974 states and 21782 transitions. [2021-10-16 22:54:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:54:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 10974 states and 21782 transitions. [2021-10-16 22:54:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:54:59,906 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:54:59,906 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:54:59,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-10-16 22:54:59,906 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:54:59,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:54:59,907 INFO L82 PathProgramCache]: Analyzing trace with hash 833486906, now seen corresponding path program 39 times [2021-10-16 22:54:59,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:54:59,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359544471] [2021-10-16 22:54:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:54:59,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:54:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:00,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:00,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359544471] [2021-10-16 22:55:00,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359544471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:00,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:00,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:00,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13969150] [2021-10-16 22:55:00,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:00,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:00,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:00,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:00,011 INFO L87 Difference]: Start difference. First operand 10974 states and 21782 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:02,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:02,348 INFO L93 Difference]: Finished difference Result 20625 states and 40958 transitions. [2021-10-16 22:55:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:55:02,348 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:02,371 INFO L225 Difference]: With dead ends: 20625 [2021-10-16 22:55:02,371 INFO L226 Difference]: Without dead ends: 20625 [2021-10-16 22:55:02,372 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 381.1ms TimeCoverageRelationStatistics Valid=456, Invalid=1994, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:55:02,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20625 states. [2021-10-16 22:55:02,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20625 to 10974. [2021-10-16 22:55:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10974 states, 10945 states have (on average 1.9901324805847418) internal successors, (21782), 10973 states have internal predecessors, (21782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10974 states to 10974 states and 21782 transitions. [2021-10-16 22:55:02,525 INFO L78 Accepts]: Start accepts. Automaton has 10974 states and 21782 transitions. Word has length 95 [2021-10-16 22:55:02,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:02,525 INFO L470 AbstractCegarLoop]: Abstraction has 10974 states and 21782 transitions. [2021-10-16 22:55:02,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10974 states and 21782 transitions. [2021-10-16 22:55:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:02,526 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:02,526 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:02,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-10-16 22:55:02,526 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:02,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:02,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1792772360, now seen corresponding path program 40 times [2021-10-16 22:55:02,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:02,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444819352] [2021-10-16 22:55:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:02,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:02,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:02,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444819352] [2021-10-16 22:55:02,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444819352] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:02,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:02,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:02,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167013237] [2021-10-16 22:55:02,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:02,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:02,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:02,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:02,629 INFO L87 Difference]: Start difference. First operand 10974 states and 21782 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:04,620 INFO L93 Difference]: Finished difference Result 20336 states and 40383 transitions. [2021-10-16 22:55:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:55:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:04,645 INFO L225 Difference]: With dead ends: 20336 [2021-10-16 22:55:04,645 INFO L226 Difference]: Without dead ends: 20336 [2021-10-16 22:55:04,646 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 376.0ms TimeCoverageRelationStatistics Valid=461, Invalid=2089, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:55:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20336 states. [2021-10-16 22:55:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20336 to 10950. [2021-10-16 22:55:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10950 states, 10921 states have (on average 1.9902023624210237) internal successors, (21735), 10949 states have internal predecessors, (21735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10950 states to 10950 states and 21735 transitions. [2021-10-16 22:55:04,804 INFO L78 Accepts]: Start accepts. Automaton has 10950 states and 21735 transitions. Word has length 95 [2021-10-16 22:55:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:04,805 INFO L470 AbstractCegarLoop]: Abstraction has 10950 states and 21735 transitions. [2021-10-16 22:55:04,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 10950 states and 21735 transitions. [2021-10-16 22:55:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:04,806 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:04,806 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:04,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-10-16 22:55:04,806 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:04,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:04,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1098988347, now seen corresponding path program 155 times [2021-10-16 22:55:04,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:04,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876378973] [2021-10-16 22:55:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:04,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:04,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:04,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876378973] [2021-10-16 22:55:04,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876378973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:04,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:04,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:04,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920021692] [2021-10-16 22:55:04,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:04,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:04,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:04,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:04,916 INFO L87 Difference]: Start difference. First operand 10950 states and 21735 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:07,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:07,363 INFO L93 Difference]: Finished difference Result 20094 states and 39902 transitions. [2021-10-16 22:55:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:55:07,363 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:07,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:07,386 INFO L225 Difference]: With dead ends: 20094 [2021-10-16 22:55:07,386 INFO L226 Difference]: Without dead ends: 20094 [2021-10-16 22:55:07,386 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 200.1ms TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:55:07,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20094 states. [2021-10-16 22:55:07,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20094 to 10845. [2021-10-16 22:55:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 10816 states have (on average 1.989737426035503) internal successors, (21521), 10844 states have internal predecessors, (21521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 21521 transitions. [2021-10-16 22:55:07,525 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 21521 transitions. Word has length 95 [2021-10-16 22:55:07,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:07,525 INFO L470 AbstractCegarLoop]: Abstraction has 10845 states and 21521 transitions. [2021-10-16 22:55:07,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:07,525 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 21521 transitions. [2021-10-16 22:55:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:07,526 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:07,526 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:07,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-10-16 22:55:07,526 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:07,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash -595073768, now seen corresponding path program 41 times [2021-10-16 22:55:07,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:07,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195295659] [2021-10-16 22:55:07,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:07,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:07,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:07,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195295659] [2021-10-16 22:55:07,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195295659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:07,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:07,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:07,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407116023] [2021-10-16 22:55:07,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:07,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:07,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:07,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:07,668 INFO L87 Difference]: Start difference. First operand 10845 states and 21521 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:09,872 INFO L93 Difference]: Finished difference Result 29210 states and 58010 transitions. [2021-10-16 22:55:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:55:09,872 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:09,903 INFO L225 Difference]: With dead ends: 29210 [2021-10-16 22:55:09,903 INFO L226 Difference]: Without dead ends: 29210 [2021-10-16 22:55:09,903 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 302.8ms TimeCoverageRelationStatistics Valid=331, Invalid=1309, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:55:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29210 states. [2021-10-16 22:55:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29210 to 10977. [2021-10-16 22:55:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10977 states, 10948 states have (on average 1.9898611618560467) internal successors, (21785), 10976 states have internal predecessors, (21785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10977 states to 10977 states and 21785 transitions. [2021-10-16 22:55:10,072 INFO L78 Accepts]: Start accepts. Automaton has 10977 states and 21785 transitions. Word has length 95 [2021-10-16 22:55:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:10,072 INFO L470 AbstractCegarLoop]: Abstraction has 10977 states and 21785 transitions. [2021-10-16 22:55:10,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:10,073 INFO L276 IsEmpty]: Start isEmpty. Operand 10977 states and 21785 transitions. [2021-10-16 22:55:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:10,073 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:10,074 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:10,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-10-16 22:55:10,074 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:10,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:10,074 INFO L82 PathProgramCache]: Analyzing trace with hash 539609308, now seen corresponding path program 42 times [2021-10-16 22:55:10,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:10,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939339226] [2021-10-16 22:55:10,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:10,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:10,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:10,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939339226] [2021-10-16 22:55:10,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939339226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:10,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:10,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:10,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287542462] [2021-10-16 22:55:10,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:10,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:10,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:10,214 INFO L87 Difference]: Start difference. First operand 10977 states and 21785 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:12,572 INFO L93 Difference]: Finished difference Result 29206 states and 58006 transitions. [2021-10-16 22:55:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:55:12,573 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:12,610 INFO L225 Difference]: With dead ends: 29206 [2021-10-16 22:55:12,610 INFO L226 Difference]: Without dead ends: 29206 [2021-10-16 22:55:12,611 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 366.3ms TimeCoverageRelationStatistics Valid=352, Invalid=1454, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:55:12,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29206 states. [2021-10-16 22:55:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29206 to 10991. [2021-10-16 22:55:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10991 states, 10962 states have (on average 1.989965334792921) internal successors, (21814), 10990 states have internal predecessors, (21814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10991 states to 10991 states and 21814 transitions. [2021-10-16 22:55:12,795 INFO L78 Accepts]: Start accepts. Automaton has 10991 states and 21814 transitions. Word has length 95 [2021-10-16 22:55:12,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:12,795 INFO L470 AbstractCegarLoop]: Abstraction has 10991 states and 21814 transitions. [2021-10-16 22:55:12,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 10991 states and 21814 transitions. [2021-10-16 22:55:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:12,796 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:12,796 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:12,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-10-16 22:55:12,796 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:12,796 INFO L82 PathProgramCache]: Analyzing trace with hash -978572486, now seen corresponding path program 43 times [2021-10-16 22:55:12,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:12,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79039815] [2021-10-16 22:55:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:12,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:12,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:12,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79039815] [2021-10-16 22:55:12,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79039815] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:12,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:12,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:12,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829844703] [2021-10-16 22:55:12,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:12,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:12,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:12,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:12,948 INFO L87 Difference]: Start difference. First operand 10991 states and 21814 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:15,045 INFO L93 Difference]: Finished difference Result 29262 states and 58118 transitions. [2021-10-16 22:55:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:55:15,046 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:15,083 INFO L225 Difference]: With dead ends: 29262 [2021-10-16 22:55:15,084 INFO L226 Difference]: Without dead ends: 29262 [2021-10-16 22:55:15,084 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 364.4ms TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:55:15,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29262 states. [2021-10-16 22:55:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29262 to 10993. [2021-10-16 22:55:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10993 states, 10964 states have (on average 1.9899671652681503) internal successors, (21818), 10992 states have internal predecessors, (21818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10993 states to 10993 states and 21818 transitions. [2021-10-16 22:55:15,268 INFO L78 Accepts]: Start accepts. Automaton has 10993 states and 21818 transitions. Word has length 95 [2021-10-16 22:55:15,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:15,268 INFO L470 AbstractCegarLoop]: Abstraction has 10993 states and 21818 transitions. [2021-10-16 22:55:15,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 10993 states and 21818 transitions. [2021-10-16 22:55:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:15,270 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:15,270 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:15,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-10-16 22:55:15,270 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:15,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash 289141912, now seen corresponding path program 44 times [2021-10-16 22:55:15,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:15,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219942609] [2021-10-16 22:55:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:15,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:15,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:15,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219942609] [2021-10-16 22:55:15,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219942609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:15,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:15,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:15,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139731138] [2021-10-16 22:55:15,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:15,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:15,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:15,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:15,407 INFO L87 Difference]: Start difference. First operand 10993 states and 21818 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:17,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:17,463 INFO L93 Difference]: Finished difference Result 29278 states and 58150 transitions. [2021-10-16 22:55:17,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:55:17,463 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:17,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:17,504 INFO L225 Difference]: With dead ends: 29278 [2021-10-16 22:55:17,504 INFO L226 Difference]: Without dead ends: 29278 [2021-10-16 22:55:17,504 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 354.2ms TimeCoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:55:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29278 states. [2021-10-16 22:55:17,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29278 to 11005. [2021-10-16 22:55:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11005 states, 10976 states have (on average 1.9900692419825072) internal successors, (21843), 11004 states have internal predecessors, (21843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11005 states to 11005 states and 21843 transitions. [2021-10-16 22:55:17,703 INFO L78 Accepts]: Start accepts. Automaton has 11005 states and 21843 transitions. Word has length 95 [2021-10-16 22:55:17,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:17,704 INFO L470 AbstractCegarLoop]: Abstraction has 11005 states and 21843 transitions. [2021-10-16 22:55:17,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 11005 states and 21843 transitions. [2021-10-16 22:55:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:17,705 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:17,705 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:17,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-10-16 22:55:17,705 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:17,705 INFO L82 PathProgramCache]: Analyzing trace with hash -623364704, now seen corresponding path program 45 times [2021-10-16 22:55:17,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:17,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250641915] [2021-10-16 22:55:17,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:17,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:17,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:17,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250641915] [2021-10-16 22:55:17,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250641915] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:17,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:17,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:17,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089661931] [2021-10-16 22:55:17,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:17,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:17,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:17,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:17,817 INFO L87 Difference]: Start difference. First operand 11005 states and 21843 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:21,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:21,145 INFO L93 Difference]: Finished difference Result 29700 states and 58986 transitions. [2021-10-16 22:55:21,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:55:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:21,188 INFO L225 Difference]: With dead ends: 29700 [2021-10-16 22:55:21,189 INFO L226 Difference]: Without dead ends: 29700 [2021-10-16 22:55:21,189 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 525.2ms TimeCoverageRelationStatistics Valid=661, Invalid=2761, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:55:21,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29700 states. [2021-10-16 22:55:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29700 to 11019. [2021-10-16 22:55:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11019 states, 10990 states have (on average 1.9901728844404003) internal successors, (21872), 11018 states have internal predecessors, (21872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11019 states to 11019 states and 21872 transitions. [2021-10-16 22:55:21,400 INFO L78 Accepts]: Start accepts. Automaton has 11019 states and 21872 transitions. Word has length 95 [2021-10-16 22:55:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:21,400 INFO L470 AbstractCegarLoop]: Abstraction has 11019 states and 21872 transitions. [2021-10-16 22:55:21,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 11019 states and 21872 transitions. [2021-10-16 22:55:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:21,401 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:21,401 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:21,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-10-16 22:55:21,401 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:21,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:21,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1577110498, now seen corresponding path program 46 times [2021-10-16 22:55:21,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:21,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844479822] [2021-10-16 22:55:21,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:21,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:21,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:21,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844479822] [2021-10-16 22:55:21,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844479822] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:21,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:21,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:21,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491265434] [2021-10-16 22:55:21,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:21,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:21,507 INFO L87 Difference]: Start difference. First operand 11019 states and 21872 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:24,323 INFO L93 Difference]: Finished difference Result 38556 states and 76582 transitions. [2021-10-16 22:55:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:55:24,324 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:24,378 INFO L225 Difference]: With dead ends: 38556 [2021-10-16 22:55:24,378 INFO L226 Difference]: Without dead ends: 38556 [2021-10-16 22:55:24,379 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 500.0ms TimeCoverageRelationStatistics Valid=666, Invalid=2874, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:55:24,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38556 states. [2021-10-16 22:55:24,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38556 to 11027. [2021-10-16 22:55:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11027 states, 10998 states have (on average 1.9901800327332242) internal successors, (21888), 11026 states have internal predecessors, (21888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11027 states to 11027 states and 21888 transitions. [2021-10-16 22:55:24,653 INFO L78 Accepts]: Start accepts. Automaton has 11027 states and 21888 transitions. Word has length 95 [2021-10-16 22:55:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:24,653 INFO L470 AbstractCegarLoop]: Abstraction has 11027 states and 21888 transitions. [2021-10-16 22:55:24,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 11027 states and 21888 transitions. [2021-10-16 22:55:24,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:24,654 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:24,654 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:24,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-10-16 22:55:24,654 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:24,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:24,655 INFO L82 PathProgramCache]: Analyzing trace with hash 91597532, now seen corresponding path program 47 times [2021-10-16 22:55:24,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:24,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280463964] [2021-10-16 22:55:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:24,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:24,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:24,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280463964] [2021-10-16 22:55:24,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280463964] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:24,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:24,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:24,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025512136] [2021-10-16 22:55:24,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:24,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:24,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:24,758 INFO L87 Difference]: Start difference. First operand 11027 states and 21888 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:28,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:28,107 INFO L93 Difference]: Finished difference Result 38267 states and 76007 transitions. [2021-10-16 22:55:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:55:28,107 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:28,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:28,156 INFO L225 Difference]: With dead ends: 38267 [2021-10-16 22:55:28,156 INFO L226 Difference]: Without dead ends: 38267 [2021-10-16 22:55:28,156 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 494.0ms TimeCoverageRelationStatistics Valid=673, Invalid=2987, Unknown=0, NotChecked=0, Total=3660 [2021-10-16 22:55:28,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38267 states. [2021-10-16 22:55:28,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38267 to 11063. [2021-10-16 22:55:28,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11063 states, 11034 states have (on average 1.9903027007431575) internal successors, (21961), 11062 states have internal predecessors, (21961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11063 states to 11063 states and 21961 transitions. [2021-10-16 22:55:28,416 INFO L78 Accepts]: Start accepts. Automaton has 11063 states and 21961 transitions. Word has length 95 [2021-10-16 22:55:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:28,417 INFO L470 AbstractCegarLoop]: Abstraction has 11063 states and 21961 transitions. [2021-10-16 22:55:28,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 11063 states and 21961 transitions. [2021-10-16 22:55:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:28,418 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:28,418 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:28,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-10-16 22:55:28,418 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:28,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:28,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1311609057, now seen corresponding path program 156 times [2021-10-16 22:55:28,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:28,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379685424] [2021-10-16 22:55:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:28,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:28,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:28,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379685424] [2021-10-16 22:55:28,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379685424] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:28,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:28,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:28,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850141932] [2021-10-16 22:55:28,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:28,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:28,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:28,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:28,523 INFO L87 Difference]: Start difference. First operand 11063 states and 21961 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:32,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:32,707 INFO L93 Difference]: Finished difference Result 37989 states and 75460 transitions. [2021-10-16 22:55:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:55:32,707 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:32,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:32,762 INFO L225 Difference]: With dead ends: 37989 [2021-10-16 22:55:32,762 INFO L226 Difference]: Without dead ends: 37989 [2021-10-16 22:55:32,762 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 267.4ms TimeCoverageRelationStatistics Valid=285, Invalid=1355, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:55:32,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37989 states. [2021-10-16 22:55:33,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37989 to 10951. [2021-10-16 22:55:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10951 states, 10922 states have (on average 1.9898370261856804) internal successors, (21733), 10950 states have internal predecessors, (21733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10951 states to 10951 states and 21733 transitions. [2021-10-16 22:55:33,025 INFO L78 Accepts]: Start accepts. Automaton has 10951 states and 21733 transitions. Word has length 95 [2021-10-16 22:55:33,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:33,025 INFO L470 AbstractCegarLoop]: Abstraction has 10951 states and 21733 transitions. [2021-10-16 22:55:33,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 10951 states and 21733 transitions. [2021-10-16 22:55:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:33,026 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:33,026 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:33,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-10-16 22:55:33,026 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2044600941, now seen corresponding path program 157 times [2021-10-16 22:55:33,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:33,027 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136393807] [2021-10-16 22:55:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:33,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:33,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:33,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136393807] [2021-10-16 22:55:33,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136393807] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:33,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:33,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:33,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732449355] [2021-10-16 22:55:33,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:33,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:33,163 INFO L87 Difference]: Start difference. First operand 10951 states and 21733 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:35,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:35,040 INFO L93 Difference]: Finished difference Result 20775 states and 41262 transitions. [2021-10-16 22:55:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:55:35,040 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:35,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:35,064 INFO L225 Difference]: With dead ends: 20775 [2021-10-16 22:55:35,064 INFO L226 Difference]: Without dead ends: 20775 [2021-10-16 22:55:35,064 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 219.0ms TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:55:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20775 states. [2021-10-16 22:55:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20775 to 10971. [2021-10-16 22:55:35,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10971 states, 10942 states have (on average 1.9899469932370681) internal successors, (21774), 10970 states have internal predecessors, (21774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10971 states to 10971 states and 21774 transitions. [2021-10-16 22:55:35,214 INFO L78 Accepts]: Start accepts. Automaton has 10971 states and 21774 transitions. Word has length 95 [2021-10-16 22:55:35,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:35,214 INFO L470 AbstractCegarLoop]: Abstraction has 10971 states and 21774 transitions. [2021-10-16 22:55:35,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 10971 states and 21774 transitions. [2021-10-16 22:55:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:35,215 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:35,215 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:35,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-10-16 22:55:35,215 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:35,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:35,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1670562137, now seen corresponding path program 158 times [2021-10-16 22:55:35,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:35,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147074344] [2021-10-16 22:55:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:35,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:35,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:35,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147074344] [2021-10-16 22:55:35,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147074344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:35,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:35,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:35,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925128608] [2021-10-16 22:55:35,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:35,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:35,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:35,359 INFO L87 Difference]: Start difference. First operand 10971 states and 21774 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:37,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:37,777 INFO L93 Difference]: Finished difference Result 20873 states and 41458 transitions. [2021-10-16 22:55:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:55:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:37,801 INFO L225 Difference]: With dead ends: 20873 [2021-10-16 22:55:37,801 INFO L226 Difference]: Without dead ends: 20873 [2021-10-16 22:55:37,801 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 253.1ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:55:37,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20873 states. [2021-10-16 22:55:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20873 to 10983. [2021-10-16 22:55:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10983 states, 10954 states have (on average 1.9900492970604347) internal successors, (21799), 10982 states have internal predecessors, (21799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10983 states to 10983 states and 21799 transitions. [2021-10-16 22:55:37,949 INFO L78 Accepts]: Start accepts. Automaton has 10983 states and 21799 transitions. Word has length 95 [2021-10-16 22:55:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:37,949 INFO L470 AbstractCegarLoop]: Abstraction has 10983 states and 21799 transitions. [2021-10-16 22:55:37,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 10983 states and 21799 transitions. [2021-10-16 22:55:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:37,950 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:37,950 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:37,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-10-16 22:55:37,950 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:37,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1582383119, now seen corresponding path program 159 times [2021-10-16 22:55:37,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:37,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122972960] [2021-10-16 22:55:37,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:37,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:38,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:38,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122972960] [2021-10-16 22:55:38,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122972960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:38,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:38,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:38,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618106347] [2021-10-16 22:55:38,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:38,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:38,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:38,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:38,075 INFO L87 Difference]: Start difference. First operand 10983 states and 21799 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:39,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:39,720 INFO L93 