/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_02-list_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-5b77e9fc37942d960732eb3788a90132329d3bc4-5b77e9f [2021-10-19 14:24:23,494 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-19 14:24:23,577 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 [2021-10-19 14:24:23,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-19 14:24:23,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-19 14:24:23,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-19 14:24:23,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-19 14:24:23,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * Use SBE=true [2021-10-19 14:24:23,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-19 14:24:23,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-19 14:24:23,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-19 14:24:23,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:23,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-19 14:24:23,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-19 14:24:23,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-19 14:24:23,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-19 14:24:23,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-19 14:24:23,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-19 14:24:23,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-19 14:24:23,803 INFO L275 PluginConnector]: CDTParser initialized [2021-10-19 14:24:23,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-19 14:24:23,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd59c793/987bfecc22974e5aafa018c6993d3707/FLAG596185935 [2021-10-19 14:24:24,261 INFO L306 CDTParser]: Found 1 translation units. [2021-10-19 14:24:24,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-19 14:24:24,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd59c793/987bfecc22974e5aafa018c6993d3707/FLAG596185935 [2021-10-19 14:24:24,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdd59c793/987bfecc22974e5aafa018c6993d3707 [2021-10-19 14:24:24,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-19 14:24:24,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-19 14:24:24,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:24,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-19 14:24:24,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-19 14:24:24,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef426ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:24, skipping insertion in model container [2021-10-19 14:24:24,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 02:24:24" (1/1) ... [2021-10-19 14:24:24,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-19 14:24:24,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-19 14:24:25,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:25,055 INFO L203 MainTranslator]: Completed pre-run [2021-10-19 14:24:25,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-19 14:24:25,156 INFO L208 MainTranslator]: Completed translation [2021-10-19 14:24:25,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25 WrapperNode [2021-10-19 14:24:25,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-19 14:24:25,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:25,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-19 14:24:25,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-19 14:24:25,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-19 14:24:25,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-19 14:24:25,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-19 14:24:25,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-19 14:24:25,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-19 14:24:25,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-19 14:24:25,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-19 14:24:25,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-19 14:24:25,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (1/1) ... [2021-10-19 14:24:25,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-19 14:24:25,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-19 14:24:25,305 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) [2021-10-19 14:24:25,315 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 [2021-10-19 14:24:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-19 14:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-19 14:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-19 14:24:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-19 14:24:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-19 14:24:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-19 14:24:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-19 14:24:25,336 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-19 14:24:25,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-19 14:24:25,822 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-19 14:24:25,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:25 BoogieIcfgContainer [2021-10-19 14:24:25,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-19 14:24:25,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-19 14:24:25,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-19 14:24:25,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-19 14:24:25,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 02:24:24" (1/3) ... [2021-10-19 14:24:25,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e5e048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:25, skipping insertion in model container [2021-10-19 14:24:25,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 02:24:25" (2/3) ... [2021-10-19 14:24:25,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e5e048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:24:25, skipping insertion in model container [2021-10-19 14:24:25,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:24:25" (3/3) ... [2021-10-19 14:24:25,830 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2021-10-19 14:24:25,833 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-19 14:24:25,833 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-19 14:24:25,833 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-19 14:24:25,834 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,876 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,879 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,880 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,881 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,882 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,883 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,884 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,885 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,886 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,895 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,896 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-19 14:24:25,905 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-19 14:24:25,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-19 14:24:25,941 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 [2021-10-19 14:24:25,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-10-19 14:24:25,952 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 202 places, 198 transitions, 401 flow [2021-10-19 14:24:26,033 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2173 states, 2134 states have (on average 1.943298969072165) internal successors, (4147), 2172 states have internal predecessors, (4147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 2173 states, 2134 states have (on average 1.943298969072165) internal successors, (4147), 2172 states have internal predecessors, (4147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-19 14:24:26,044 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,045 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1136354593, now seen corresponding path program 1 times [2021-10-19 14:24:26,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132939847] [2021-10-19 14:24:26,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:26,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132939847] [2021-10-19 14:24:26,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132939847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:26,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068024910] [2021-10-19 14:24:26,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:26,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:26,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,303 INFO L87 Difference]: Start difference. First operand has 2173 states, 2134 states have (on average 1.943298969072165) internal successors, (4147), 2172 states have internal predecessors, (4147), 0 states have call successors, (0), 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 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,531 INFO L93 Difference]: Finished difference Result 2171 states and 4145 transitions. [2021-10-19 14:24:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:26,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-19 14:24:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,554 INFO L225 Difference]: With dead ends: 2171 [2021-10-19 14:24:26,554 INFO L226 Difference]: Without dead ends: 2171 [2021-10-19 14:24:26,556 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2171 states. [2021-10-19 14:24:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2171 to 2171. [2021-10-19 14:24:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 2134 states have (on average 1.942361761949391) internal successors, (4145), 2170 states have internal predecessors, (4145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 4145 transitions. [2021-10-19 14:24:26,659 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 4145 transitions. Word has length 41 [2021-10-19 14:24:26,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,659 INFO L470 AbstractCegarLoop]: Abstraction has 2171 states and 4145 transitions. [2021-10-19 14:24:26,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 4145 transitions. [2021-10-19