Difference]: Finished difference Result 20945 states and 41602 transitions. [2021-10-16 22:55:39,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:55:39,720 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:39,744 INFO L225 Difference]: With dead ends: 20945 [2021-10-16 22:55:39,744 INFO L226 Difference]: Without dead ends: 20945 [2021-10-16 22:55:39,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 216.2ms TimeCoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:55:39,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20945 states. [2021-10-16 22:55:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20945 to 10995. [2021-10-16 22:55:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10995 states, 10966 states have (on average 1.9901513769834032) internal successors, (21824), 10994 states have internal predecessors, (21824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10995 states to 10995 states and 21824 transitions. [2021-10-16 22:55:39,907 INFO L78 Accepts]: Start accepts. Automaton has 10995 states and 21824 transitions. Word has length 95 [2021-10-16 22:55:39,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:39,907 INFO L470 AbstractCegarLoop]: Abstraction has 10995 states and 21824 transitions. [2021-10-16 22:55:39,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 10995 states and 21824 transitions. [2021-10-16 22:55:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:39,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:39,908 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:39,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-10-16 22:55:39,908 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:39,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1739546235, now seen corresponding path program 160 times [2021-10-16 22:55:39,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:39,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283909472] [2021-10-16 22:55:39,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:39,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:40,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:40,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283909472] [2021-10-16 22:55:40,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283909472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:40,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:40,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:40,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887906202] [2021-10-16 22:55:40,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:40,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:40,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:40,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:40,034 INFO L87 Difference]: Start difference. First operand 10995 states and 21824 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:42,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:42,342 INFO L93 Difference]: Finished difference Result 29314 states and 58225 transitions. [2021-10-16 22:55:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:55:42,343 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:42,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:42,383 INFO L225 Difference]: With dead ends: 29314 [2021-10-16 22:55:42,383 INFO L226 Difference]: Without dead ends: 29314 [2021-10-16 22:55:42,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 188.0ms TimeCoverageRelationStatistics Valid=166, Invalid=764, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:55:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29314 states. [2021-10-16 22:55:42,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29314 to 11031. [2021-10-16 22:55:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11031 states, 11002 states have (on average 1.9902744955462643) internal successors, (21897), 11030 states have internal predecessors, (21897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11031 states to 11031 states and 21897 transitions. [2021-10-16 22:55:42,580 INFO L78 Accepts]: Start accepts. Automaton has 11031 states and 21897 transitions. Word has length 95 [2021-10-16 22:55:42,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:42,581 INFO L470 AbstractCegarLoop]: Abstraction has 11031 states and 21897 transitions. [2021-10-16 22:55:42,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:42,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11031 states and 21897 transitions. [2021-10-16 22:55:42,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:42,582 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:42,582 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:42,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-10-16 22:55:42,582 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:42,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:42,582 INFO L82 PathProgramCache]: Analyzing trace with hash -265311746, now seen corresponding path program 48 times [2021-10-16 22:55:42,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:42,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717137202] [2021-10-16 22:55:42,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:42,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:42,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:42,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717137202] [2021-10-16 22:55:42,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717137202] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:42,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:42,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:42,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309212439] [2021-10-16 22:55:42,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:42,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:42,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:42,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:42,690 INFO L87 Difference]: Start difference. First operand 11031 states and 21897 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:45,217 INFO L93 Difference]: Finished difference Result 29415 states and 58412 transitions. [2021-10-16 22:55:45,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:55:45,217 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:45,254 INFO L225 Difference]: With dead ends: 29415 [2021-10-16 22:55:45,254 INFO L226 Difference]: Without dead ends: 29415 [2021-10-16 22:55:45,255 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 445.1ms TimeCoverageRelationStatistics Valid=505, Invalid=2357, Unknown=0, NotChecked=0, Total=2862 [2021-10-16 22:55:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29415 states. [2021-10-16 22:55:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29415 to 10921. [2021-10-16 22:55:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10921 states, 10892 states have (on average 1.989809034153507) internal successors, (21673), 10920 states have internal predecessors, (21673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10921 states to 10921 states and 21673 transitions. [2021-10-16 22:55:45,437 INFO L78 Accepts]: Start accepts. Automaton has 10921 states and 21673 transitions. Word has length 95 [2021-10-16 22:55:45,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:45,437 INFO L470 AbstractCegarLoop]: Abstraction has 10921 states and 21673 transitions. [2021-10-16 22:55:45,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:45,437 INFO L276 IsEmpty]: Start isEmpty. Operand 10921 states and 21673 transitions. [2021-10-16 22:55:45,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:45,438 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:45,438 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:45,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-10-16 22:55:45,438 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:45,439 INFO L82 PathProgramCache]: Analyzing trace with hash 832526115, now seen corresponding path program 161 times [2021-10-16 22:55:45,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:45,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633330097] [2021-10-16 22:55:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:45,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:45,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:45,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633330097] [2021-10-16 22:55:45,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633330097] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:45,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:45,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:45,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117135306] [2021-10-16 22:55:45,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:45,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:45,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:45,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:45,559 INFO L87 Difference]: Start difference. First operand 10921 states and 21673 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:48,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:48,104 INFO L93 Difference]: Finished difference Result 37292 states and 74066 transitions. [2021-10-16 22:55:48,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:55:48,104 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:48,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:48,149 INFO L225 Difference]: With dead ends: 37292 [2021-10-16 22:55:48,149 INFO L226 Difference]: Without dead ends: 37292 [2021-10-16 22:55:48,149 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 195.9ms TimeCoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:55:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37292 states. [2021-10-16 22:55:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37292 to 10977. [2021-10-16 22:55:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10977 states, 10948 states have (on average 1.9902265253927658) internal successors, (21789), 10976 states have internal predecessors, (21789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10977 states to 10977 states and 21789 transitions. [2021-10-16 22:55:48,369 INFO L78 Accepts]: Start accepts. Automaton has 10977 states and 21789 transitions. Word has length 95 [2021-10-16 22:55:48,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:48,369 INFO L470 AbstractCegarLoop]: Abstraction has 10977 states and 21789 transitions. [2021-10-16 22:55:48,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 10977 states and 21789 transitions. [2021-10-16 22:55:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:48,370 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:48,370 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:48,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-10-16 22:55:48,370 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:48,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:48,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1988206692, now seen corresponding path program 49 times [2021-10-16 22:55:48,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:48,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946658446] [2021-10-16 22:55:48,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:48,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:48,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:48,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946658446] [2021-10-16 22:55:48,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946658446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:48,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:48,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:48,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590696954] [2021-10-16 22:55:48,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:48,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:48,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:48,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:48,474 INFO L87 Difference]: Start difference. First operand 10977 states and 21789 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:52,481 INFO L93 Difference]: Finished difference Result 37676 states and 74814 transitions. [2021-10-16 22:55:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:55:52,482 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:52,528 INFO L225 Difference]: With dead ends: 37676 [2021-10-16 22:55:52,528 INFO L226 Difference]: Without dead ends: 37676 [2021-10-16 22:55:52,528 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 418.0ms TimeCoverageRelationStatistics Valid=505, Invalid=2357, Unknown=0, NotChecked=0, Total=2862 [2021-10-16 22:55:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37676 states. [2021-10-16 22:55:52,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37676 to 10845. [2021-10-16 22:55:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 10816 states have (on average 1.989737426035503) internal successors, (21521), 10844 states have internal predecessors, (21521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 21521 transitions. [2021-10-16 22:55:52,749 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 21521 transitions. Word has length 95 [2021-10-16 22:55:52,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:52,749 INFO L470 AbstractCegarLoop]: Abstraction has 10845 states and 21521 transitions. [2021-10-16 22:55:52,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 21521 transitions. [2021-10-16 22:55:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:52,750 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:52,750 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:52,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-10-16 22:55:52,750 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:52,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1878067168, now seen corresponding path program 50 times [2021-10-16 22:55:52,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:52,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817366704] [2021-10-16 22:55:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:52,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:52,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:52,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817366704] [2021-10-16 22:55:52,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817366704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:52,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:52,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:52,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869622007] [2021-10-16 22:55:52,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:52,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:52,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:52,889 INFO L87 Difference]: Start difference. First operand 10845 states and 21521 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:54,254 INFO L93 Difference]: Finished difference Result 26372 states and 52368 transitions. [2021-10-16 22:55:54,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:55:54,254 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:54,288 INFO L225 Difference]: With dead ends: 26372 [2021-10-16 22:55:54,288 INFO L226 Difference]: Without dead ends: 26372 [2021-10-16 22:55:54,288 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 300.0ms TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:55:54,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26372 states. [2021-10-16 22:55:54,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26372 to 11015. [2021-10-16 22:55:54,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11015 states, 10986 states have (on average 1.9898962315674495) internal successors, (21861), 11014 states have internal predecessors, (21861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11015 states to 11015 states and 21861 transitions. [2021-10-16 22:55:54,514 INFO L78 Accepts]: Start accepts. Automaton has 11015 states and 21861 transitions. Word has length 95 [2021-10-16 22:55:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:54,514 INFO L470 AbstractCegarLoop]: Abstraction has 11015 states and 21861 transitions. [2021-10-16 22:55:54,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 11015 states and 21861 transitions. [2021-10-16 22:55:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:54,515 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:54,515 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:54,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-10-16 22:55:54,516 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:54,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1282217052, now seen corresponding path program 51 times [2021-10-16 22:55:54,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:54,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669533692] [2021-10-16 22:55:54,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:54,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:54,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:54,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669533692] [2021-10-16 22:55:54,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669533692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:54,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:54,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:54,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044249717] [2021-10-16 22:55:54,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:54,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:54,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:54,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:54,658 INFO L87 Difference]: Start difference. First operand 11015 states and 21861 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:56,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:56,808 INFO L93 Difference]: Finished difference Result 26368 states and 52364 transitions. [2021-10-16 22:55:56,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:55:56,808 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:56,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:56,841 INFO L225 Difference]: With dead ends: 26368 [2021-10-16 22:55:56,841 INFO L226 Difference]: Without dead ends: 26368 [2021-10-16 22:55:56,842 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 378.4ms TimeCoverageRelationStatistics Valid=349, Invalid=1373, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:55:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26368 states. [2021-10-16 22:55:56,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26368 to 11029. [2021-10-16 22:55:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11029 states, 11000 states have (on average 1.99) internal successors, (21890), 11028 states have internal predecessors, (21890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11029 states to 11029 states and 21890 transitions. [2021-10-16 22:55:57,013 INFO L78 Accepts]: Start accepts. Automaton has 11029 states and 21890 transitions. Word has length 95 [2021-10-16 22:55:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:57,013 INFO L470 AbstractCegarLoop]: Abstraction has 11029 states and 21890 transitions. [2021-10-16 22:55:57,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 11029 states and 21890 transitions. [2021-10-16 22:55:57,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:57,014 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:57,014 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:57,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-10-16 22:55:57,014 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:57,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:57,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1494568450, now seen corresponding path program 52 times [2021-10-16 22:55:57,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:57,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298848024] [2021-10-16 22:55:57,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:57,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:57,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:57,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298848024] [2021-10-16 22:55:57,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298848024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:57,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:57,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:57,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348997020] [2021-10-16 22:55:57,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:57,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:57,152 INFO L87 Difference]: Start difference. First operand 11029 states and 21890 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:55:59,560 INFO L93 Difference]: Finished difference Result 26424 states and 52476 transitions. [2021-10-16 22:55:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:55:59,561 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:55:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:55:59,596 INFO L225 Difference]: With dead ends: 26424 [2021-10-16 22:55:59,596 INFO L226 Difference]: Without dead ends: 26424 [2021-10-16 22:55:59,597 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 373.4ms TimeCoverageRelationStatistics Valid=319, Invalid=1321, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:55:59,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26424 states. [2021-10-16 22:55:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26424 to 11031. [2021-10-16 22:55:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11031 states, 11002 states have (on average 1.9900018178512997) internal successors, (21894), 11030 states have internal predecessors, (21894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11031 states to 11031 states and 21894 transitions. [2021-10-16 22:55:59,770 INFO L78 Accepts]: Start accepts. Automaton has 11031 states and 21894 transitions. Word has length 95 [2021-10-16 22:55:59,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:55:59,771 INFO L470 AbstractCegarLoop]: Abstraction has 11031 states and 21894 transitions. [2021-10-16 22:55:59,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:55:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 11031 states and 21894 transitions. [2021-10-16 22:55:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:55:59,772 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:55:59,772 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:55:59,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-10-16 22:55:59,772 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:55:59,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:55:59,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1532684448, now seen corresponding path program 53 times [2021-10-16 22:55:59,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:55:59,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923848913] [2021-10-16 22:55:59,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:55:59,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:55:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:55:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:55:59,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:55:59,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923848913] [2021-10-16 22:55:59,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923848913] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:55:59,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:55:59,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:55:59,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054223889] [2021-10-16 22:55:59,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:55:59,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:55:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:55:59,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:55:59,904 INFO L87 Difference]: Start difference. First operand 11031 states and 21894 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:02,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:02,266 INFO L93 Difference]: Finished difference Result 26440 states and 52508 transitions. [2021-10-16 22:56:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:56:02,267 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:02,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:02,335 INFO L225 Difference]: With dead ends: 26440 [2021-10-16 22:56:02,335 INFO L226 Difference]: Without dead ends: 26440 [2021-10-16 22:56:02,335 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 343.9ms TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:56:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26440 states. [2021-10-16 22:56:02,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26440 to 11043. [2021-10-16 22:56:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11043 states, 11014 states have (on average 1.9901035046304703) internal successors, (21919), 11042 states have internal predecessors, (21919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11043 states to 11043 states and 21919 transitions. [2021-10-16 22:56:02,486 INFO L78 Accepts]: Start accepts. Automaton has 11043 states and 21919 transitions. Word has length 95 [2021-10-16 22:56:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:02,486 INFO L470 AbstractCegarLoop]: Abstraction has 11043 states and 21919 transitions. [2021-10-16 22:56:02,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11043 states and 21919 transitions. [2021-10-16 22:56:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:02,487 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:02,487 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:02,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-10-16 22:56:02,488 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:02,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1849776232, now seen corresponding path program 54 times [2021-10-16 22:56:02,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:02,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61027662] [2021-10-16 22:56:02,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:02,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:02,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:02,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61027662] [2021-10-16 22:56:02,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61027662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:02,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:02,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:02,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536938912] [2021-10-16 22:56:02,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:02,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:02,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:02,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:02,600 INFO L87 Difference]: Start difference. First operand 11043 states and 21919 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:05,718 INFO L93 Difference]: Finished difference Result 26862 states and 53344 transitions. [2021-10-16 22:56:05,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:56:05,718 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:05,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:05,753 INFO L225 Difference]: With dead ends: 26862 [2021-10-16 22:56:05,753 INFO L226 Difference]: Without dead ends: 26862 [2021-10-16 22:56:05,754 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 528.1ms TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2021-10-16 22:56:05,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26862 states. [2021-10-16 22:56:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26862 to 11057. [2021-10-16 22:56:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11057 states, 11028 states have (on average 1.9902067464635473) internal successors, (21948), 11056 states have internal predecessors, (21948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11057 states to 11057 states and 21948 transitions. [2021-10-16 22:56:05,972 INFO L78 Accepts]: Start accepts. Automaton has 11057 states and 21948 transitions. Word has length 95 [2021-10-16 22:56:05,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:05,972 INFO L470 AbstractCegarLoop]: Abstraction has 11057 states and 21948 transitions. [2021-10-16 22:56:05,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 11057 states and 21948 transitions. [2021-10-16 22:56:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:05,973 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:05,973 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:05,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-10-16 22:56:05,973 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:05,973 INFO L82 PathProgramCache]: Analyzing trace with hash 896030438, now seen corresponding path program 55 times [2021-10-16 22:56:05,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:05,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596150190] [2021-10-16 22:56:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:05,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:06,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:06,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596150190] [2021-10-16 22:56:06,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596150190] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:06,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:06,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:06,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338481433] [2021-10-16 22:56:06,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:06,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:06,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:06,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:06,085 INFO L87 Difference]: Start difference. First operand 11057 states and 21948 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:09,521 INFO L93 Difference]: Finished difference Result 35718 states and 70940 transitions. [2021-10-16 22:56:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:56:09,521 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:09,567 INFO L225 Difference]: With dead ends: 35718 [2021-10-16 22:56:09,567 INFO L226 Difference]: Without dead ends: 35718 [2021-10-16 22:56:09,568 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 509.6ms TimeCoverageRelationStatistics Valid=669, Invalid=2871, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:56:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35718 states. [2021-10-16 22:56:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35718 to 11065. [2021-10-16 22:56:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11065 states, 11036 states have (on average 1.9902138455962306) internal successors, (21964), 11064 states have internal predecessors, (21964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11065 states to 11065 states and 21964 transitions. [2021-10-16 22:56:09,814 INFO L78 Accepts]: Start accepts. Automaton has 11065 states and 21964 transitions. Word has length 95 [2021-10-16 22:56:09,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:09,814 INFO L470 AbstractCegarLoop]: Abstraction has 11065 states and 21964 transitions. [2021-10-16 22:56:09,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 11065 states and 21964 transitions. [2021-10-16 22:56:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:09,815 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:09,815 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:09,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-10-16 22:56:09,815 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:09,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:09,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1730228828, now seen corresponding path program 56 times [2021-10-16 22:56:09,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:09,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624559801] [2021-10-16 22:56:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:09,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:09,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:09,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624559801] [2021-10-16 22:56:09,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624559801] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:09,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:09,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:09,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058167843] [2021-10-16 22:56:09,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:09,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:09,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:09,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:09,917 INFO L87 Difference]: Start difference. First operand 11065 states and 21964 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:13,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:13,774 INFO L93 Difference]: Finished difference Result 35429 states and 70365 transitions. [2021-10-16 22:56:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:56:13,774 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:13,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:13,819 INFO L225 Difference]: With dead ends: 35429 [2021-10-16 22:56:13,820 INFO L226 Difference]: Without dead ends: 35429 [2021-10-16 22:56:13,820 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 510.4ms TimeCoverageRelationStatistics Valid=693, Invalid=3089, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:56:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35429 states. [2021-10-16 22:56:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35429 to 11101. [2021-10-16 22:56:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11101 states, 11072 states have (on average 1.9903359826589595) internal successors, (22037), 11100 states have internal predecessors, (22037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11101 states to 11101 states and 22037 transitions. [2021-10-16 22:56:14,057 INFO L78 Accepts]: Start accepts. Automaton has 11101 states and 22037 transitions. Word has length 95 [2021-10-16 22:56:14,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:14,057 INFO L470 AbstractCegarLoop]: Abstraction has 11101 states and 22037 transitions. [2021-10-16 22:56:14,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 11101 states and 22037 transitions. [2021-10-16 22:56:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:14,058 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:14,058 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:14,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-10-16 22:56:14,059 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:14,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:14,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1161531879, now seen corresponding path program 162 times [2021-10-16 22:56:14,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:14,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895260285] [2021-10-16 22:56:14,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:14,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:14,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:14,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895260285] [2021-10-16 22:56:14,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895260285] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:14,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:14,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:14,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249077751] [2021-10-16 22:56:14,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:14,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:14,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:14,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:14,166 INFO L87 Difference]: Start difference. First operand 11101 states and 22037 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:17,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:17,524 INFO L93 Difference]: Finished difference Result 35113 states and 69742 transitions. [2021-10-16 22:56:17,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:56:17,524 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:17,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:17,569 INFO L225 Difference]: With dead ends: 35113 [2021-10-16 22:56:17,569 INFO L226 Difference]: Without dead ends: 35113 [2021-10-16 22:56:17,570 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 729 ImplicationChecksByTransitivity, 434.3ms TimeCoverageRelationStatistics Valid=527, Invalid=2335, Unknown=0, NotChecked=0, Total=2862 [2021-10-16 22:56:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35113 states. [2021-10-16 22:56:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35113 to 10989. [2021-10-16 22:56:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10989 states, 10960 states have (on average 1.9898722627737226) internal successors, (21809), 10988 states have internal predecessors, (21809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10989 states to 10989 states and 21809 transitions. [2021-10-16 22:56:17,808 INFO L78 Accepts]: Start accepts. Automaton has 10989 states and 21809 transitions. Word has length 95 [2021-10-16 22:56:17,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:17,808 INFO L470 AbstractCegarLoop]: Abstraction has 10989 states and 21809 transitions. [2021-10-16 22:56:17,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand 10989 states and 21809 transitions. [2021-10-16 22:56:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:17,809 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:17,809 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:17,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-10-16 22:56:17,810 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:17,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:17,810 INFO L82 PathProgramCache]: Analyzing trace with hash 222774581, now seen corresponding path program 163 times [2021-10-16 22:56:17,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:17,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804126553] [2021-10-16 22:56:17,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:17,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:17,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:17,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804126553] [2021-10-16 22:56:17,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804126553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:17,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:17,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:17,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199840573] [2021-10-16 22:56:17,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:17,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:17,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:17,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:17,939 INFO L87 Difference]: Start difference. First operand 10989 states and 21809 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:20,235 INFO L93 Difference]: Finished difference Result 35699 states and 70912 transitions. [2021-10-16 22:56:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:56:20,235 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:20,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:20,282 INFO L225 Difference]: With dead ends: 35699 [2021-10-16 22:56:20,282 INFO L226 Difference]: Without dead ends: 35699 [2021-10-16 22:56:20,282 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 316.6ms TimeCoverageRelationStatistics Valid=295, Invalid=1265, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:56:20,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35699 states. [2021-10-16 22:56:20,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35699 to 11029. [2021-10-16 22:56:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11029 states, 11000 states have (on average 1.99) internal successors, (21890), 11028 states have internal predecessors, (21890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11029 states to 11029 states and 21890 transitions. [2021-10-16 22:56:20,505 INFO L78 Accepts]: Start accepts. Automaton has 11029 states and 21890 transitions. Word has length 95 [2021-10-16 22:56:20,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:20,505 INFO L470 AbstractCegarLoop]: Abstraction has 11029 states and 21890 transitions. [2021-10-16 22:56:20,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 11029 states and 21890 transitions. [2021-10-16 22:56:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:20,506 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:20,507 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:20,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-10-16 22:56:20,507 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash 802578799, now seen corresponding path program 164 times [2021-10-16 22:56:20,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:20,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217856695] [2021-10-16 22:56:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:20,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:20,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:20,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217856695] [2021-10-16 22:56:20,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217856695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:20,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:20,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:20,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683214583] [2021-10-16 22:56:20,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:20,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:20,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:20,654 INFO L87 Difference]: Start difference. First operand 11029 states and 21890 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:22,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:22,973 INFO L93 Difference]: Finished difference Result 35797 states and 71108 transitions. [2021-10-16 22:56:22,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:56:22,973 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:22,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:23,020 INFO L225 Difference]: With dead ends: 35797 [2021-10-16 22:56:23,021 INFO L226 Difference]: Without dead ends: 35797 [2021-10-16 22:56:23,021 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 310.8ms TimeCoverageRelationStatistics Valid=274, Invalid=1208, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:56:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35797 states. [2021-10-16 22:56:23,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35797 to 11041. [2021-10-16 22:56:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11041 states, 11012 states have (on average 1.9901017072284781) internal successors, (21915), 11040 states have internal predecessors, (21915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11041 states to 11041 states and 21915 transitions. [2021-10-16 22:56:23,249 INFO L78 Accepts]: Start accepts. Automaton has 11041 states and 21915 transitions. Word has length 95 [2021-10-16 22:56:23,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:23,250 INFO L470 AbstractCegarLoop]: Abstraction has 11041 states and 21915 transitions. [2021-10-16 22:56:23,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 11041 states and 21915 transitions. [2021-10-16 22:56:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:23,251 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:23,251 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:23,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-10-16 22:56:23,251 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:23,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:23,251 INFO L82 PathProgramCache]: Analyzing trace with hash -239443241, now seen corresponding path program 165 times [2021-10-16 22:56:23,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:23,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344917997] [2021-10-16 22:56:23,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:23,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:23,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:23,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344917997] [2021-10-16 22:56:23,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344917997] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:23,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:23,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:23,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911245878] [2021-10-16 22:56:23,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:23,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:23,377 INFO L87 Difference]: Start difference. First operand 11041 states and 21915 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:25,502 INFO L93 Difference]: Finished difference Result 35869 states and 71252 transitions. [2021-10-16 22:56:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:56:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:25,546 INFO L225 Difference]: With dead ends: 35869 [2021-10-16 22:56:25,546 INFO L226 Difference]: Without dead ends: 35869 [2021-10-16 22:56:25,546 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 294.8ms TimeCoverageRelationStatistics Valid=256, Invalid=1150, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:56:25,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35869 states. [2021-10-16 22:56:25,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35869 to 11053. [2021-10-16 22:56:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11053 states, 11024 states have (on average 1.9902031930333817) internal successors, (21940), 11052 states have internal predecessors, (21940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 21940 transitions. [2021-10-16 22:56:25,759 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 21940 transitions. Word has length 95 [2021-10-16 22:56:25,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:25,760 INFO L470 AbstractCegarLoop]: Abstraction has 11053 states and 21940 transitions. [2021-10-16 22:56:25,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 21940 transitions. [2021-10-16 22:56:25,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:25,761 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:25,761 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:25,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-10-16 22:56:25,761 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:25,761 INFO L82 PathProgramCache]: Analyzing trace with hash 733594701, now seen corresponding path program 166 times [2021-10-16 22:56:25,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:25,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064431211] [2021-10-16 22:56:25,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:25,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:25,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:25,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064431211] [2021-10-16 22:56:25,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064431211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:25,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:25,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:25,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506049312] [2021-10-16 22:56:25,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:25,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:25,880 INFO L87 Difference]: Start difference. First operand 11053 states and 21940 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:28,211 INFO L93 Difference]: Finished difference Result 44238 states and 87875 transitions. [2021-10-16 22:56:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:56:28,211 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:28,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:28,264 INFO L225 Difference]: With dead ends: 44238 [2021-10-16 22:56:28,265 INFO L226 Difference]: Without dead ends: 44238 [2021-10-16 22:56:28,265 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 287.5ms TimeCoverageRelationStatistics Valid=319, Invalid=1403, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:56:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44238 states. [2021-10-16 22:56:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44238 to 11089. [2021-10-16 22:56:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11089 states, 11060 states have (on average 1.9903254972875226) internal successors, (22013), 11088 states have internal predecessors, (22013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11089 states to 11089 states and 22013 transitions. [2021-10-16 22:56:28,503 INFO L78 Accepts]: Start accepts. Automaton has 11089 states and 22013 transitions. Word has length 95 [2021-10-16 22:56:28,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:28,504 INFO L470 AbstractCegarLoop]: Abstraction has 11089 states and 22013 transitions. [2021-10-16 22:56:28,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 11089 states and 22013 transitions. [2021-10-16 22:56:28,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:28,505 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:28,505 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:28,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-10-16 22:56:28,505 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:28,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -2087138106, now seen corresponding path program 57 times [2021-10-16 22:56:28,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:28,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880998298] [2021-10-16 22:56:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:28,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:28,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:28,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880998298] [2021-10-16 22:56:28,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880998298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:28,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:28,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:28,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789815551] [2021-10-16 22:56:28,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:28,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:28,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:28,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:28,609 INFO L87 Difference]: Start difference. First operand 11089 states and 22013 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:32,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:32,087 INFO L93 Difference]: Finished difference Result 44584 states and 88542 transitions. [2021-10-16 22:56:32,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:56:32,087 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:32,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:32,140 INFO L225 Difference]: With dead ends: 44584 [2021-10-16 22:56:32,141 INFO L226 Difference]: Without dead ends: 44584 [2021-10-16 22:56:32,141 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 536.1ms TimeCoverageRelationStatistics Valid=738, Invalid=3422, Unknown=0, NotChecked=0, Total=4160 [2021-10-16 22:56:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44584 states. [2021-10-16 22:56:32,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44584 to 10993. [2021-10-16 22:56:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10993 states, 10964 states have (on average 1.989875957679679) internal successors, (21817), 10992 states have internal predecessors, (21817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10993 states to 10993 states and 21817 transitions. [2021-10-16 22:56:32,382 INFO L78 Accepts]: Start accepts. Automaton has 10993 states and 21817 transitions. Word has length 95 [2021-10-16 22:56:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:32,382 INFO L470 AbstractCegarLoop]: Abstraction has 10993 states and 21817 transitions. [2021-10-16 22:56:32,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 10993 states and 21817 transitions. [2021-10-16 22:56:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:32,383 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:32,383 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:32,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-10-16 22:56:32,383 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:32,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -989300245, now seen corresponding path program 167 times [2021-10-16 22:56:32,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:32,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940802749] [2021-10-16 22:56:32,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:32,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:32,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:32,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940802749] [2021-10-16 22:56:32,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940802749] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:32,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:32,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:32,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939033999] [2021-10-16 22:56:32,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:32,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:32,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:32,506 INFO L87 Difference]: Start difference. First operand 10993 states and 21817 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:34,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:34,639 INFO L93 Difference]: Finished difference Result 52216 states and 103716 transitions. [2021-10-16 22:56:34,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:56:34,639 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:34,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:34,772 INFO L225 Difference]: With dead ends: 52216 [2021-10-16 22:56:34,772 INFO L226 Difference]: Without dead ends: 52216 [2021-10-16 22:56:34,772 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 316.2ms TimeCoverageRelationStatistics Valid=345, Invalid=1547, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:56:34,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52216 states. [2021-10-16 22:56:34,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52216 to 11089. [2021-10-16 22:56:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11089 states, 11060 states have (on average 1.9903254972875226) internal successors, (22013), 11088 states have internal predecessors, (22013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11089 states to 11089 states and 22013 transitions. [2021-10-16 22:56:35,002 INFO L78 Accepts]: Start accepts. Automaton has 11089 states and 22013 transitions. Word has length 95 [2021-10-16 22:56:35,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:35,002 INFO L470 AbstractCegarLoop]: Abstraction has 11089 states and 22013 transitions. [2021-10-16 22:56:35,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:35,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11089 states and 22013 transitions. [2021-10-16 22:56:35,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:35,003 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:35,003 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:35,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-10-16 22:56:35,003 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:35,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:35,004 INFO L82 PathProgramCache]: Analyzing trace with hash 484934244, now seen corresponding path program 58 times [2021-10-16 22:56:35,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:35,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722361556] [2021-10-16 22:56:35,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:35,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:35,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:35,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722361556] [2021-10-16 22:56:35,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722361556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:35,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:35,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:35,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361566281] [2021-10-16 22:56:35,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:35,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:35,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:35,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:35,107 INFO L87 Difference]: Start difference. First operand 11089 states and 22013 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:39,564 INFO L93 Difference]: Finished difference Result 52845 states and 104944 transitions. [2021-10-16 22:56:39,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:56:39,564 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:39,637 INFO L225 Difference]: With dead ends: 52845 [2021-10-16 22:56:39,638 INFO L226 Difference]: Without dead ends: 52845 [2021-10-16 22:56:39,638 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 533.6ms TimeCoverageRelationStatistics Valid=738, Invalid=3422, Unknown=0, NotChecked=0, Total=4160 [2021-10-16 22:56:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52845 states. [2021-10-16 22:56:39,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52845 to 10985. [2021-10-16 22:56:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10985 states, 10956 states have (on average 1.98986856516977) internal successors, (21801), 10984 states have internal predecessors, (21801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10985 states to 10985 states and 21801 transitions. [2021-10-16 22:56:39,919 INFO L78 Accepts]: Start accepts. Automaton has 10985 states and 21801 transitions. Word has length 95 [2021-10-16 22:56:39,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:39,919 INFO L470 AbstractCegarLoop]: Abstraction has 10985 states and 21801 transitions. [2021-10-16 22:56:39,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 10985 states and 21801 transitions. [2021-10-16 22:56:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:39,920 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:39,920 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:39,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-10-16 22:56:39,920 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:39,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:39,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1981016759, now seen corresponding path program 168 times [2021-10-16 22:56:39,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:39,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198640730] [2021-10-16 22:56:39,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:39,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:40,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:40,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198640730] [2021-10-16 22:56:40,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198640730] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:40,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:40,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:40,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834227801] [2021-10-16 22:56:40,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:40,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:40,061 INFO L87 Difference]: Start difference. First operand 10985 states and 21801 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:41,788 INFO L93 Difference]: Finished difference Result 17738 states and 35224 transitions. [2021-10-16 22:56:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-16 22:56:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:41,806 INFO L225 Difference]: With dead ends: 17738 [2021-10-16 22:56:41,806 INFO L226 Difference]: Without dead ends: 17738 [2021-10-16 22:56:41,806 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 188.0ms TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:56:41,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17738 states. [2021-10-16 22:56:41,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17738 to 10995. [2021-10-16 22:56:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10995 states, 10966 states have (on average 1.989877804121831) internal successors, (21821), 10994 states have internal predecessors, (21821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10995 states to 10995 states and 21821 transitions. [2021-10-16 22:56:41,929 INFO L78 Accepts]: Start accepts. Automaton has 10995 states and 21821 transitions. Word has length 95 [2021-10-16 22:56:41,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:41,929 INFO L470 AbstractCegarLoop]: Abstraction has 10995 states and 21821 transitions. [2021-10-16 22:56:41,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 10995 states and 21821 transitions. [2021-10-16 22:56:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:41,930 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:41,930 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:41,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-10-16 22:56:41,930 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:41,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1821851787, now seen corresponding path program 169 times [2021-10-16 22:56:41,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:41,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7626932] [2021-10-16 22:56:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:41,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:42,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:42,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7626932] [2021-10-16 22:56:42,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7626932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:42,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:42,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:42,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21547955] [2021-10-16 22:56:42,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:42,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:42,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:42,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:42,070 INFO L87 Difference]: Start difference. First operand 10995 states and 21821 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:43,932 INFO L93 Difference]: Finished difference Result 17814 states and 35376 transitions. [2021-10-16 22:56:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:43,932 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:43,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:43,952 INFO L225 Difference]: With dead ends: 17814 [2021-10-16 22:56:43,952 INFO L226 Difference]: Without dead ends: 17814 [2021-10-16 22:56:43,952 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 243.6ms TimeCoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17814 states. [2021-10-16 22:56:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17814 to 11009. [2021-10-16 22:56:44,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11009 states, 10980 states have (on average 1.9899817850637522) internal successors, (21850), 11008 states have internal predecessors, (21850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11009 states to 11009 states and 21850 transitions. [2021-10-16 22:56:44,147 INFO L78 Accepts]: Start accepts. Automaton has 11009 states and 21850 transitions. Word has length 95 [2021-10-16 22:56:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:44,147 INFO L470 AbstractCegarLoop]: Abstraction has 11009 states and 21850 transitions. [2021-10-16 22:56:44,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11009 states and 21850 transitions. [2021-10-16 22:56:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:44,148 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:44,148 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:44,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-10-16 22:56:44,148 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1959946195, now seen corresponding path program 170 times [2021-10-16 22:56:44,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:44,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80183572] [2021-10-16 22:56:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:44,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:44,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:44,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80183572] [2021-10-16 22:56:44,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80183572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:44,282 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:44,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:44,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37629736] [2021-10-16 22:56:44,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:44,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:44,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:44,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:44,283 INFO L87 Difference]: Start difference. First operand 11009 states and 21850 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:46,286 INFO L93 Difference]: Finished difference Result 17824 states and 35396 transitions. [2021-10-16 22:56:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:46,286 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:46,307 INFO L225 Difference]: With dead ends: 17824 [2021-10-16 22:56:46,307 INFO L226 Difference]: Without dead ends: 17824 [2021-10-16 22:56:46,307 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 259.7ms TimeCoverageRelationStatistics Valid=184, Invalid=686, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:46,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17824 states. [2021-10-16 22:56:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17824 to 11011. [2021-10-16 22:56:46,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11011 states, 10982 states have (on average 1.9899836095428884) internal successors, (21854), 11010 states have internal predecessors, (21854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11011 states to 11011 states and 21854 transitions. [2021-10-16 22:56:46,442 INFO L78 Accepts]: Start accepts. Automaton has 11011 states and 21854 transitions. Word has length 95 [2021-10-16 22:56:46,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:46,442 INFO L470 AbstractCegarLoop]: Abstraction has 11011 states and 21854 transitions. [2021-10-16 22:56:46,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand 11011 states and 21854 transitions. [2021-10-16 22:56:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:46,443 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:46,443 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:46,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-10-16 22:56:46,444 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1380141977, now seen corresponding path program 171 times [2021-10-16 22:56:46,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:46,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696952359] [2021-10-16 22:56:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:46,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:46,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:46,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696952359] [2021-10-16 22:56:46,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696952359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:46,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:46,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:46,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266752238] [2021-10-16 22:56:46,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:46,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:46,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:46,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:46,596 INFO L87 Difference]: Start difference. First operand 11011 states and 21854 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:48,381 INFO L93 Difference]: Finished difference Result 17881 states and 35510 transitions. [2021-10-16 22:56:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:48,382 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:48,402 INFO L225 Difference]: With dead ends: 17881 [2021-10-16 22:56:48,402 INFO L226 Difference]: Without dead ends: 17881 [2021-10-16 22:56:48,403 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 259.4ms TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17881 states. [2021-10-16 22:56:48,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17881 to 11023. [2021-10-16 22:56:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11023 states, 10994 states have (on average 1.9900855011824632) internal successors, (21879), 11022 states have internal predecessors, (21879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11023 states to 11023 states and 21879 transitions. [2021-10-16 22:56:48,533 INFO L78 Accepts]: Start accepts. Automaton has 11023 states and 21879 transitions. Word has length 95 [2021-10-16 22:56:48,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:48,533 INFO L470 AbstractCegarLoop]: Abstraction has 11023 states and 21879 transitions. [2021-10-16 22:56:48,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11023 states and 21879 transitions. [2021-10-16 22:56:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:48,534 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:48,534 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:48,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-10-16 22:56:48,535 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:48,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:48,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1935402443, now seen corresponding path program 172 times [2021-10-16 22:56:48,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:48,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961517755] [2021-10-16 22:56:48,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:48,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:48,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:48,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961517755] [2021-10-16 22:56:48,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961517755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:48,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:48,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:48,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328982335] [2021-10-16 22:56:48,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:48,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:48,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:48,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:48,666 INFO L87 Difference]: Start difference. First operand 11023 states and 21879 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:50,422 INFO L93 Difference]: Finished difference Result 17845 states and 35438 transitions. [2021-10-16 22:56:50,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:50,422 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:50,440 INFO L225 Difference]: With dead ends: 17845 [2021-10-16 22:56:50,441 INFO L226 Difference]: Without dead ends: 17845 [2021-10-16 22:56:50,441 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 256.3ms TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:50,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17845 states. [2021-10-16 22:56:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17845 to 11027. [2021-10-16 22:56:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11027 states, 10998 states have (on average 1.9900891071103837) internal successors, (21887), 11026 states have internal predecessors, (21887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11027 states to 11027 states and 21887 transitions. [2021-10-16 22:56:50,567 INFO L78 Accepts]: Start accepts. Automaton has 11027 states and 21887 transitions. Word has length 95 [2021-10-16 22:56:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:50,567 INFO L470 AbstractCegarLoop]: Abstraction has 11027 states and 21887 transitions. [2021-10-16 22:56:50,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 11027 states and 21887 transitions. [2021-10-16 22:56:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:50,568 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:50,569 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:50,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-10-16 22:56:50,569 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:50,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1355598225, now seen corresponding path program 173 times [2021-10-16 22:56:50,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:50,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004967979] [2021-10-16 22:56:50,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:50,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:50,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:50,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004967979] [2021-10-16 22:56:50,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004967979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:50,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:50,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:50,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020783897] [2021-10-16 22:56:50,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:50,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:50,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:50,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:50,699 INFO L87 Difference]: Start difference. First operand 11027 states and 21887 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:52,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:52,366 INFO L93 Difference]: Finished difference Result 17943 states and 35634 transitions. [2021-10-16 22:56:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:52,367 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:52,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:52,387 INFO L225 Difference]: With dead ends: 17943 [2021-10-16 22:56:52,387 INFO L226 Difference]: Without dead ends: 17943 [2021-10-16 22:56:52,387 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 260.0ms TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:52,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17943 states. [2021-10-16 22:56:52,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17943 to 11025. [2021-10-16 22:56:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11025 states, 10996 states have (on average 1.9900873044743543) internal successors, (21883), 11024 states have internal predecessors, (21883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 21883 transitions. [2021-10-16 22:56:52,539 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 21883 transitions. Word has length 95 [2021-10-16 22:56:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:52,540 INFO L470 AbstractCegarLoop]: Abstraction has 11025 states and 21883 transitions. [2021-10-16 22:56:52,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 21883 transitions. [2021-10-16 22:56:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:52,541 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:52,541 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:52,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-10-16 22:56:52,541 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:52,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:52,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1897347031, now seen corresponding path program 174 times [2021-10-16 22:56:52,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:52,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667356917] [2021-10-16 22:56:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:52,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:52,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:52,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667356917] [2021-10-16 22:56:52,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667356917] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:52,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:52,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:52,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14604630] [2021-10-16 22:56:52,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:52,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:52,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:52,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:52,666 INFO L87 Difference]: Start difference. First operand 11025 states and 21883 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:54,098 INFO L93 Difference]: Finished difference Result 17955 states and 35658 transitions. [2021-10-16 22:56:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:56:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:54,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:54,120 INFO L225 Difference]: With dead ends: 17955 [2021-10-16 22:56:54,121 INFO L226 Difference]: Without dead ends: 17955 [2021-10-16 22:56:54,121 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 240.5ms TimeCoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:56:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17955 states. [2021-10-16 22:56:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17955 to 11037. [2021-10-16 22:56:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11037 states, 11008 states have (on average 1.990188953488372) internal successors, (21908), 11036 states have internal predecessors, (21908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11037 states to 11037 states and 21908 transitions. [2021-10-16 22:56:54,254 INFO L78 Accepts]: Start accepts. Automaton has 11037 states and 21908 transitions. Word has length 95 [2021-10-16 22:56:54,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:54,254 INFO L470 AbstractCegarLoop]: Abstraction has 11037 states and 21908 transitions. [2021-10-16 22:56:54,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 11037 states and 21908 transitions. [2021-10-16 22:56:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:54,255 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:54,255 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:54,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-10-16 22:56:54,255 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:54,255 INFO L82 PathProgramCache]: Analyzing trace with hash -848949907, now seen corresponding path program 175 times [2021-10-16 22:56:54,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:54,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809283339] [2021-10-16 22:56:54,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:54,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:54,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:54,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809283339] [2021-10-16 22:56:54,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809283339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:54,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:54,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:54,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577016250] [2021-10-16 22:56:54,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:54,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:54,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:54,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:54,384 INFO L87 Difference]: Start difference. First operand 11037 states and 21908 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:56,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:56,545 INFO L93 Difference]: Finished difference Result 26632 states and 52895 transitions. [2021-10-16 22:56:56,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:56:56,546 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:56,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:56,579 INFO L225 Difference]: With dead ends: 26632 [2021-10-16 22:56:56,579 INFO L226 Difference]: Without dead ends: 26632 [2021-10-16 22:56:56,580 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 238.5ms TimeCoverageRelationStatistics Valid=191, Invalid=739, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:56:56,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26632 states. [2021-10-16 22:56:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26632 to 11049. [2021-10-16 22:56:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11049 states, 11020 states have (on average 1.9901996370235935) internal successors, (21932), 11048 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11049 states to 11049 states and 21932 transitions. [2021-10-16 22:56:56,752 INFO L78 Accepts]: Start accepts. Automaton has 11049 states and 21932 transitions. Word has length 95 [2021-10-16 22:56:56,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:56,752 INFO L470 AbstractCegarLoop]: Abstraction has 11049 states and 21932 transitions. [2021-10-16 22:56:56,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 11049 states and 21932 transitions. [2021-10-16 22:56:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:56,753 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:56,753 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:56,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-10-16 22:56:56,753 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash -269145689, now seen corresponding path program 176 times [2021-10-16 22:56:56,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:56,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328824231] [2021-10-16 22:56:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:56,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:56,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:56,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328824231] [2021-10-16 22:56:56,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328824231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:56,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:56,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:56,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269101132] [2021-10-16 22:56:56,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:56,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:56,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:56,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:56,878 INFO L87 Difference]: Start difference. First operand 11049 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:59,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:56:59,512 INFO L93 Difference]: Finished difference Result 26730 states and 53091 transitions. [2021-10-16 22:56:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:56:59,513 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:56:59,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:56:59,545 INFO L225 Difference]: With dead ends: 26730 [2021-10-16 22:56:59,545 INFO L226 Difference]: Without dead ends: 26730 [2021-10-16 22:56:59,546 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 237.2ms TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:56:59,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26730 states. [2021-10-16 22:56:59,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26730 to 11047. [2021-10-16 22:56:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11047 states, 11018 states have (on average 1.990197858050463) internal successors, (21928), 11046 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11047 states to 11047 states and 21928 transitions. [2021-10-16 22:56:59,719 INFO L78 Accepts]: Start accepts. Automaton has 11047 states and 21928 transitions. Word has length 95 [2021-10-16 22:56:59,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:56:59,719 INFO L470 AbstractCegarLoop]: Abstraction has 11047 states and 21928 transitions. [2021-10-16 22:56:59,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:56:59,719 INFO L276 IsEmpty]: Start isEmpty. Operand 11047 states and 21928 transitions. [2021-10-16 22:56:59,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:56:59,720 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:56:59,720 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:56:59,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-10-16 22:56:59,720 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:56:59,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:56:59,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1311167729, now seen corresponding path program 177 times [2021-10-16 22:56:59,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:56:59,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890871827] [2021-10-16 22:56:59,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:56:59,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:56:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:56:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:56:59,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:56:59,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890871827] [2021-10-16 22:56:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890871827] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:56:59,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:56:59,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:56:59,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400781346] [2021-10-16 22:56:59,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:56:59,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:56:59,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:56:59,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:56:59,844 INFO L87 Difference]: Start difference. First operand 11047 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:01,569 INFO L93 Difference]: Finished difference Result 26802 states and 53235 transitions. [2021-10-16 22:57:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:57:01,569 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:01,599 INFO L225 Difference]: With dead ends: 26802 [2021-10-16 22:57:01,599 INFO L226 Difference]: Without dead ends: 26802 [2021-10-16 22:57:01,599 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 239.8ms TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:57:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26802 states. [2021-10-16 22:57:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26802 to 11045. [2021-10-16 22:57:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11045 states, 11016 states have (on average 1.9901960784313726) internal successors, (21924), 11044 states have internal predecessors, (21924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11045 states to 11045 states and 21924 transitions. [2021-10-16 22:57:01,773 INFO L78 Accepts]: Start accepts. Automaton has 11045 states and 21924 transitions. Word has length 95 [2021-10-16 22:57:01,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:01,773 INFO L470 AbstractCegarLoop]: Abstraction has 11045 states and 21924 transitions. [2021-10-16 22:57:01,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 11045 states and 21924 transitions. [2021-10-16 22:57:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:01,774 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:01,774 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:01,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-10-16 22:57:01,775 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:01,775 INFO L82 PathProgramCache]: Analyzing trace with hash -338129787, now seen corresponding path program 178 times [2021-10-16 22:57:01,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:01,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034349811] [2021-10-16 22:57:01,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:01,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:01,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:01,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034349811] [2021-10-16 22:57:01,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034349811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:01,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:01,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:01,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286427823] [2021-10-16 22:57:01,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:01,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:01,898 INFO L87 Difference]: Start difference. First operand 11045 states and 21924 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:03,879 INFO L93 Difference]: Finished difference Result 26464 states and 52559 transitions. [2021-10-16 22:57:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-16 22:57:03,879 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:03,912 INFO L225 Difference]: With dead ends: 26464 [2021-10-16 22:57:03,912 INFO L226 Difference]: Without dead ends: 26464 [2021-10-16 22:57:03,913 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 233.2ms TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:57:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26464 states. [2021-10-16 22:57:04,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26464 to 11081. [2021-10-16 22:57:04,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11081 states, 11052 states have (on average 1.9903184943901557) internal successors, (21997), 11080 states have internal predecessors, (21997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11081 states to 11081 states and 21997 transitions. [2021-10-16 22:57:04,097 INFO L78 Accepts]: Start accepts. Automaton has 11081 states and 21997 transitions. Word has length 95 [2021-10-16 22:57:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:04,097 INFO L470 AbstractCegarLoop]: Abstraction has 11081 states and 21997 transitions. [2021-10-16 22:57:04,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 11081 states and 21997 transitions. [2021-10-16 22:57:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:04,098 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:04,098 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:04,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-10-16 22:57:04,098 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:04,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:04,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1136104702, now seen corresponding path program 59 times [2021-10-16 22:57:04,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:04,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309823093] [2021-10-16 22:57:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:04,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:04,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:04,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309823093] [2021-10-16 22:57:04,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309823093] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:04,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:04,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:04,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251061782] [2021-10-16 22:57:04,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:04,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:04,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:04,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:04,204 INFO L87 Difference]: Start difference. First operand 11081 states and 21997 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:07,031 INFO L93 Difference]: Finished difference Result 26603 states and 52822 transitions. [2021-10-16 22:57:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:57:07,031 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:07,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:07,067 INFO L225 Difference]: With dead ends: 26603 [2021-10-16 22:57:07,067 INFO L226 Difference]: Without dead ends: 26603 [2021-10-16 22:57:07,067 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 408.2ms TimeCoverageRelationStatistics Valid=483, Invalid=2273, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:57:07,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26603 states. [2021-10-16 22:57:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26603 to 10955. [2021-10-16 22:57:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10955 states, 10926 states have (on average 1.9898407468423942) internal successors, (21741), 10954 states have internal predecessors, (21741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10955 states to 10955 states and 21741 transitions. [2021-10-16 22:57:07,246 INFO L78 Accepts]: Start accepts. Automaton has 10955 states and 21741 transitions. Word has length 95 [2021-10-16 22:57:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:07,246 INFO L470 AbstractCegarLoop]: Abstraction has 10955 states and 21741 transitions. [2021-10-16 22:57:07,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 10955 states and 21741 transitions. [2021-10-16 22:57:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:07,247 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:07,247 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:07,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-10-16 22:57:07,247 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:07,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:07,248 INFO L82 PathProgramCache]: Analyzing trace with hash -920218295, now seen corresponding path program 179 times [2021-10-16 22:57:07,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:07,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769963564] [2021-10-16 22:57:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:07,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:07,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:07,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769963564] [2021-10-16 22:57:07,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769963564] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:07,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:07,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:07,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948702890] [2021-10-16 22:57:07,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:07,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:07,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:07,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:07,375 INFO L87 Difference]: Start difference. First operand 10955 states and 21741 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:09,414 INFO L93 Difference]: Finished difference Result 34722 states and 68958 transitions. [2021-10-16 22:57:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:57:09,414 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:09,458 INFO L225 Difference]: With dead ends: 34722 [2021-10-16 22:57:09,458 INFO L226 Difference]: Without dead ends: 34722 [2021-10-16 22:57:09,458 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 287.8ms TimeCoverageRelationStatistics Valid=263, Invalid=1069, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:57:09,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34722 states. [2021-10-16 22:57:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34722 to 10975. [2021-10-16 22:57:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10975 states, 10946 states have (on average 1.9899506669102869) internal successors, (21782), 10974 states have internal predecessors, (21782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10975 states to 10975 states and 21782 transitions. [2021-10-16 22:57:09,678 INFO L78 Accepts]: Start accepts. Automaton has 10975 states and 21782 transitions. Word has length 95 [2021-10-16 22:57:09,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:09,678 INFO L470 AbstractCegarLoop]: Abstraction has 10975 states and 21782 transitions. [2021-10-16 22:57:09,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 10975 states and 21782 transitions. [2021-10-16 22:57:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:09,679 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:09,679 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:09,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-10-16 22:57:09,679 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:09,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:09,679 INFO L82 PathProgramCache]: Analyzing trace with hash -340414077, now seen corresponding path program 180 times [2021-10-16 22:57:09,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:09,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322473270] [2021-10-16 22:57:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:09,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:09,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:09,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322473270] [2021-10-16 22:57:09,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322473270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:09,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:09,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:09,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541250413] [2021-10-16 22:57:09,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:09,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:09,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:09,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:09,805 INFO L87 Difference]: Start difference. First operand 10975 states and 21782 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:11,944 INFO L93 Difference]: Finished difference Result 34820 states and 69154 transitions. [2021-10-16 22:57:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-16 22:57:11,944 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:11,988 INFO L225 Difference]: With dead ends: 34820 [2021-10-16 22:57:11,988 INFO L226 Difference]: Without dead ends: 34820 [2021-10-16 22:57:11,988 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 285.5ms TimeCoverageRelationStatistics Valid=244, Invalid=1016, Unknown=0, NotChecked=0, Total=1260 [2021-10-16 22:57:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34820 states. [2021-10-16 22:57:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34820 to 10987. [2021-10-16 22:57:12,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10987 states, 10958 states have (on average 1.9900529293666727) internal successors, (21807), 10986 states have internal predecessors, (21807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10987 states to 10987 states and 21807 transitions. [2021-10-16 22:57:12,210 INFO L78 Accepts]: Start accepts. Automaton has 10987 states and 21807 transitions. Word has length 95 [2021-10-16 22:57:12,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:12,210 INFO L470 AbstractCegarLoop]: Abstraction has 10987 states and 21807 transitions. [2021-10-16 22:57:12,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10987 states and 21807 transitions. [2021-10-16 22:57:12,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:12,211 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:12,211 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:12,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-10-16 22:57:12,211 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:12,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1382436117, now seen corresponding path program 181 times [2021-10-16 22:57:12,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:12,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645140556] [2021-10-16 22:57:12,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:12,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:12,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:12,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645140556] [2021-10-16 22:57:12,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645140556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:12,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:12,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:12,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253416112] [2021-10-16 22:57:12,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:12,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:12,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:12,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:12,335 INFO L87 Difference]: Start difference. First operand 10987 states and 21807 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:15,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:15,006 INFO L93 Difference]: Finished difference Result 34892 states and 69298 transitions. [2021-10-16 22:57:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-16 22:57:15,006 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:15,045 INFO L225 Difference]: With dead ends: 34892 [2021-10-16 22:57:15,045 INFO L226 Difference]: Without dead ends: 34892 [2021-10-16 22:57:15,046 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 272.5ms TimeCoverageRelationStatistics Valid=228, Invalid=962, Unknown=0, NotChecked=0, Total=1190 [2021-10-16 22:57:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34892 states. [2021-10-16 22:57:15,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34892 to 10999. [2021-10-16 22:57:15,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10999 states, 10970 states have (on average 1.990154968094804) internal successors, (21832), 10998 states have internal predecessors, (21832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10999 states to 10999 states and 21832 transitions. [2021-10-16 22:57:15,242 INFO L78 Accepts]: Start accepts. Automaton has 10999 states and 21832 transitions. Word has length 95 [2021-10-16 22:57:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:15,242 INFO L470 AbstractCegarLoop]: Abstraction has 10999 states and 21832 transitions. [2021-10-16 22:57:15,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:15,242 INFO L276 IsEmpty]: Start isEmpty. Operand 10999 states and 21832 transitions. [2021-10-16 22:57:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:15,243 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:15,243 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:15,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-10-16 22:57:15,243 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:15,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:15,244 INFO L82 PathProgramCache]: Analyzing trace with hash -409398175, now seen corresponding path program 182 times [2021-10-16 22:57:15,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:15,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673986984] [2021-10-16 22:57:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:15,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:15,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:15,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673986984] [2021-10-16 22:57:15,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673986984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:15,362 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:15,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:15,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587097196] [2021-10-16 22:57:15,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:15,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:15,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:15,363 INFO L87 Difference]: Start difference. First operand 10999 states and 21832 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:17,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:17,693 INFO L93 Difference]: Finished difference Result 43352 states and 86103 transitions. [2021-10-16 22:57:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:57:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:17,746 INFO L225 Difference]: With dead ends: 43352 [2021-10-16 22:57:17,746 INFO L226 Difference]: Without dead ends: 43352 [2021-10-16 22:57:17,746 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 266.7ms TimeCoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:57:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43352 states. [2021-10-16 22:57:17,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43352 to 11035. [2021-10-16 22:57:17,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11035 states, 11006 states have (on average 1.9902780301653644) internal successors, (21905), 11034 states have internal predecessors, (21905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11035 states to 11035 states and 21905 transitions. [2021-10-16 22:57:17,985 INFO L78 Accepts]: Start accepts. Automaton has 11035 states and 21905 transitions. Word has length 95 [2021-10-16 22:57:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:17,985 INFO L470 AbstractCegarLoop]: Abstraction has 11035 states and 21905 transitions. [2021-10-16 22:57:17,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 11035 states and 21905 transitions. [2021-10-16 22:57:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:17,986 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:17,986 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:17,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-10-16 22:57:17,986 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:17,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:17,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1064836314, now seen corresponding path program 60 times [2021-10-16 22:57:17,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:17,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046628475] [2021-10-16 22:57:17,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:17,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:18,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:18,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046628475] [2021-10-16 22:57:18,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046628475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:18,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:18,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:18,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977103919] [2021-10-16 22:57:18,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:18,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:18,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:18,089 INFO L87 Difference]: Start difference. First operand 11035 states and 21905 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:21,416 INFO L93 Difference]: Finished difference Result 43698 states and 86770 transitions. [2021-10-16 22:57:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-16 22:57:21,416 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:21,471 INFO L225 Difference]: With dead ends: 43698 [2021-10-16 22:57:21,471 INFO L226 Difference]: Without dead ends: 43698 [2021-10-16 22:57:21,471 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 810 ImplicationChecksByTransitivity, 459.5ms TimeCoverageRelationStatistics Valid=591, Invalid=2715, Unknown=0, NotChecked=0, Total=3306 [2021-10-16 22:57:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43698 states. [2021-10-16 22:57:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43698 to 10925. [2021-10-16 22:57:21,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10925 states, 10896 states have (on average 1.9898127753303965) internal successors, (21681), 10924 states have internal predecessors, (21681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 21681 transitions. [2021-10-16 22:57:21,719 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 21681 transitions. Word has length 95 [2021-10-16 22:57:21,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:21,719 INFO L470 AbstractCegarLoop]: Abstraction has 10925 states and 21681 transitions. [2021-10-16 22:57:21,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 21681 transitions. [2021-10-16 22:57:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:21,720 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:21,720 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:21,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-10-16 22:57:21,720 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:21,720 INFO L82 PathProgramCache]: Analyzing trace with hash 156896419, now seen corresponding path program 183 times [2021-10-16 22:57:21,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:21,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987251699] [2021-10-16 22:57:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:21,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:21,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:21,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987251699] [2021-10-16 22:57:21,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987251699] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:21,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:21,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:21,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530635990] [2021-10-16 22:57:21,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:21,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:21,842 INFO L87 Difference]: Start difference. First operand 10925 states and 21681 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:24,079 INFO L93 Difference]: Finished difference Result 34412 states and 68340 transitions. [2021-10-16 22:57:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:57:24,080 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:24,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:24,126 INFO L225 Difference]: With dead ends: 34412 [2021-10-16 22:57:24,126 INFO L226 Difference]: Without dead ends: 34412 [2021-10-16 22:57:24,127 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 262.7ms TimeCoverageRelationStatistics Valid=274, Invalid=1132, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:57:24,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34412 states. [2021-10-16 22:57:24,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34412 to 10981. [2021-10-16 22:57:24,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10981 states, 10952 states have (on average 1.9902300949598246) internal successors, (21797), 10980 states have internal predecessors, (21797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10981 states to 10981 states and 21797 transitions. [2021-10-16 22:57:24,331 INFO L78 Accepts]: Start accepts. Automaton has 10981 states and 21797 transitions. Word has length 95 [2021-10-16 22:57:24,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:24,331 INFO L470 AbstractCegarLoop]: Abstraction has 10981 states and 21797 transitions. [2021-10-16 22:57:24,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 10981 states and 21797 transitions. [2021-10-16 22:57:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:24,332 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:24,332 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:24,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-10-16 22:57:24,332 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:24,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1631130908, now seen corresponding path program 61 times [2021-10-16 22:57:24,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:24,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909744515] [2021-10-16 22:57:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:24,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:24,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:24,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909744515] [2021-10-16 22:57:24,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909744515] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:24,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:24,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:24,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206077913] [2021-10-16 22:57:24,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:24,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:24,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:24,438 INFO L87 Difference]: Start difference. First operand 10981 states and 21797 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:28,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:28,226 INFO L93 Difference]: Finished difference Result 34834 states and 69164 transitions. [2021-10-16 22:57:28,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:57:28,226 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:28,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:28,271 INFO L225 Difference]: With dead ends: 34834 [2021-10-16 22:57:28,271 INFO L226 Difference]: Without dead ends: 34834 [2021-10-16 22:57:28,271 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 446.3ms TimeCoverageRelationStatistics Valid=507, Invalid=2355, Unknown=0, NotChecked=0, Total=2862 [2021-10-16 22:57:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34834 states. [2021-10-16 22:57:28,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34834 to 10845. [2021-10-16 22:57:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10845 states, 10816 states have (on average 1.989737426035503) internal successors, (21521), 10844 states have internal predecessors, (21521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10845 states to 10845 states and 21521 transitions. [2021-10-16 22:57:28,546 INFO L78 Accepts]: Start accepts. Automaton has 10845 states and 21521 transitions. Word has length 95 [2021-10-16 22:57:28,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:28,546 INFO L470 AbstractCegarLoop]: Abstraction has 10845 states and 21521 transitions. [2021-10-16 22:57:28,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10845 states and 21521 transitions. [2021-10-16 22:57:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:28,547 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:28,547 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:28,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-10-16 22:57:28,547 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:28,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:28,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1749556506, now seen corresponding path program 62 times [2021-10-16 22:57:28,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:28,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908145531] [2021-10-16 22:57:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:28,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:28,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:28,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908145531] [2021-10-16 22:57:28,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908145531] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:28,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:28,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:28,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801370396] [2021-10-16 22:57:28,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:28,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:28,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:28,692 INFO L87 Difference]: Start difference. First operand 10845 states and 21521 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:30,906 INFO L93 Difference]: Finished difference Result 20568 states and 40838 transitions. [2021-10-16 22:57:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:57:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:30,930 INFO L225 Difference]: With dead ends: 20568 [2021-10-16 22:57:30,930 INFO L226 Difference]: Without dead ends: 20568 [2021-10-16 22:57:30,930 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 257.0ms TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:57:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20568 states. [2021-10-16 22:57:31,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20568 to 11034. [2021-10-16 22:57:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11034 states, 11005 states have (on average 1.989913675601999) internal successors, (21899), 11033 states have internal predecessors, (21899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11034 states to 11034 states and 21899 transitions. [2021-10-16 22:57:31,074 INFO L78 Accepts]: Start accepts. Automaton has 11034 states and 21899 transitions. Word has length 95 [2021-10-16 22:57:31,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:31,074 INFO L470 AbstractCegarLoop]: Abstraction has 11034 states and 21899 transitions. [2021-10-16 22:57:31,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11034 states and 21899 transitions. [2021-10-16 22:57:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:31,075 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:31,075 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:31,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-10-16 22:57:31,075 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:31,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:31,075 INFO L82 PathProgramCache]: Analyzing trace with hash -614873430, now seen corresponding path program 63 times [2021-10-16 22:57:31,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:31,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687233118] [2021-10-16 22:57:31,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:31,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:31,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:31,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687233118] [2021-10-16 22:57:31,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687233118] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:31,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:31,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:31,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836812528] [2021-10-16 22:57:31,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:31,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:31,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:31,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:31,237 INFO L87 Difference]: Start difference. First operand 11034 states and 21899 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:33,175 INFO L93 Difference]: Finished difference Result 20564 states and 40834 transitions. [2021-10-16 22:57:33,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:57:33,175 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:33,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:33,201 INFO L225 Difference]: With dead ends: 20564 [2021-10-16 22:57:33,201 INFO L226 Difference]: Without dead ends: 20564 [2021-10-16 22:57:33,201 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 331.2ms TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:57:33,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20564 states. [2021-10-16 22:57:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20564 to 11048. [2021-10-16 22:57:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9900172429440057) internal successors, (21928), 11047 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21928 transitions. [2021-10-16 22:57:33,367 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21928 transitions. Word has length 95 [2021-10-16 22:57:33,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:33,367 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21928 transitions. [2021-10-16 22:57:33,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21928 transitions. [2021-10-16 22:57:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:33,368 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:33,368 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:33,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-10-16 22:57:33,368 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:33,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash -2133055224, now seen corresponding path program 64 times [2021-10-16 22:57:33,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:33,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680823157] [2021-10-16 22:57:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:33,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:33,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:33,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680823157] [2021-10-16 22:57:33,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680823157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:33,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:33,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:33,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918616474] [2021-10-16 22:57:33,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:33,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:33,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:33,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:33,504 INFO L87 Difference]: Start difference. First operand 11048 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:35,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:35,318 INFO L93 Difference]: Finished difference Result 20620 states and 40946 transitions. [2021-10-16 22:57:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:57:35,318 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:35,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:35,341 INFO L225 Difference]: With dead ends: 20620 [2021-10-16 22:57:35,341 INFO L226 Difference]: Without dead ends: 20620 [2021-10-16 22:57:35,341 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 333.2ms TimeCoverageRelationStatistics Valid=278, Invalid=1128, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:57:35,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20620 states. [2021-10-16 22:57:35,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20620 to 11050. [2021-10-16 22:57:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9900190545322567) internal successors, (21932), 11049 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:35,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21932 transitions. [2021-10-16 22:57:35,483 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21932 transitions. Word has length 95 [2021-10-16 22:57:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:35,483 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21932 transitions. [2021-10-16 22:57:35,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21932 transitions. [2021-10-16 22:57:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:35,484 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:35,484 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:35,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-10-16 22:57:35,484 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:35,485 INFO L82 PathProgramCache]: Analyzing trace with hash -865340826, now seen corresponding path program 65 times [2021-10-16 22:57:35,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:35,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046355248] [2021-10-16 22:57:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:35,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:35,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:35,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046355248] [2021-10-16 22:57:35,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046355248] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:35,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:35,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:35,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205227173] [2021-10-16 22:57:35,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:35,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:35,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:35,617 INFO L87 Difference]: Start difference. First operand 11050 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:37,663 INFO L93 Difference]: Finished difference Result 20636 states and 40978 transitions. [2021-10-16 22:57:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:57:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:37,684 INFO L225 Difference]: With dead ends: 20636 [2021-10-16 22:57:37,684 INFO L226 Difference]: Without dead ends: 20636 [2021-10-16 22:57:37,684 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 317.8ms TimeCoverageRelationStatistics Valid=277, Invalid=1129, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:57:37,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20636 states. [2021-10-16 22:57:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20636 to 11062. [2021-10-16 22:57:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11033 states have (on average 1.9901205474485635) internal successors, (21957), 11061 states have internal predecessors, (21957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 21957 transitions. [2021-10-16 22:57:37,819 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 21957 transitions. Word has length 95 [2021-10-16 22:57:37,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:37,819 INFO L470 AbstractCegarLoop]: Abstraction has 11062 states and 21957 transitions. [2021-10-16 22:57:37,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 21957 transitions. [2021-10-16 22:57:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:37,820 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:37,820 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:37,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-10-16 22:57:37,820 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:37,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:37,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1777847442, now seen corresponding path program 66 times [2021-10-16 22:57:37,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:37,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887256521] [2021-10-16 22:57:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:37,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:37,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:37,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887256521] [2021-10-16 22:57:37,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887256521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:37,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:37,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:37,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514001311] [2021-10-16 22:57:37,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:37,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:37,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:37,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:37,930 INFO L87 Difference]: Start difference. First operand 11062 states and 21957 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:40,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:40,274 INFO L93 Difference]: Finished difference Result 20887 states and 41476 transitions. [2021-10-16 22:57:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:57:40,274 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:40,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:40,298 INFO L225 Difference]: With dead ends: 20887 [2021-10-16 22:57:40,299 INFO L226 Difference]: Without dead ends: 20887 [2021-10-16 22:57:40,299 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 381.7ms TimeCoverageRelationStatistics Valid=423, Invalid=1647, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 22:57:40,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20887 states. [2021-10-16 22:57:40,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20887 to 11076. [2021-10-16 22:57:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 11047 states have (on average 1.9902235901149634) internal successors, (21986), 11075 states have internal predecessors, (21986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 21986 transitions. [2021-10-16 22:57:40,462 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 21986 transitions. Word has length 95 [2021-10-16 22:57:40,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:40,462 INFO L470 AbstractCegarLoop]: Abstraction has 11076 states and 21986 transitions. [2021-10-16 22:57:40,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:40,463 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 21986 transitions. [2021-10-16 22:57:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:40,464 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:40,464 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:40,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-10-16 22:57:40,464 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:40,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:40,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1563374060, now seen corresponding path program 67 times [2021-10-16 22:57:40,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:40,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803077455] [2021-10-16 22:57:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:40,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:40,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:40,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803077455] [2021-10-16 22:57:40,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803077455] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:40,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:40,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:40,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135676992] [2021-10-16 22:57:40,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:40,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:40,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:40,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:40,572 INFO L87 Difference]: Start difference. First operand 11076 states and 21986 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:43,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:43,100 INFO L93 Difference]: Finished difference Result 29743 states and 59072 transitions. [2021-10-16 22:57:43,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:57:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:43,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:43,139 INFO L225 Difference]: With dead ends: 29743 [2021-10-16 22:57:43,139 INFO L226 Difference]: Without dead ends: 29743 [2021-10-16 22:57:43,140 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 373.8ms TimeCoverageRelationStatistics Valid=446, Invalid=1810, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:57:43,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29743 states. [2021-10-16 22:57:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29743 to 11084. [2021-10-16 22:57:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11084 states, 11055 states have (on average 1.9902306648575305) internal successors, (22002), 11083 states have internal predecessors, (22002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 11084 states and 22002 transitions. [2021-10-16 22:57:43,352 INFO L78 Accepts]: Start accepts. Automaton has 11084 states and 22002 transitions. Word has length 95 [2021-10-16 22:57:43,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:43,352 INFO L470 AbstractCegarLoop]: Abstraction has 11084 states and 22002 transitions. [2021-10-16 22:57:43,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 11084 states and 22002 transitions. [2021-10-16 22:57:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:43,354 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:43,354 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:43,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-10-16 22:57:43,354 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:43,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:43,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1062885206, now seen corresponding path program 68 times [2021-10-16 22:57:43,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:43,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448724555] [2021-10-16 22:57:43,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:43,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:43,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:43,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448724555] [2021-10-16 22:57:43,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448724555] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:43,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:43,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:43,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292609527] [2021-10-16 22:57:43,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:43,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:43,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:43,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:43,460 INFO L87 Difference]: Start difference. First operand 11084 states and 22002 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:46,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:46,356 INFO L93 Difference]: Finished difference Result 29454 states and 58497 transitions. [2021-10-16 22:57:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:57:46,357 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:46,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:46,390 INFO L225 Difference]: With dead ends: 29454 [2021-10-16 22:57:46,390 INFO L226 Difference]: Without dead ends: 29454 [2021-10-16 22:57:46,391 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 375.1ms TimeCoverageRelationStatistics Valid=470, Invalid=1980, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:57:46,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29454 states. [2021-10-16 22:57:46,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29454 to 11120. [2021-10-16 22:57:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11120 states, 11091 states have (on average 1.99035253809395) internal successors, (22075), 11119 states have internal predecessors, (22075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 11120 states and 22075 transitions. [2021-10-16 22:57:46,558 INFO L78 Accepts]: Start accepts. Automaton has 11120 states and 22075 transitions. Word has length 95 [2021-10-16 22:57:46,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:46,558 INFO L470 AbstractCegarLoop]: Abstraction has 11120 states and 22075 transitions. [2021-10-16 22:57:46,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 11120 states and 22075 transitions. [2021-10-16 22:57:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:46,559 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:46,560 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:46,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-10-16 22:57:46,560 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:46,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1828875501, now seen corresponding path program 184 times [2021-10-16 22:57:46,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:46,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346073984] [2021-10-16 22:57:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:46,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:46,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:46,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346073984] [2021-10-16 22:57:46,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346073984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:46,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:46,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:46,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24635717] [2021-10-16 22:57:46,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:46,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:46,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:46,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:46,668 INFO L87 Difference]: Start difference. First operand 11120 states and 22075 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:49,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:49,863 INFO L93 Difference]: Finished difference Result 29234 states and 58061 transitions. [2021-10-16 22:57:49,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-16 22:57:49,864 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:49,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:49,899 INFO L225 Difference]: With dead ends: 29234 [2021-10-16 22:57:49,900 INFO L226 Difference]: Without dead ends: 29234 [2021-10-16 22:57:49,900 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 519.9ms TimeCoverageRelationStatistics Valid=604, Invalid=3178, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:57:49,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29234 states. [2021-10-16 22:57:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29234 to 11008. [2021-10-16 22:57:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 10979 states have (on average 1.989889789598324) internal successors, (21847), 11007 states have internal predecessors, (21847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 21847 transitions. [2021-10-16 22:57:50,081 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 21847 transitions. Word has length 95 [2021-10-16 22:57:50,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:50,081 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 21847 transitions. [2021-10-16 22:57:50,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 21847 transitions. [2021-10-16 22:57:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:50,082 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:50,082 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:50,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-10-16 22:57:50,083 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:50,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:50,083 INFO L82 PathProgramCache]: Analyzing trace with hash 890118203, now seen corresponding path program 185 times [2021-10-16 22:57:50,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:50,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339962548] [2021-10-16 22:57:50,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:50,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:50,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:50,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339962548] [2021-10-16 22:57:50,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339962548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:50,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:50,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:50,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411110998] [2021-10-16 22:57:50,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:50,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:50,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:50,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:50,209 INFO L87 Difference]: Start difference. First operand 11008 states and 21847 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:52,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:52,828 INFO L93 Difference]: Finished difference Result 29911 states and 59413 transitions. [2021-10-16 22:57:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:57:52,829 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:52,867 INFO L225 Difference]: With dead ends: 29911 [2021-10-16 22:57:52,867 INFO L226 Difference]: Without dead ends: 29911 [2021-10-16 22:57:52,868 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 349.3ms TimeCoverageRelationStatistics Valid=302, Invalid=1420, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:57:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29911 states. [2021-10-16 22:57:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29911 to 11048. [2021-10-16 22:57:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9900172429440057) internal successors, (21928), 11047 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21928 transitions. [2021-10-16 22:57:53,062 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21928 transitions. Word has length 95 [2021-10-16 22:57:53,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:53,062 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21928 transitions. [2021-10-16 22:57:53,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21928 transitions. [2021-10-16 22:57:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:53,063 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:53,063 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:53,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-10-16 22:57:53,063 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:53,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:53,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1469922421, now seen corresponding path program 186 times [2021-10-16 22:57:53,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:53,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070503777] [2021-10-16 22:57:53,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:53,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:53,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:53,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070503777] [2021-10-16 22:57:53,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070503777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:53,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:53,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:53,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885704870] [2021-10-16 22:57:53,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:53,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:53,197 INFO L87 Difference]: Start difference. First operand 11048 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:55,789 INFO L93 Difference]: Finished difference Result 30009 states and 59609 transitions. [2021-10-16 22:57:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:57:55,789 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:55,825 INFO L225 Difference]: With dead ends: 30009 [2021-10-16 22:57:55,825 INFO L226 Difference]: Without dead ends: 30009 [2021-10-16 22:57:55,826 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 318.5ms TimeCoverageRelationStatistics Valid=281, Invalid=1359, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:57:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30009 states. [2021-10-16 22:57:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30009 to 11060. [2021-10-16 22:57:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9901187562324358) internal successors, (21953), 11059 states have internal predecessors, (21953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:56,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21953 transitions. [2021-10-16 22:57:56,012 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21953 transitions. Word has length 95 [2021-10-16 22:57:56,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:56,013 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21953 transitions. [2021-10-16 22:57:56,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21953 transitions. [2021-10-16 22:57:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:56,014 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:56,014 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:56,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-10-16 22:57:56,014 INFO L402 AbstractCegarLoop]: === Iteration 260 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:56,014 INFO L82 PathProgramCache]: Analyzing trace with hash 427900381, now seen corresponding path program 187 times [2021-10-16 22:57:56,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:56,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845775659] [2021-10-16 22:57:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:56,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:56,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:56,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845775659] [2021-10-16 22:57:56,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845775659] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:56,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:56,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:56,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082421307] [2021-10-16 22:57:56,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:56,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:56,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:56,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:56,143 INFO L87 Difference]: Start difference. First operand 11060 states and 21953 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:58,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:57:58,241 INFO L93 Difference]: Finished difference Result 30081 states and 59753 transitions. [2021-10-16 22:57:58,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:57:58,241 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:57:58,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:57:58,276 INFO L225 Difference]: With dead ends: 30081 [2021-10-16 22:57:58,277 INFO L226 Difference]: Without dead ends: 30081 [2021-10-16 22:57:58,277 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 306.1ms TimeCoverageRelationStatistics Valid=263, Invalid=1297, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:57:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30081 states. [2021-10-16 22:57:58,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30081 to 11072. [2021-10-16 22:57:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11072 states, 11043 states have (on average 1.9902200488997555) internal successors, (21978), 11071 states have internal predecessors, (21978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11072 states to 11072 states and 21978 transitions. [2021-10-16 22:57:58,463 INFO L78 Accepts]: Start accepts. Automaton has 11072 states and 21978 transitions. Word has length 95 [2021-10-16 22:57:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:57:58,463 INFO L470 AbstractCegarLoop]: Abstraction has 11072 states and 21978 transitions. [2021-10-16 22:57:58,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:57:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 11072 states and 21978 transitions. [2021-10-16 22:57:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:57:58,465 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:57:58,465 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:57:58,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-10-16 22:57:58,465 INFO L402 AbstractCegarLoop]: === Iteration 261 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:57:58,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:57:58,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1400938323, now seen corresponding path program 188 times [2021-10-16 22:57:58,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:57:58,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3265764] [2021-10-16 22:57:58,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:57:58,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:57:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:57:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:57:58,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:57:58,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3265764] [2021-10-16 22:57:58,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3265764] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:57:58,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:57:58,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:57:58,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937897293] [2021-10-16 22:57:58,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:57:58,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:57:58,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:57:58,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:57:58,610 INFO L87 Difference]: Start difference. First operand 11072 states and 21978 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:00,570 INFO L93 Difference]: Finished difference Result 38450 states and 76376 transitions. [2021-10-16 22:58:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-16 22:58:00,571 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:00,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:00,615 INFO L225 Difference]: With dead ends: 38450 [2021-10-16 22:58:00,615 INFO L226 Difference]: Without dead ends: 38450 [2021-10-16 22:58:00,615 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 310.6ms TimeCoverageRelationStatistics Valid=326, Invalid=1566, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:58:00,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38450 states. [2021-10-16 22:58:00,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38450 to 11108. [2021-10-16 22:58:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11079 states have (on average 1.9903420886361585) internal successors, (22051), 11107 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 22051 transitions. [2021-10-16 22:58:00,829 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 22051 transitions. Word has length 95 [2021-10-16 22:58:00,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:00,829 INFO L470 AbstractCegarLoop]: Abstraction has 11108 states and 22051 transitions. [2021-10-16 22:58:00,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 22051 transitions. [2021-10-16 22:58:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:00,830 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:00,830 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:00,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-10-16 22:58:00,830 INFO L402 AbstractCegarLoop]: === Iteration 262 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:00,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:00,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1419794484, now seen corresponding path program 69 times [2021-10-16 22:58:00,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:00,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401301025] [2021-10-16 22:58:00,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:00,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:00,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:00,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:00,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401301025] [2021-10-16 22:58:00,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401301025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:00,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:00,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:00,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968235529] [2021-10-16 22:58:00,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:00,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:00,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:00,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:00,941 INFO L87 Difference]: Start difference. First operand 11108 states and 22051 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:04,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:04,091 INFO L93 Difference]: Finished difference Result 38609 states and 76674 transitions. [2021-10-16 22:58:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:58:04,092 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:04,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:04,141 INFO L225 Difference]: With dead ends: 38609 [2021-10-16 22:58:04,141 INFO L226 Difference]: Without dead ends: 38609 [2021-10-16 22:58:04,141 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 396.7ms TimeCoverageRelationStatistics Valid=507, Invalid=2249, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:58:04,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38609 states. [2021-10-16 22:58:04,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38609 to 11012. [2021-10-16 22:58:04,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11012 states, 10983 states have (on average 1.9898934717290357) internal successors, (21855), 11011 states have internal predecessors, (21855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 11012 states and 21855 transitions. [2021-10-16 22:58:04,364 INFO L78 Accepts]: Start accepts. Automaton has 11012 states and 21855 transitions. Word has length 95 [2021-10-16 22:58:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:04,364 INFO L470 AbstractCegarLoop]: Abstraction has 11012 states and 21855 transitions. [2021-10-16 22:58:04,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 11012 states and 21855 transitions. [2021-10-16 22:58:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:04,365 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:04,365 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:04,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-10-16 22:58:04,365 INFO L402 AbstractCegarLoop]: === Iteration 263 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:04,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:04,365 INFO L82 PathProgramCache]: Analyzing trace with hash -321956623, now seen corresponding path program 189 times [2021-10-16 22:58:04,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:04,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908188844] [2021-10-16 22:58:04,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:04,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:04,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:04,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908188844] [2021-10-16 22:58:04,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908188844] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:04,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:04,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:04,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264620431] [2021-10-16 22:58:04,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:04,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:04,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:04,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:04,486 INFO L87 Difference]: Start difference. First operand 11012 states and 21855 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:06,972 INFO L93 Difference]: Finished difference Result 46428 states and 92217 transitions. [2021-10-16 22:58:06,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:58:06,972 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:06,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:07,032 INFO L225 Difference]: With dead ends: 46428 [2021-10-16 22:58:07,032 INFO L226 Difference]: Without dead ends: 46428 [2021-10-16 22:58:07,032 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 326.8ms TimeCoverageRelationStatistics Valid=352, Invalid=1718, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 22:58:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46428 states. [2021-10-16 22:58:07,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46428 to 11108. [2021-10-16 22:58:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11079 states have (on average 1.9903420886361585) internal successors, (22051), 11107 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 22051 transitions. [2021-10-16 22:58:07,302 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 22051 transitions. Word has length 95 [2021-10-16 22:58:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:07,302 INFO L470 AbstractCegarLoop]: Abstraction has 11108 states and 22051 transitions. [2021-10-16 22:58:07,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 22051 transitions. [2021-10-16 22:58:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:07,303 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:07,303 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:07,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-10-16 22:58:07,304 INFO L402 AbstractCegarLoop]: === Iteration 264 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:07,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:07,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1152277866, now seen corresponding path program 70 times [2021-10-16 22:58:07,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:07,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42011593] [2021-10-16 22:58:07,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:07,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:07,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:07,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:07,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42011593] [2021-10-16 22:58:07,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42011593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:07,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:07,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:07,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068946749] [2021-10-16 22:58:07,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:07,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:07,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:07,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:07,408 INFO L87 Difference]: Start difference. First operand 11108 states and 22051 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:11,404 INFO L93 Difference]: Finished difference Result 46870 states and 93076 transitions. [2021-10-16 22:58:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:58:11,405 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:11,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:11,469 INFO L225 Difference]: With dead ends: 46870 [2021-10-16 22:58:11,469 INFO L226 Difference]: Without dead ends: 46870 [2021-10-16 22:58:11,469 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 427.6ms TimeCoverageRelationStatistics Valid=507, Invalid=2249, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:58:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46870 states. [2021-10-16 22:58:11,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46870 to 11004. [2021-10-16 22:58:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11004 states, 10975 states have (on average 1.9898861047835992) internal successors, (21839), 11003 states have internal predecessors, (21839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11004 states to 11004 states and 21839 transitions. [2021-10-16 22:58:11,757 INFO L78 Accepts]: Start accepts. Automaton has 11004 states and 21839 transitions. Word has length 95 [2021-10-16 22:58:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:11,758 INFO L470 AbstractCegarLoop]: Abstraction has 11004 states and 21839 transitions. [2021-10-16 22:58:11,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 11004 states and 21839 transitions. [2021-10-16 22:58:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:11,759 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:11,759 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:11,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-10-16 22:58:11,759 INFO L402 AbstractCegarLoop]: === Iteration 265 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:11,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1313673137, now seen corresponding path program 190 times [2021-10-16 22:58:11,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:11,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104704412] [2021-10-16 22:58:11,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:11,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:11,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:11,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104704412] [2021-10-16 22:58:11,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104704412] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:11,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:11,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:11,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421133342] [2021-10-16 22:58:11,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:11,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:11,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:11,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:11,896 INFO L87 Difference]: Start difference. First operand 11004 states and 21839 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:13,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:13,932 INFO L93 Difference]: Finished difference Result 23906 states and 47477 transitions. [2021-10-16 22:58:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:58:13,932 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:13,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:13,961 INFO L225 Difference]: With dead ends: 23906 [2021-10-16 22:58:13,961 INFO L226 Difference]: Without dead ends: 23906 [2021-10-16 22:58:13,961 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 265.9ms TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23906 states. [2021-10-16 22:58:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23906 to 11034. [2021-10-16 22:58:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11034 states, 11005 states have (on average 1.989913675601999) internal successors, (21899), 11033 states have internal predecessors, (21899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11034 states to 11034 states and 21899 transitions. [2021-10-16 22:58:14,151 INFO L78 Accepts]: Start accepts. Automaton has 11034 states and 21899 transitions. Word has length 95 [2021-10-16 22:58:14,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:14,151 INFO L470 AbstractCegarLoop]: Abstraction has 11034 states and 21899 transitions. [2021-10-16 22:58:14,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 11034 states and 21899 transitions. [2021-10-16 22:58:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:14,152 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:14,152 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:14,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-10-16 22:58:14,152 INFO L402 AbstractCegarLoop]: === Iteration 266 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:14,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:14,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1154508165, now seen corresponding path program 191 times [2021-10-16 22:58:14,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:14,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673255772] [2021-10-16 22:58:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:14,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:14,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:14,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673255772] [2021-10-16 22:58:14,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673255772] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:14,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:14,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:14,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28832500] [2021-10-16 22:58:14,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:14,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:14,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:14,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:14,293 INFO L87 Difference]: Start difference. First operand 11034 states and 21899 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:16,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:16,439 INFO L93 Difference]: Finished difference Result 23982 states and 47629 transitions. [2021-10-16 22:58:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:58:16,439 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:16,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:16,468 INFO L225 Difference]: With dead ends: 23982 [2021-10-16 22:58:16,468 INFO L226 Difference]: Without dead ends: 23982 [2021-10-16 22:58:16,468 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 339.1ms TimeCoverageRelationStatistics Valid=294, Invalid=1188, Unknown=0, NotChecked=0, Total=1482 [2021-10-16 22:58:16,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23982 states. [2021-10-16 22:58:16,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23982 to 11048. [2021-10-16 22:58:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9900172429440057) internal successors, (21928), 11047 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21928 transitions. [2021-10-16 22:58:16,678 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21928 transitions. Word has length 95 [2021-10-16 22:58:16,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:16,678 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21928 transitions. [2021-10-16 22:58:16,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21928 transitions. [2021-10-16 22:58:16,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:16,679 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:16,679 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:16,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-10-16 22:58:16,679 INFO L402 AbstractCegarLoop]: === Iteration 267 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:16,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:16,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1292602573, now seen corresponding path program 192 times [2021-10-16 22:58:16,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:16,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618052002] [2021-10-16 22:58:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:16,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:16,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:16,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618052002] [2021-10-16 22:58:16,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618052002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:16,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:16,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:16,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143647577] [2021-10-16 22:58:16,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:16,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:16,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:16,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:16,818 INFO L87 Difference]: Start difference. First operand 11048 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:18,656 INFO L93 Difference]: Finished difference Result 23992 states and 47649 transitions. [2021-10-16 22:58:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:58:18,656 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:18,685 INFO L225 Difference]: With dead ends: 23992 [2021-10-16 22:58:18,685 INFO L226 Difference]: Without dead ends: 23992 [2021-10-16 22:58:18,686 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 341.8ms TimeCoverageRelationStatistics Valid=268, Invalid=1138, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:58:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23992 states. [2021-10-16 22:58:18,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23992 to 11050. [2021-10-16 22:58:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9900190545322567) internal successors, (21932), 11049 states have internal predecessors, (21932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21932 transitions. [2021-10-16 22:58:18,845 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21932 transitions. Word has length 95 [2021-10-16 22:58:18,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:18,845 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21932 transitions. [2021-10-16 22:58:18,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21932 transitions. [2021-10-16 22:58:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:18,846 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:18,846 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:18,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-10-16 22:58:18,846 INFO L402 AbstractCegarLoop]: === Iteration 268 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:18,847 INFO L82 PathProgramCache]: Analyzing trace with hash -712798355, now seen corresponding path program 193 times [2021-10-16 22:58:18,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:18,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563249495] [2021-10-16 22:58:18,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:18,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:18,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:18,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563249495] [2021-10-16 22:58:18,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563249495] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:18,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:18,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:18,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621426350] [2021-10-16 22:58:18,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:19,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:19,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:19,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:19,000 INFO L87 Difference]: Start difference. First operand 11050 states and 21932 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:21,093 INFO L93 Difference]: Finished difference Result 24049 states and 47763 transitions. [2021-10-16 22:58:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-16 22:58:21,093 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:21,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:21,121 INFO L225 Difference]: With dead ends: 24049 [2021-10-16 22:58:21,121 INFO L226 Difference]: Without dead ends: 24049 [2021-10-16 22:58:21,121 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 335.1ms TimeCoverageRelationStatistics Valid=267, Invalid=1139, Unknown=0, NotChecked=0, Total=1406 [2021-10-16 22:58:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24049 states. [2021-10-16 22:58:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24049 to 11062. [2021-10-16 22:58:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11062 states, 11033 states have (on average 1.9901205474485635) internal successors, (21957), 11061 states have internal predecessors, (21957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11062 states to 11062 states and 21957 transitions. [2021-10-16 22:58:21,286 INFO L78 Accepts]: Start accepts. Automaton has 11062 states and 21957 transitions. Word has length 95 [2021-10-16 22:58:21,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:21,286 INFO L470 AbstractCegarLoop]: Abstraction has 11062 states and 21957 transitions. [2021-10-16 22:58:21,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 11062 states and 21957 transitions. [2021-10-16 22:58:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:21,287 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:21,287 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:21,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-10-16 22:58:21,287 INFO L402 AbstractCegarLoop]: === Iteration 269 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:21,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1268058821, now seen corresponding path program 194 times [2021-10-16 22:58:21,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:21,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726744745] [2021-10-16 22:58:21,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:21,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:21,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:21,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:21,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726744745] [2021-10-16 22:58:21,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726744745] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:21,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:21,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:21,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141962799] [2021-10-16 22:58:21,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:21,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:21,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:21,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:21,417 INFO L87 Difference]: Start difference. First operand 11062 states and 21957 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:23,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:23,273 INFO L93 Difference]: Finished difference Result 24013 states and 47691 transitions. [2021-10-16 22:58:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:58:23,273 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:23,301 INFO L225 Difference]: With dead ends: 24013 [2021-10-16 22:58:23,301 INFO L226 Difference]: Without dead ends: 24013 [2021-10-16 22:58:23,301 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 334.3ms TimeCoverageRelationStatistics Valid=247, Invalid=1085, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:23,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24013 states. [2021-10-16 22:58:23,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24013 to 11066. [2021-10-16 22:58:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11066 states, 11037 states have (on average 1.9901241279333153) internal successors, (21965), 11065 states have internal predecessors, (21965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11066 states to 11066 states and 21965 transitions. [2021-10-16 22:58:23,460 INFO L78 Accepts]: Start accepts. Automaton has 11066 states and 21965 transitions. Word has length 95 [2021-10-16 22:58:23,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:23,460 INFO L470 AbstractCegarLoop]: Abstraction has 11066 states and 21965 transitions. [2021-10-16 22:58:23,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 11066 states and 21965 transitions. [2021-10-16 22:58:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:23,461 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:23,461 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:23,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-10-16 22:58:23,461 INFO L402 AbstractCegarLoop]: === Iteration 270 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:23,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:23,461 INFO L82 PathProgramCache]: Analyzing trace with hash -688254603, now seen corresponding path program 195 times [2021-10-16 22:58:23,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:23,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158183512] [2021-10-16 22:58:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:23,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:23,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:23,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:23,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158183512] [2021-10-16 22:58:23,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158183512] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:23,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:23,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:23,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554629855] [2021-10-16 22:58:23,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:23,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:23,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:23,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:23,587 INFO L87 Difference]: Start difference. First operand 11066 states and 21965 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:25,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:25,398 INFO L93 Difference]: Finished difference Result 24111 states and 47887 transitions. [2021-10-16 22:58:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:58:25,398 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:25,424 INFO L225 Difference]: With dead ends: 24111 [2021-10-16 22:58:25,424 INFO L226 Difference]: Without dead ends: 24111 [2021-10-16 22:58:25,424 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 307.2ms TimeCoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:25,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24111 states. [2021-10-16 22:58:25,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24111 to 11064. [2021-10-16 22:58:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11064 states, 11035 states have (on average 1.9901223380154056) internal successors, (21961), 11063 states have internal predecessors, (21961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:25,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11064 states to 11064 states and 21961 transitions. [2021-10-16 22:58:25,579 INFO L78 Accepts]: Start accepts. Automaton has 11064 states and 21961 transitions. Word has length 95 [2021-10-16 22:58:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:25,579 INFO L470 AbstractCegarLoop]: Abstraction has 11064 states and 21961 transitions. [2021-10-16 22:58:25,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:25,579 INFO L276 IsEmpty]: Start isEmpty. Operand 11064 states and 21961 transitions. [2021-10-16 22:58:25,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:25,580 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:25,580 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:25,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-10-16 22:58:25,580 INFO L402 AbstractCegarLoop]: === Iteration 271 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:25,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:25,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1730276643, now seen corresponding path program 196 times [2021-10-16 22:58:25,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:25,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351719648] [2021-10-16 22:58:25,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:25,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:25,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:25,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351719648] [2021-10-16 22:58:25,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351719648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:25,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:25,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:25,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007679263] [2021-10-16 22:58:25,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:25,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:25,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:25,702 INFO L87 Difference]: Start difference. First operand 11064 states and 21961 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:27,341 INFO L93 Difference]: Finished difference Result 24123 states and 47911 transitions. [2021-10-16 22:58:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-16 22:58:27,342 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:27,370 INFO L225 Difference]: With dead ends: 24123 [2021-10-16 22:58:27,370 INFO L226 Difference]: Without dead ends: 24123 [2021-10-16 22:58:27,370 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 293.2ms TimeCoverageRelationStatistics Valid=245, Invalid=1087, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:27,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24123 states. [2021-10-16 22:58:27,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24123 to 11076. [2021-10-16 22:58:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11076 states, 11047 states have (on average 1.9902235901149634) internal successors, (21986), 11075 states have internal predecessors, (21986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 21986 transitions. [2021-10-16 22:58:27,545 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 21986 transitions. Word has length 95 [2021-10-16 22:58:27,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:27,545 INFO L470 AbstractCegarLoop]: Abstraction has 11076 states and 21986 transitions. [2021-10-16 22:58:27,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 21986 transitions. [2021-10-16 22:58:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:27,546 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:27,546 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:27,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-10-16 22:58:27,546 INFO L402 AbstractCegarLoop]: === Iteration 272 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:27,547 INFO L82 PathProgramCache]: Analyzing trace with hash -181606285, now seen corresponding path program 197 times [2021-10-16 22:58:27,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:27,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103272957] [2021-10-16 22:58:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:27,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:27,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:27,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103272957] [2021-10-16 22:58:27,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103272957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:27,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:27,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:27,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192028779] [2021-10-16 22:58:27,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:27,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:27,671 INFO L87 Difference]: Start difference. First operand 11076 states and 21986 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:29,990 INFO L93 Difference]: Finished difference Result 32800 states and 65148 transitions. [2021-10-16 22:58:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:58:29,990 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:29,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:30,032 INFO L225 Difference]: With dead ends: 32800 [2021-10-16 22:58:30,032 INFO L226 Difference]: Without dead ends: 32800 [2021-10-16 22:58:30,032 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 279.1ms TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:30,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32800 states. [2021-10-16 22:58:30,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32800 to 11088. [2021-10-16 22:58:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11088 states, 11059 states have (on average 1.9902341983904512) internal successors, (22010), 11087 states have internal predecessors, (22010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:30,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11088 states to 11088 states and 22010 transitions. [2021-10-16 22:58:30,239 INFO L78 Accepts]: Start accepts. Automaton has 11088 states and 22010 transitions. Word has length 95 [2021-10-16 22:58:30,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:30,239 INFO L470 AbstractCegarLoop]: Abstraction has 11088 states and 22010 transitions. [2021-10-16 22:58:30,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 11088 states and 22010 transitions. [2021-10-16 22:58:30,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:30,240 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:30,240 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:30,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-10-16 22:58:30,241 INFO L402 AbstractCegarLoop]: === Iteration 273 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash 398197933, now seen corresponding path program 198 times [2021-10-16 22:58:30,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:30,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432985087] [2021-10-16 22:58:30,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:30,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:30,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432985087] [2021-10-16 22:58:30,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432985087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:30,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:30,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:30,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003211352] [2021-10-16 22:58:30,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:30,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:30,365 INFO L87 Difference]: Start difference. First operand 11088 states and 22010 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:32,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:32,433 INFO L93 Difference]: Finished difference Result 32898 states and 65344 transitions. [2021-10-16 22:58:32,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:58:32,434 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:32,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:32,523 INFO L225 Difference]: With dead ends: 32898 [2021-10-16 22:58:32,524 INFO L226 Difference]: Without dead ends: 32898 [2021-10-16 22:58:32,524 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 281.2ms TimeCoverageRelationStatistics Valid=236, Invalid=1096, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:32,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32898 states. [2021-10-16 22:58:32,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32898 to 11086. [2021-10-16 22:58:32,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11086 states, 11057 states have (on average 1.9902324319435651) internal successors, (22006), 11085 states have internal predecessors, (22006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11086 states to 11086 states and 22006 transitions. [2021-10-16 22:58:32,686 INFO L78 Accepts]: Start accepts. Automaton has 11086 states and 22006 transitions. Word has length 95 [2021-10-16 22:58:32,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:32,686 INFO L470 AbstractCegarLoop]: Abstraction has 11086 states and 22006 transitions. [2021-10-16 22:58:32,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 11086 states and 22006 transitions. [2021-10-16 22:58:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:32,688 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:32,688 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:32,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-10-16 22:58:32,688 INFO L402 AbstractCegarLoop]: === Iteration 274 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:32,688 INFO L82 PathProgramCache]: Analyzing trace with hash -643824107, now seen corresponding path program 199 times [2021-10-16 22:58:32,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:32,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367440002] [2021-10-16 22:58:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:32,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:32,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:32,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367440002] [2021-10-16 22:58:32,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367440002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:32,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:32,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:32,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306386645] [2021-10-16 22:58:32,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:32,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:32,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:32,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:32,810 INFO L87 Difference]: Start difference. First operand 11086 states and 22006 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:35,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:35,258 INFO L93 Difference]: Finished difference Result 32970 states and 65488 transitions. [2021-10-16 22:58:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:58:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:35,297 INFO L225 Difference]: With dead ends: 32970 [2021-10-16 22:58:35,297 INFO L226 Difference]: Without dead ends: 32970 [2021-10-16 22:58:35,297 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 280.2ms TimeCoverageRelationStatistics Valid=234, Invalid=1098, Unknown=0, NotChecked=0, Total=1332 [2021-10-16 22:58:35,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32970 states. [2021-10-16 22:58:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32970 to 11084. [2021-10-16 22:58:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11084 states, 11055 states have (on average 1.9902306648575305) internal successors, (22002), 11083 states have internal predecessors, (22002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11084 states to 11084 states and 22002 transitions. [2021-10-16 22:58:35,485 INFO L78 Accepts]: Start accepts. Automaton has 11084 states and 22002 transitions. Word has length 95 [2021-10-16 22:58:35,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:35,485 INFO L470 AbstractCegarLoop]: Abstraction has 11084 states and 22002 transitions. [2021-10-16 22:58:35,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 11084 states and 22002 transitions. [2021-10-16 22:58:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:35,486 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:35,486 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:35,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-10-16 22:58:35,486 INFO L402 AbstractCegarLoop]: === Iteration 275 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:35,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:35,487 INFO L82 PathProgramCache]: Analyzing trace with hash 329213835, now seen corresponding path program 200 times [2021-10-16 22:58:35,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:35,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291905022] [2021-10-16 22:58:35,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:35,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:35,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:35,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291905022] [2021-10-16 22:58:35,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291905022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:35,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:35,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:35,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498385973] [2021-10-16 22:58:35,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:35,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:35,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:35,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:35,604 INFO L87 Difference]: Start difference. First operand 11084 states and 22002 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:37,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:37,554 INFO L93 Difference]: Finished difference Result 32632 states and 64812 transitions. [2021-10-16 22:58:37,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:58:37,555 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:37,590 INFO L225 Difference]: With dead ends: 32632 [2021-10-16 22:58:37,590 INFO L226 Difference]: Without dead ends: 32632 [2021-10-16 22:58:37,590 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 281.8ms TimeCoverageRelationStatistics Valid=284, Invalid=1356, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:58:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32632 states. [2021-10-16 22:58:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32632 to 11120. [2021-10-16 22:58:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11120 states, 11091 states have (on average 1.99035253809395) internal successors, (22075), 11119 states have internal predecessors, (22075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 11120 states and 22075 transitions. [2021-10-16 22:58:37,780 INFO L78 Accepts]: Start accepts. Automaton has 11120 states and 22075 transitions. Word has length 95 [2021-10-16 22:58:37,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:37,780 INFO L470 AbstractCegarLoop]: Abstraction has 11120 states and 22075 transitions. [2021-10-16 22:58:37,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 11120 states and 22075 transitions. [2021-10-16 22:58:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:37,781 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:37,781 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:37,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-10-16 22:58:37,781 INFO L402 AbstractCegarLoop]: === Iteration 276 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:37,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:37,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1803448324, now seen corresponding path program 71 times [2021-10-16 22:58:37,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:37,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936189350] [2021-10-16 22:58:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:37,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:37,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:37,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936189350] [2021-10-16 22:58:37,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936189350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:37,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:37,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:37,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668402043] [2021-10-16 22:58:37,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:37,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:37,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:37,888 INFO L87 Difference]: Start difference. First operand 11120 states and 22075 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:41,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:41,656 INFO L93 Difference]: Finished difference Result 32867 states and 65262 transitions. [2021-10-16 22:58:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:58:41,657 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:41,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:41,696 INFO L225 Difference]: With dead ends: 32867 [2021-10-16 22:58:41,696 INFO L226 Difference]: Without dead ends: 32867 [2021-10-16 22:58:41,696 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 373.6ms TimeCoverageRelationStatistics Valid=433, Invalid=2117, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:58:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32867 states. [2021-10-16 22:58:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32867 to 11008. [2021-10-16 22:58:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 10979 states have (on average 1.989889789598324) internal successors, (21847), 11007 states have internal predecessors, (21847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 21847 transitions. [2021-10-16 22:58:41,893 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 21847 transitions. Word has length 95 [2021-10-16 22:58:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:41,893 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 21847 transitions. [2021-10-16 22:58:41,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 21847 transitions. [2021-10-16 22:58:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:41,894 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:41,894 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:41,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-10-16 22:58:41,894 INFO L402 AbstractCegarLoop]: === Iteration 277 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:41,895 INFO L82 PathProgramCache]: Analyzing trace with hash -252874673, now seen corresponding path program 201 times [2021-10-16 22:58:41,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:41,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841946094] [2021-10-16 22:58:41,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:41,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:42,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:42,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841946094] [2021-10-16 22:58:42,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841946094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:42,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:42,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:42,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756812645] [2021-10-16 22:58:42,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:42,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:42,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:42,020 INFO L87 Difference]: Start difference. First operand 11008 states and 21847 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:44,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:44,495 INFO L93 Difference]: Finished difference Result 40890 states and 81211 transitions. [2021-10-16 22:58:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:58:44,495 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:44,547 INFO L225 Difference]: With dead ends: 40890 [2021-10-16 22:58:44,547 INFO L226 Difference]: Without dead ends: 40890 [2021-10-16 22:58:44,548 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 321.2ms TimeCoverageRelationStatistics Valid=300, Invalid=1422, Unknown=0, NotChecked=0, Total=1722 [2021-10-16 22:58:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40890 states. [2021-10-16 22:58:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40890 to 11048. [2021-10-16 22:58:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9900172429440057) internal successors, (21928), 11047 states have internal predecessors, (21928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21928 transitions. [2021-10-16 22:58:44,790 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21928 transitions. Word has length 95 [2021-10-16 22:58:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:44,790 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21928 transitions. [2021-10-16 22:58:44,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21928 transitions. [2021-10-16 22:58:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:44,791 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:44,791 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:44,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-10-16 22:58:44,792 INFO L402 AbstractCegarLoop]: === Iteration 278 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:44,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:44,792 INFO L82 PathProgramCache]: Analyzing trace with hash 326929545, now seen corresponding path program 202 times [2021-10-16 22:58:44,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:44,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138769137] [2021-10-16 22:58:44,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:44,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:44,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:44,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138769137] [2021-10-16 22:58:44,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138769137] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:44,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:44,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:44,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92284084] [2021-10-16 22:58:44,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:44,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:44,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:44,915 INFO L87 Difference]: Start difference. First operand 11048 states and 21928 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:47,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:47,627 INFO L93 Difference]: Finished difference Result 40988 states and 81407 transitions. [2021-10-16 22:58:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-16 22:58:47,628 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:47,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:47,680 INFO L225 Difference]: With dead ends: 40988 [2021-10-16 22:58:47,681 INFO L226 Difference]: Without dead ends: 40988 [2021-10-16 22:58:47,681 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 313.3ms TimeCoverageRelationStatistics Valid=281, Invalid=1359, Unknown=0, NotChecked=0, Total=1640 [2021-10-16 22:58:47,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40988 states. [2021-10-16 22:58:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40988 to 11060. [2021-10-16 22:58:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9901187562324358) internal successors, (21953), 11059 states have internal predecessors, (21953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21953 transitions. [2021-10-16 22:58:47,924 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21953 transitions. Word has length 95 [2021-10-16 22:58:47,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:47,924 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21953 transitions. [2021-10-16 22:58:47,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21953 transitions. [2021-10-16 22:58:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:47,925 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:47,925 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:47,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-10-16 22:58:47,925 INFO L402 AbstractCegarLoop]: === Iteration 279 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:47,926 INFO L82 PathProgramCache]: Analyzing trace with hash -715092495, now seen corresponding path program 203 times [2021-10-16 22:58:47,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:47,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015955748] [2021-10-16 22:58:47,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:47,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:48,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:48,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015955748] [2021-10-16 22:58:48,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015955748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:48,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:48,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:48,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940681438] [2021-10-16 22:58:48,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:48,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:48,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:48,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:48,061 INFO L87 Difference]: Start difference. First operand 11060 states and 21953 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:50,509 INFO L93 Difference]: Finished difference Result 41060 states and 81551 transitions. [2021-10-16 22:58:50,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-16 22:58:50,509 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:50,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:50,562 INFO L225 Difference]: With dead ends: 41060 [2021-10-16 22:58:50,562 INFO L226 Difference]: Without dead ends: 41060 [2021-10-16 22:58:50,562 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 322.4ms TimeCoverageRelationStatistics Valid=265, Invalid=1295, Unknown=0, NotChecked=0, Total=1560 [2021-10-16 22:58:50,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41060 states. [2021-10-16 22:58:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41060 to 11072. [2021-10-16 22:58:50,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11072 states, 11043 states have (on average 1.9902200488997555) internal successors, (21978), 11071 states have internal predecessors, (21978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11072 states to 11072 states and 21978 transitions. [2021-10-16 22:58:50,800 INFO L78 Accepts]: Start accepts. Automaton has 11072 states and 21978 transitions. Word has length 95 [2021-10-16 22:58:50,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:50,800 INFO L470 AbstractCegarLoop]: Abstraction has 11072 states and 21978 transitions. [2021-10-16 22:58:50,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 11072 states and 21978 transitions. [2021-10-16 22:58:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:50,801 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:50,801 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:50,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-10-16 22:58:50,801 INFO L402 AbstractCegarLoop]: === Iteration 280 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:50,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:50,802 INFO L82 PathProgramCache]: Analyzing trace with hash 257945447, now seen corresponding path program 204 times [2021-10-16 22:58:50,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:50,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913536727] [2021-10-16 22:58:50,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:50,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:50,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:50,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913536727] [2021-10-16 22:58:50,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913536727] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:50,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:50,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:50,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288690754] [2021-10-16 22:58:50,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:50,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:50,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:50,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:50,944 INFO L87 Difference]: Start difference. First operand 11072 states and 21978 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:53,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:53,122 INFO L93 Difference]: Finished difference Result 49520 states and 98356 transitions. [2021-10-16 22:58:53,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-16 22:58:53,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:53,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:53,198 INFO L225 Difference]: With dead ends: 49520 [2021-10-16 22:58:53,198 INFO L226 Difference]: Without dead ends: 49520 [2021-10-16 22:58:53,198 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 304.9ms TimeCoverageRelationStatistics Valid=320, Invalid=1572, Unknown=0, NotChecked=0, Total=1892 [2021-10-16 22:58:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49520 states. [2021-10-16 22:58:53,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49520 to 11108. [2021-10-16 22:58:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11079 states have (on average 1.9903420886361585) internal successors, (22051), 11107 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 22051 transitions. [2021-10-16 22:58:53,537 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 22051 transitions. Word has length 95 [2021-10-16 22:58:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:53,537 INFO L470 AbstractCegarLoop]: Abstraction has 11108 states and 22051 transitions. [2021-10-16 22:58:53,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 22051 transitions. [2021-10-16 22:58:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:53,538 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:53,538 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:53,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-10-16 22:58:53,538 INFO L402 AbstractCegarLoop]: === Iteration 281 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:53,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:53,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1732179936, now seen corresponding path program 72 times [2021-10-16 22:58:53,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:53,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115477544] [2021-10-16 22:58:53,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:53,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:53,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:53,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115477544] [2021-10-16 22:58:53,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115477544] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:53,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:53,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:53,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620344288] [2021-10-16 22:58:53,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:53,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:53,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:53,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:53,639 INFO L87 Difference]: Start difference. First operand 11108 states and 22051 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:58:57,604 INFO L93 Difference]: Finished difference Result 49962 states and 99210 transitions. [2021-10-16 22:58:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-16 22:58:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:58:57,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:58:57,676 INFO L225 Difference]: With dead ends: 49962 [2021-10-16 22:58:57,676 INFO L226 Difference]: Without dead ends: 49962 [2021-10-16 22:58:57,676 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 424.5ms TimeCoverageRelationStatistics Valid=531, Invalid=2439, Unknown=0, NotChecked=0, Total=2970 [2021-10-16 22:58:57,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49962 states. [2021-10-16 22:58:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49962 to 11012. [2021-10-16 22:58:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11012 states, 10983 states have (on average 1.9898934717290357) internal successors, (21855), 11011 states have internal predecessors, (21855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 11012 states and 21855 transitions. [2021-10-16 22:58:57,945 INFO L78 Accepts]: Start accepts. Automaton has 11012 states and 21855 transitions. Word has length 95 [2021-10-16 22:58:57,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:58:57,946 INFO L470 AbstractCegarLoop]: Abstraction has 11012 states and 21855 transitions. [2021-10-16 22:58:57,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:58:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 11012 states and 21855 transitions. [2021-10-16 22:58:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:58:57,947 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:58:57,947 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:58:57,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-10-16 22:58:57,947 INFO L402 AbstractCegarLoop]: === Iteration 282 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:58:57,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:58:57,947 INFO L82 PathProgramCache]: Analyzing trace with hash 824240041, now seen corresponding path program 205 times [2021-10-16 22:58:57,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:58:57,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612639701] [2021-10-16 22:58:57,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:58:57,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:58:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:58:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:58:58,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:58:58,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612639701] [2021-10-16 22:58:58,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612639701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:58:58,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:58:58,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:58:58,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753715490] [2021-10-16 22:58:58,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:58:58,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:58:58,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:58:58,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:58:58,066 INFO L87 Difference]: Start difference. First operand 11012 states and 21855 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:00,442 INFO L93 Difference]: Finished difference Result 40580 states and 80593 transitions. [2021-10-16 22:59:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:59:00,442 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:00,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:00,493 INFO L225 Difference]: With dead ends: 40580 [2021-10-16 22:59:00,493 INFO L226 Difference]: Without dead ends: 40580 [2021-10-16 22:59:00,493 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 294.4ms TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:59:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40580 states. [2021-10-16 22:59:00,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40580 to 11108. [2021-10-16 22:59:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11108 states, 11079 states have (on average 1.9903420886361585) internal successors, (22051), 11107 states have internal predecessors, (22051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11108 states to 11108 states and 22051 transitions. [2021-10-16 22:59:00,811 INFO L78 Accepts]: Start accepts. Automaton has 11108 states and 22051 transitions. Word has length 95 [2021-10-16 22:59:00,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:00,811 INFO L470 AbstractCegarLoop]: Abstraction has 11108 states and 22051 transitions. [2021-10-16 22:59:00,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 11108 states and 22051 transitions. [2021-10-16 22:59:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:00,812 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:00,812 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:00,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-10-16 22:59:00,813 INFO L402 AbstractCegarLoop]: === Iteration 283 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:00,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:00,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1996492766, now seen corresponding path program 73 times [2021-10-16 22:59:00,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:00,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715678981] [2021-10-16 22:59:00,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:00,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:00,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:00,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715678981] [2021-10-16 22:59:00,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715678981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:00,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:00,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:00,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967799846] [2021-10-16 22:59:00,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:00,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:00,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:00,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:00,935 INFO L87 Difference]: Start difference. First operand 11108 states and 22051 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:04,620 INFO L93 Difference]: Finished difference Result 41098 states and 81604 transitions. [2021-10-16 22:59:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:59:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:04,674 INFO L225 Difference]: With dead ends: 41098 [2021-10-16 22:59:04,674 INFO L226 Difference]: Without dead ends: 41098 [2021-10-16 22:59:04,674 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 391.5ms TimeCoverageRelationStatistics Valid=447, Invalid=2103, Unknown=0, NotChecked=0, Total=2550 [2021-10-16 22:59:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41098 states. [2021-10-16 22:59:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41098 to 11000. [2021-10-16 22:59:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11000 states, 10971 states have (on average 1.9898824172819252) internal successors, (21831), 10999 states have internal predecessors, (21831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11000 states to 11000 states and 21831 transitions. [2021-10-16 22:59:04,954 INFO L78 Accepts]: Start accepts. Automaton has 11000 states and 21831 transitions. Word has length 95 [2021-10-16 22:59:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:04,954 INFO L470 AbstractCegarLoop]: Abstraction has 11000 states and 21831 transitions. [2021-10-16 22:59:04,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11000 states and 21831 transitions. [2021-10-16 22:59:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:04,955 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:04,955 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:04,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-10-16 22:59:04,955 INFO L402 AbstractCegarLoop]: === Iteration 284 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:04,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1191966903, now seen corresponding path program 206 times [2021-10-16 22:59:04,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:04,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700160692] [2021-10-16 22:59:04,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:04,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:05,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:05,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700160692] [2021-10-16 22:59:05,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700160692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:05,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:05,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:05,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92887739] [2021-10-16 22:59:05,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:05,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:05,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:05,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:05,101 INFO L87 Difference]: Start difference. First operand 11000 states and 21831 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:05,762 INFO L93 Difference]: Finished difference Result 11326 states and 22479 transitions. [2021-10-16 22:59:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-16 22:59:05,762 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:05,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:05,774 INFO L225 Difference]: With dead ends: 11326 [2021-10-16 22:59:05,774 INFO L226 Difference]: Without dead ends: 11326 [2021-10-16 22:59:05,774 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 174.3ms TimeCoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:59:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11326 states. [2021-10-16 22:59:05,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11326 to 11012. [2021-10-16 22:59:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11012 states, 10983 states have (on average 1.9898934717290357) internal successors, (21855), 11011 states have internal predecessors, (21855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11012 states to 11012 states and 21855 transitions. [2021-10-16 22:59:05,887 INFO L78 Accepts]: Start accepts. Automaton has 11012 states and 21855 transitions. Word has length 95 [2021-10-16 22:59:05,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:05,887 INFO L470 AbstractCegarLoop]: Abstraction has 11012 states and 21855 transitions. [2021-10-16 22:59:05,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 11012 states and 21855 transitions. [2021-10-16 22:59:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:05,888 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:05,888 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:05,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-10-16 22:59:05,888 INFO L402 AbstractCegarLoop]: === Iteration 285 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1581010253, now seen corresponding path program 207 times [2021-10-16 22:59:05,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:05,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805944859] [2021-10-16 22:59:05,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:05,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:06,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:06,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805944859] [2021-10-16 22:59:06,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805944859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:06,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:06,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:06,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693211171] [2021-10-16 22:59:06,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:06,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:06,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:06,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:06,045 INFO L87 Difference]: Start difference. First operand 11012 states and 21855 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:06,887 INFO L93 Difference]: Finished difference Result 11376 states and 22579 transitions. [2021-10-16 22:59:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-16 22:59:06,888 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:06,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:06,900 INFO L225 Difference]: With dead ends: 11376 [2021-10-16 22:59:06,900 INFO L226 Difference]: Without dead ends: 11376 [2021-10-16 22:59:06,900 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 210.9ms TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:59:06,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11376 states. [2021-10-16 22:59:07,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11376 to 11014. [2021-10-16 22:59:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11014 states, 10985 states have (on average 1.989895311788803) internal successors, (21859), 11013 states have internal predecessors, (21859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11014 states to 11014 states and 21859 transitions. [2021-10-16 22:59:07,081 INFO L78 Accepts]: Start accepts. Automaton has 11014 states and 21859 transitions. Word has length 95 [2021-10-16 22:59:07,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:07,081 INFO L470 AbstractCegarLoop]: Abstraction has 11014 states and 21859 transitions. [2021-10-16 22:59:07,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 11014 states and 21859 transitions. [2021-10-16 22:59:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:07,082 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:07,082 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:07,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-10-16 22:59:07,082 INFO L402 AbstractCegarLoop]: === Iteration 286 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:07,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:07,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1784281979, now seen corresponding path program 208 times [2021-10-16 22:59:07,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:07,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377410785] [2021-10-16 22:59:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:07,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:07,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:07,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377410785] [2021-10-16 22:59:07,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377410785] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:07,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:07,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:07,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378684051] [2021-10-16 22:59:07,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:07,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:07,229 INFO L87 Difference]: Start difference. First operand 11014 states and 21859 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:08,503 INFO L93 Difference]: Finished difference Result 11404 states and 22635 transitions. [2021-10-16 22:59:08,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:08,503 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:08,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:08,516 INFO L225 Difference]: With dead ends: 11404 [2021-10-16 22:59:08,516 INFO L226 Difference]: Without dead ends: 11404 [2021-10-16 22:59:08,516 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 258.1ms TimeCoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:08,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11404 states. [2021-10-16 22:59:08,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11404 to 11028. [2021-10-16 22:59:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11028 states, 10999 states have (on average 1.9899990908264387) internal successors, (21888), 11027 states have internal predecessors, (21888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11028 states to 11028 states and 21888 transitions. [2021-10-16 22:59:08,617 INFO L78 Accepts]: Start accepts. Automaton has 11028 states and 21888 transitions. Word has length 95 [2021-10-16 22:59:08,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:08,617 INFO L470 AbstractCegarLoop]: Abstraction has 11028 states and 21888 transitions. [2021-10-16 22:59:08,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 11028 states and 21888 transitions. [2021-10-16 22:59:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:08,618 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:08,618 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:08,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2021-10-16 22:59:08,618 INFO L402 AbstractCegarLoop]: === Iteration 287 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:08,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:08,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1169581863, now seen corresponding path program 209 times [2021-10-16 22:59:08,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:08,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111946968] [2021-10-16 22:59:08,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:08,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:08,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:08,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111946968] [2021-10-16 22:59:08,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111946968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:08,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:08,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:08,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676882044] [2021-10-16 22:59:08,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:08,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:08,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:08,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:08,771 INFO L87 Difference]: Start difference. First operand 11028 states and 21888 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:09,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:09,820 INFO L93 Difference]: Finished difference Result 11368 states and 22564 transitions. [2021-10-16 22:59:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-16 22:59:09,820 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:09,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:09,831 INFO L225 Difference]: With dead ends: 11368 [2021-10-16 22:59:09,831 INFO L226 Difference]: Without dead ends: 11368 [2021-10-16 22:59:09,832 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 218.3ms TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:59:09,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11368 states. [2021-10-16 22:59:09,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11368 to 11032. [2021-10-16 22:59:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 11003 states have (on average 1.9900027265291285) internal successors, (21896), 11031 states have internal predecessors, (21896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 21896 transitions. [2021-10-16 22:59:09,932 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 21896 transitions. Word has length 95 [2021-10-16 22:59:09,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:09,932 INFO L470 AbstractCegarLoop]: Abstraction has 11032 states and 21896 transitions. [2021-10-16 22:59:09,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 21896 transitions. [2021-10-16 22:59:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:09,933 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:09,933 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:09,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2021-10-16 22:59:09,933 INFO L402 AbstractCegarLoop]: === Iteration 288 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:09,934 INFO L82 PathProgramCache]: Analyzing trace with hash 239906799, now seen corresponding path program 210 times [2021-10-16 22:59:09,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:09,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118257402] [2021-10-16 22:59:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:09,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:10,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:10,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118257402] [2021-10-16 22:59:10,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118257402] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:10,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:10,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:10,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923499191] [2021-10-16 22:59:10,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:10,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:10,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:10,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:10,085 INFO L87 Difference]: Start difference. First operand 11032 states and 21896 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:11,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:11,313 INFO L93 Difference]: Finished difference Result 11444 states and 22716 transitions. [2021-10-16 22:59:11,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:11,314 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:11,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:11,324 INFO L225 Difference]: With dead ends: 11444 [2021-10-16 22:59:11,324 INFO L226 Difference]: Without dead ends: 11444 [2021-10-16 22:59:11,324 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 271.7ms TimeCoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:11,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11444 states. [2021-10-16 22:59:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11444 to 11030. [2021-10-16 22:59:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11030 states, 11001 states have (on average 1.990000909008272) internal successors, (21892), 11029 states have internal predecessors, (21892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 21892 transitions. [2021-10-16 22:59:11,421 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 21892 transitions. Word has length 95 [2021-10-16 22:59:11,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:11,421 INFO L470 AbstractCegarLoop]: Abstraction has 11030 states and 21892 transitions. [2021-10-16 22:59:11,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 21892 transitions. [2021-10-16 22:59:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:11,422 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:11,422 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:11,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2021-10-16 22:59:11,422 INFO L402 AbstractCegarLoop]: === Iteration 289 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:11,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:11,422 INFO L82 PathProgramCache]: Analyzing trace with hash -892928211, now seen corresponding path program 211 times [2021-10-16 22:59:11,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:11,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685400431] [2021-10-16 22:59:11,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:11,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:11,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:11,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685400431] [2021-10-16 22:59:11,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685400431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:11,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:11,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:11,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052020256] [2021-10-16 22:59:11,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:11,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:11,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:11,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:11,561 INFO L87 Difference]: Start difference. First operand 11030 states and 21892 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:12,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:12,808 INFO L93 Difference]: Finished difference Result 11406 states and 22640 transitions. [2021-10-16 22:59:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:12,808 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:12,820 INFO L225 Difference]: With dead ends: 11406 [2021-10-16 22:59:12,820 INFO L226 Difference]: Without dead ends: 11406 [2021-10-16 22:59:12,820 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 264.2ms TimeCoverageRelationStatistics Valid=155, Invalid=715, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11406 states. [2021-10-16 22:59:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11406 to 11032. [2021-10-16 22:59:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 11003 states have (on average 1.9900027265291285) internal successors, (21896), 11031 states have internal predecessors, (21896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 21896 transitions. [2021-10-16 22:59:12,922 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 21896 transitions. Word has length 95 [2021-10-16 22:59:12,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:12,922 INFO L470 AbstractCegarLoop]: Abstraction has 11032 states and 21896 transitions. [2021-10-16 22:59:12,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:12,922 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 21896 transitions. [2021-10-16 22:59:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:12,923 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:12,923 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:12,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2021-10-16 22:59:12,923 INFO L402 AbstractCegarLoop]: === Iteration 290 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:12,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:12,924 INFO L82 PathProgramCache]: Analyzing trace with hash -313123993, now seen corresponding path program 212 times [2021-10-16 22:59:12,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:12,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046833703] [2021-10-16 22:59:12,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:12,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:13,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:13,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:13,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046833703] [2021-10-16 22:59:13,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046833703] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:13,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:13,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:13,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955830203] [2021-10-16 22:59:13,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:13,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:13,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:13,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:13,064 INFO L87 Difference]: Start difference. First operand 11032 states and 21896 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:14,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:14,151 INFO L93 Difference]: Finished difference Result 11464 states and 22755 transitions. [2021-10-16 22:59:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:14,152 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:14,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:14,163 INFO L225 Difference]: With dead ends: 11464 [2021-10-16 22:59:14,163 INFO L226 Difference]: Without dead ends: 11464 [2021-10-16 22:59:14,164 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 253.1ms TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:14,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11464 states. [2021-10-16 22:59:14,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11464 to 11044. [2021-10-16 22:59:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11044 states, 11015 states have (on average 1.9901044030867) internal successors, (21921), 11043 states have internal predecessors, (21921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11044 states to 11044 states and 21921 transitions. [2021-10-16 22:59:14,264 INFO L78 Accepts]: Start accepts. Automaton has 11044 states and 21921 transitions. Word has length 95 [2021-10-16 22:59:14,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:14,264 INFO L470 AbstractCegarLoop]: Abstraction has 11044 states and 21921 transitions. [2021-10-16 22:59:14,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 11044 states and 21921 transitions. [2021-10-16 22:59:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:14,265 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:14,265 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:14,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-10-16 22:59:14,265 INFO L402 AbstractCegarLoop]: === Iteration 291 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:14,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:14,265 INFO L82 PathProgramCache]: Analyzing trace with hash 116105813, now seen corresponding path program 213 times [2021-10-16 22:59:14,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:14,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390397994] [2021-10-16 22:59:14,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:14,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:14,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:14,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390397994] [2021-10-16 22:59:14,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390397994] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:14,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:14,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:14,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465249888] [2021-10-16 22:59:14,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:14,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:14,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:14,407 INFO L87 Difference]: Start difference. First operand 11044 states and 21921 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:15,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:15,194 INFO L93 Difference]: Finished difference Result 11392 states and 22613 transitions. [2021-10-16 22:59:15,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:15,194 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:15,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:15,205 INFO L225 Difference]: With dead ends: 11392 [2021-10-16 22:59:15,205 INFO L226 Difference]: Without dead ends: 11392 [2021-10-16 22:59:15,205 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 207.4ms TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:59:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11392 states. [2021-10-16 22:59:15,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11392 to 11050. [2021-10-16 22:59:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9901097904001452) internal successors, (21933), 11049 states have internal predecessors, (21933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21933 transitions. [2021-10-16 22:59:15,305 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21933 transitions. Word has length 95 [2021-10-16 22:59:15,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:15,305 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21933 transitions. [2021-10-16 22:59:15,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21933 transitions. [2021-10-16 22:59:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:15,306 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:15,306 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:15,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2021-10-16 22:59:15,306 INFO L402 AbstractCegarLoop]: === Iteration 292 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:15,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:15,306 INFO L82 PathProgramCache]: Analyzing trace with hash -813569251, now seen corresponding path program 214 times [2021-10-16 22:59:15,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:15,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959112409] [2021-10-16 22:59:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:15,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:15,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:15,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959112409] [2021-10-16 22:59:15,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959112409] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:15,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:15,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:15,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947485611] [2021-10-16 22:59:15,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:15,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:15,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:15,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:15,444 INFO L87 Difference]: Start difference. First operand 11050 states and 21933 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:16,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:16,478 INFO L93 Difference]: Finished difference Result 11468 states and 22765 transitions. [2021-10-16 22:59:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:59:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:16,490 INFO L225 Difference]: With dead ends: 11468 [2021-10-16 22:59:16,490 INFO L226 Difference]: Without dead ends: 11468 [2021-10-16 22:59:16,490 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 261.1ms TimeCoverageRelationStatistics Valid=167, Invalid=703, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11468 states. [2021-10-16 22:59:16,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11468 to 11048. [2021-10-16 22:59:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9901079952808785) internal successors, (21929), 11047 states have internal predecessors, (21929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21929 transitions. [2021-10-16 22:59:16,595 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21929 transitions. Word has length 95 [2021-10-16 22:59:16,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:16,596 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21929 transitions. [2021-10-16 22:59:16,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21929 transitions. [2021-10-16 22:59:16,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:16,597 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:16,597 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:16,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2021-10-16 22:59:16,597 INFO L402 AbstractCegarLoop]: === Iteration 293 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:16,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:16,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1946404261, now seen corresponding path program 215 times [2021-10-16 22:59:16,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:16,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023621580] [2021-10-16 22:59:16,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:16,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:16,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:16,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023621580] [2021-10-16 22:59:16,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023621580] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:16,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:16,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:16,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577135652] [2021-10-16 22:59:16,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:16,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:16,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:16,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:16,739 INFO L87 Difference]: Start difference. First operand 11048 states and 21929 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:18,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:18,157 INFO L93 Difference]: Finished difference Result 11470 states and 22769 transitions. [2021-10-16 22:59:18,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:18,169 INFO L225 Difference]: With dead ends: 11470 [2021-10-16 22:59:18,169 INFO L226 Difference]: Without dead ends: 11470 [2021-10-16 22:59:18,170 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 271.7ms TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11470 states. [2021-10-16 22:59:18,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11470 to 11050. [2021-10-16 22:59:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9901097904001452) internal successors, (21933), 11049 states have internal predecessors, (21933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21933 transitions. [2021-10-16 22:59:18,270 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21933 transitions. Word has length 95 [2021-10-16 22:59:18,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:18,270 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21933 transitions. [2021-10-16 22:59:18,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:18,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21933 transitions. [2021-10-16 22:59:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:18,271 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:18,271 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:18,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2021-10-16 22:59:18,271 INFO L402 AbstractCegarLoop]: === Iteration 294 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:18,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:18,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1366600043, now seen corresponding path program 216 times [2021-10-16 22:59:18,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:18,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055326358] [2021-10-16 22:59:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:18,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:18,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:18,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055326358] [2021-10-16 22:59:18,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055326358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:18,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:18,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:18,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27051707] [2021-10-16 22:59:18,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:18,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:18,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:18,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:18,406 INFO L87 Difference]: Start difference. First operand 11050 states and 21933 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:19,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:19,574 INFO L93 Difference]: Finished difference Result 11540 states and 22909 transitions. [2021-10-16 22:59:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:19,575 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:19,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:19,585 INFO L225 Difference]: With dead ends: 11540 [2021-10-16 22:59:19,585 INFO L226 Difference]: Without dead ends: 11540 [2021-10-16 22:59:19,586 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 252.1ms TimeCoverageRelationStatistics Valid=157, Invalid=713, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11540 states. [2021-10-16 22:59:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11540 to 11046. [2021-10-16 22:59:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11046 states, 11017 states have (on average 1.9901061995098484) internal successors, (21925), 11045 states have internal predecessors, (21925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11046 states to 11046 states and 21925 transitions. [2021-10-16 22:59:19,685 INFO L78 Accepts]: Start accepts. Automaton has 11046 states and 21925 transitions. Word has length 95 [2021-10-16 22:59:19,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:19,685 INFO L470 AbstractCegarLoop]: Abstraction has 11046 states and 21925 transitions. [2021-10-16 22:59:19,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 11046 states and 21925 transitions. [2021-10-16 22:59:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:19,686 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:19,686 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:19,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2021-10-16 22:59:19,687 INFO L402 AbstractCegarLoop]: === Iteration 295 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:19,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:19,687 INFO L82 PathProgramCache]: Analyzing trace with hash -768014021, now seen corresponding path program 217 times [2021-10-16 22:59:19,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:19,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928950313] [2021-10-16 22:59:19,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:19,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:19,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:19,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928950313] [2021-10-16 22:59:19,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928950313] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:19,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:19,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:19,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085400693] [2021-10-16 22:59:19,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:19,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:19,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:19,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:19,818 INFO L87 Difference]: Start difference. First operand 11046 states and 21925 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:20,809 INFO L93 Difference]: Finished difference Result 11428 states and 22685 transitions. [2021-10-16 22:59:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:20,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:20,821 INFO L225 Difference]: With dead ends: 11428 [2021-10-16 22:59:20,821 INFO L226 Difference]: Without dead ends: 11428 [2021-10-16 22:59:20,822 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 249.4ms TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11428 states. [2021-10-16 22:59:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11428 to 11050. [2021-10-16 22:59:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11050 states, 11021 states have (on average 1.9901097904001452) internal successors, (21933), 11049 states have internal predecessors, (21933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11050 states to 11050 states and 21933 transitions. [2021-10-16 22:59:20,927 INFO L78 Accepts]: Start accepts. Automaton has 11050 states and 21933 transitions. Word has length 95 [2021-10-16 22:59:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:20,927 INFO L470 AbstractCegarLoop]: Abstraction has 11050 states and 21933 transitions. [2021-10-16 22:59:20,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 11050 states and 21933 transitions. [2021-10-16 22:59:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:20,928 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:20,928 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:20,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-10-16 22:59:20,928 INFO L402 AbstractCegarLoop]: === Iteration 296 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash -188209803, now seen corresponding path program 218 times [2021-10-16 22:59:20,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:20,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191953704] [2021-10-16 22:59:20,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:20,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:21,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:21,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191953704] [2021-10-16 22:59:21,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191953704] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:21,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:21,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:21,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852727601] [2021-10-16 22:59:21,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:21,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:21,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:21,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:21,060 INFO L87 Difference]: Start difference. First operand 11050 states and 21933 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:22,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:22,312 INFO L93 Difference]: Finished difference Result 11526 states and 22881 transitions. [2021-10-16 22:59:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:22,312 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:22,324 INFO L225 Difference]: With dead ends: 11526 [2021-10-16 22:59:22,324 INFO L226 Difference]: Without dead ends: 11526 [2021-10-16 22:59:22,324 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 252.3ms TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:22,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11526 states. [2021-10-16 22:59:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11526 to 11048. [2021-10-16 22:59:22,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 11019 states have (on average 1.9901079952808785) internal successors, (21929), 11047 states have internal predecessors, (21929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 21929 transitions. [2021-10-16 22:59:22,428 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 21929 transitions. Word has length 95 [2021-10-16 22:59:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:22,428 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 21929 transitions. [2021-10-16 22:59:22,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 21929 transitions. [2021-10-16 22:59:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:22,429 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:22,430 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:22,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2021-10-16 22:59:22,430 INFO L402 AbstractCegarLoop]: === Iteration 297 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:22,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:22,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1230231843, now seen corresponding path program 219 times [2021-10-16 22:59:22,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:22,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058909610] [2021-10-16 22:59:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:22,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:22,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:22,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058909610] [2021-10-16 22:59:22,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058909610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:22,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:22,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:22,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341954629] [2021-10-16 22:59:22,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:22,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:22,557 INFO L87 Difference]: Start difference. First operand 11048 states and 21929 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:23,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:23,791 INFO L93 Difference]: Finished difference Result 11540 states and 22907 transitions. [2021-10-16 22:59:23,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:23,791 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:23,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:23,832 INFO L225 Difference]: With dead ends: 11540 [2021-10-16 22:59:23,832 INFO L226 Difference]: Without dead ends: 11540 [2021-10-16 22:59:23,832 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 242.4ms TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:23,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11540 states. [2021-10-16 22:59:23,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11540 to 11060. [2021-10-16 22:59:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11060 states, 11031 states have (on average 1.9902094098449823) internal successors, (21954), 11059 states have internal predecessors, (21954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 21954 transitions. [2021-10-16 22:59:23,918 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 21954 transitions. Word has length 95 [2021-10-16 22:59:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:23,919 INFO L470 AbstractCegarLoop]: Abstraction has 11060 states and 21954 transitions. [2021-10-16 22:59:23,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 21954 transitions. [2021-10-16 22:59:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:23,920 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:23,920 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:23,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2021-10-16 22:59:23,920 INFO L402 AbstractCegarLoop]: === Iteration 298 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:23,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:23,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1605931013, now seen corresponding path program 220 times [2021-10-16 22:59:23,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:23,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645838648] [2021-10-16 22:59:23,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:23,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:24,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:24,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645838648] [2021-10-16 22:59:24,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645838648] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:24,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:24,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:24,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949015588] [2021-10-16 22:59:24,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:24,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:24,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:24,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:24,056 INFO L87 Difference]: Start difference. First operand 11060 states and 21954 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:25,165 INFO L93 Difference]: Finished difference Result 17455 states and 34656 transitions. [2021-10-16 22:59:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:25,165 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:25,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:25,185 INFO L225 Difference]: With dead ends: 17455 [2021-10-16 22:59:25,185 INFO L226 Difference]: Without dead ends: 17455 [2021-10-16 22:59:25,185 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 176.5ms TimeCoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:59:25,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17455 states. [2021-10-16 22:59:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17455 to 11074. [2021-10-16 22:59:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11074 states, 11045 states have (on average 1.9902218198279764) internal successors, (21982), 11073 states have internal predecessors, (21982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11074 states to 11074 states and 21982 transitions. [2021-10-16 22:59:25,318 INFO L78 Accepts]: Start accepts. Automaton has 11074 states and 21982 transitions. Word has length 95 [2021-10-16 22:59:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:25,318 INFO L470 AbstractCegarLoop]: Abstraction has 11074 states and 21982 transitions. [2021-10-16 22:59:25,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 11074 states and 21982 transitions. [2021-10-16 22:59:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:25,319 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:25,319 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:25,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2021-10-16 22:59:25,319 INFO L402 AbstractCegarLoop]: === Iteration 299 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:25,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:25,319 INFO L82 PathProgramCache]: Analyzing trace with hash 676255949, now seen corresponding path program 221 times [2021-10-16 22:59:25,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:25,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041057423] [2021-10-16 22:59:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:25,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:25,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:25,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041057423] [2021-10-16 22:59:25,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041057423] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:25,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:25,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:25,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572364975] [2021-10-16 22:59:25,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:25,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:25,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:25,455 INFO L87 Difference]: Start difference. First operand 11074 states and 21982 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:27,474 INFO L93 Difference]: Finished difference Result 17531 states and 34808 transitions. [2021-10-16 22:59:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:59:27,475 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:27,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:27,494 INFO L225 Difference]: With dead ends: 17531 [2021-10-16 22:59:27,494 INFO L226 Difference]: Without dead ends: 17531 [2021-10-16 22:59:27,494 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 242.3ms TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17531 states. [2021-10-16 22:59:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17531 to 11072. [2021-10-16 22:59:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11072 states, 11043 states have (on average 1.9902200488997555) internal successors, (21978), 11071 states have internal predecessors, (21978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11072 states to 11072 states and 21978 transitions. [2021-10-16 22:59:27,627 INFO L78 Accepts]: Start accepts. Automaton has 11072 states and 21978 transitions. Word has length 95 [2021-10-16 22:59:27,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:27,627 INFO L470 AbstractCegarLoop]: Abstraction has 11072 states and 21978 transitions. [2021-10-16 22:59:27,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 11072 states and 21978 transitions. [2021-10-16 22:59:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:27,628 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:27,628 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:27,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2021-10-16 22:59:27,628 INFO L402 AbstractCegarLoop]: === Iteration 300 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash -456579061, now seen corresponding path program 222 times [2021-10-16 22:59:27,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:27,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574228900] [2021-10-16 22:59:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:27,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:27,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:27,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574228900] [2021-10-16 22:59:27,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574228900] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:27,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:27,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:27,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622832092] [2021-10-16 22:59:27,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:27,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:27,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:27,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:27,762 INFO L87 Difference]: Start difference. First operand 11072 states and 21978 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:29,370 INFO L93 Difference]: Finished difference Result 17528 states and 34802 transitions. [2021-10-16 22:59:29,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:59:29,371 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:29,389 INFO L225 Difference]: With dead ends: 17528 [2021-10-16 22:59:29,390 INFO L226 Difference]: Without dead ends: 17528 [2021-10-16 22:59:29,390 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 253.3ms TimeCoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:29,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17528 states. [2021-10-16 22:59:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17528 to 11074. [2021-10-16 22:59:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11074 states, 11045 states have (on average 1.9902218198279764) internal successors, (21982), 11073 states have internal predecessors, (21982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11074 states to 11074 states and 21982 transitions. [2021-10-16 22:59:29,520 INFO L78 Accepts]: Start accepts. Automaton has 11074 states and 21982 transitions. Word has length 95 [2021-10-16 22:59:29,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:29,520 INFO L470 AbstractCegarLoop]: Abstraction has 11074 states and 21982 transitions. [2021-10-16 22:59:29,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 11074 states and 21982 transitions. [2021-10-16 22:59:29,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:29,521 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:29,521 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:29,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2021-10-16 22:59:29,521 INFO L402 AbstractCegarLoop]: === Iteration 301 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:29,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:29,521 INFO L82 PathProgramCache]: Analyzing trace with hash 123225157, now seen corresponding path program 223 times [2021-10-16 22:59:29,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:29,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000343810] [2021-10-16 22:59:29,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:29,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:29,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:29,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000343810] [2021-10-16 22:59:29,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000343810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:29,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:29,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:29,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413248001] [2021-10-16 22:59:29,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:29,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:29,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:29,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:29,652 INFO L87 Difference]: Start difference. First operand 11074 states and 21982 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:31,233 INFO L93 Difference]: Finished difference Result 17598 states and 34942 transitions. [2021-10-16 22:59:31,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 22:59:31,234 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:31,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:31,253 INFO L225 Difference]: With dead ends: 17598 [2021-10-16 22:59:31,253 INFO L226 Difference]: Without dead ends: 17598 [2021-10-16 22:59:31,254 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 235.7ms TimeCoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17598 states. [2021-10-16 22:59:31,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17598 to 11070. [2021-10-16 22:59:31,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11070 states, 11041 states have (on average 1.990218277329952) internal successors, (21974), 11069 states have internal predecessors, (21974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11070 states to 11070 states and 21974 transitions. [2021-10-16 22:59:31,381 INFO L78 Accepts]: Start accepts. Automaton has 11070 states and 21974 transitions. Word has length 95 [2021-10-16 22:59:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:31,381 INFO L470 AbstractCegarLoop]: Abstraction has 11070 states and 21974 transitions. [2021-10-16 22:59:31,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 11070 states and 21974 transitions. [2021-10-16 22:59:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:31,382 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:31,382 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:31,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2021-10-16 22:59:31,383 INFO L402 AbstractCegarLoop]: === Iteration 302 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:31,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:31,383 INFO L82 PathProgramCache]: Analyzing trace with hash 721811179, now seen corresponding path program 224 times [2021-10-16 22:59:31,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:31,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171885211] [2021-10-16 22:59:31,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:31,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:31,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:31,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:31,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171885211] [2021-10-16 22:59:31,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171885211] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:31,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:31,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:31,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520454377] [2021-10-16 22:59:31,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:31,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:31,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:31,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:31,511 INFO L87 Difference]: Start difference. First operand 11070 states and 21974 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:33,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:33,030 INFO L93 Difference]: Finished difference Result 17540 states and 34826 transitions. [2021-10-16 22:59:33,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:33,030 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:33,049 INFO L225 Difference]: With dead ends: 17540 [2021-10-16 22:59:33,050 INFO L226 Difference]: Without dead ends: 17540 [2021-10-16 22:59:33,050 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 243.6ms TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17540 states. [2021-10-16 22:59:33,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17540 to 11074. [2021-10-16 22:59:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11074 states, 11045 states have (on average 1.9902218198279764) internal successors, (21982), 11073 states have internal predecessors, (21982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11074 states to 11074 states and 21982 transitions. [2021-10-16 22:59:33,230 INFO L78 Accepts]: Start accepts. Automaton has 11074 states and 21982 transitions. Word has length 95 [2021-10-16 22:59:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:33,230 INFO L470 AbstractCegarLoop]: Abstraction has 11074 states and 21982 transitions. [2021-10-16 22:59:33,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 11074 states and 21982 transitions. [2021-10-16 22:59:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:33,231 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:33,231 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:33,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2021-10-16 22:59:33,232 INFO L402 AbstractCegarLoop]: === Iteration 303 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:33,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:33,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1301615397, now seen corresponding path program 225 times [2021-10-16 22:59:33,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:33,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290768685] [2021-10-16 22:59:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:33,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:33,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:33,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290768685] [2021-10-16 22:59:33,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290768685] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:33,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:33,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:33,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364219426] [2021-10-16 22:59:33,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:33,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:33,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:33,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:33,357 INFO L87 Difference]: Start difference. First operand 11074 states and 21982 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:35,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:59:35,183 INFO L93 Difference]: Finished difference Result 17638 states and 35022 transitions. [2021-10-16 22:59:35,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-16 22:59:35,183 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2021-10-16 22:59:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:59:35,203 INFO L225 Difference]: With dead ends: 17638 [2021-10-16 22:59:35,203 INFO L226 Difference]: Without dead ends: 17638 [2021-10-16 22:59:35,203 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 237.5ms TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:59:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17638 states. [2021-10-16 22:59:35,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17638 to 11072. [2021-10-16 22:59:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11072 states, 11043 states have (on average 1.9902200488997555) internal successors, (21978), 11071 states have internal predecessors, (21978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:35,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11072 states to 11072 states and 21978 transitions. [2021-10-16 22:59:35,332 INFO L78 Accepts]: Start accepts. Automaton has 11072 states and 21978 transitions. Word has length 95 [2021-10-16 22:59:35,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:59:35,332 INFO L470 AbstractCegarLoop]: Abstraction has 11072 states and 21978 transitions. [2021-10-16 22:59:35,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:59:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 11072 states and 21978 transitions. [2021-10-16 22:59:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-10-16 22:59:35,333 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:59:35,333 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:59:35,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2021-10-16 22:59:35,333 INFO L402 AbstractCegarLoop]: === Iteration 304 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2021-10-16 22:59:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:59:35,333 INFO L82 PathProgramCache]: Analyzing trace with hash 259593357, now seen corresponding path program 226 times [2021-10-16 22:59:35,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:59:35,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135422471] [2021-10-16 22:59:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:59:35,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:59:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:59:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:59:35,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:59:35,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135422471] [2021-10-16 22:59:35,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135422471] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:59:35,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:59:35,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-10-16 22:59:35,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045136744] [2021-10-16 22:59:35,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-16 22:59:35,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:59:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-16 22:59:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-16 22:59:35,457 INFO L87 Difference]: Start difference. First operand 11072 states and 21978 transitions. Second operand has 15 states, 14 states have (on average 6.785714285714286) internal successors, (95), 15 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2021-10-16 22:59:35,969 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-16 22:59:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-16 22:59:35,973 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2021-10-16 22:59:35,974 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:59:35,979 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:59:35,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:59:35,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:59:35 BasicIcfg [2021-10-16 22:59:35,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:59:35,981 INFO L168 Benchmark]: Toolchain (without parser) took 739585.46 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 138.1 MB in the beginning and 811.4 MB in the end (delta: -673.3 MB). Peak memory consumption was 710.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,981 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 190.8 MB. Free memory is still 157.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:59:35,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.43 ms. Allocated memory is still 190.8 MB. Free memory was 137.8 MB in the beginning and 138.1 MB in the end (delta: -335.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.81 ms. Allocated memory is still 190.8 MB. Free memory was 138.1 MB in the beginning and 134.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,982 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 190.8 MB. Free memory was 134.5 MB in the beginning and 131.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,982 INFO L168 Benchmark]: RCFGBuilder took 487.41 ms. Allocated memory is still 190.8 MB. Free memory was 131.3 MB in the beginning and 106.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,982 INFO L168 Benchmark]: TraceAbstraction took 738334.35 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 106.2 MB in the beginning and 811.4 MB in the end (delta: -705.2 MB). Peak memory consumption was 679.4 MB. Max. memory is 8.0 GB. [2021-10-16 22:59:35,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 190.8 MB. Free memory is still 157.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 637.43 ms. Allocated memory is still 190.8 MB. Free memory was 137.8 MB in the beginning and 138.1 MB in the end (delta: -335.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 73.81 ms. Allocated memory is still 190.8 MB. Free memory was 138.1 MB in the beginning and 134.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 190.8 MB. Free memory was 134.5 MB in the beginning and 131.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 487.41 ms. Allocated memory is still 190.8 MB. Free memory was 131.3 MB in the beginning and 106.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 738334.35 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 106.2 MB in the beginning and 811.4 MB in the end (delta: -705.2 MB). Peak memory consumption was 679.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1221]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1244]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1221]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1222]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1221]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1222]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1225]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1226]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1246]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1222]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1225]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1226]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1237]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was constructing difference of abstraction (11072states) and FLOYD_HOARE automaton (currently 21 states, 15 states before enhancement),while ReachableStatesComputation was computing reachable states (718 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 347 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 738195.4ms, OverallIterations: 304, TraceHistogramMax: 1, EmptinessCheckTime: 323.8ms, AutomataDifference: 643518.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 171.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 274846 SDtfs, 425789 SDslu, 1939917 SDs, 0 SdLazy, 1200481 SolverSat, 23719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 412267.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12005 GetRequests, 823 SyntacticMatches, 0 SemanticMatches, 11182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100562 ImplicationChecksByTransitivity, 104720.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11120occurred in iteration=256, InterpolantAutomatonStates: 9156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 51624.6ms AutomataMinimizationTime, 303 MinimizatonAttempts, 3519694 StatesRemovedByMinimization, 302 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 444.6ms SsaConstructionTime, 1377.6ms SatisfiabilityAnalysisTime, 39296.8ms InterpolantComputationTime, 28727 NumberOfCodeBlocks, 28727 NumberOfCodeBlocksAsserted, 304 NumberOfCheckSat, 28423 ConstructedInterpolants, 0 QuantifiedInterpolants, 141338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 304 InterpolantComputations, 304 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown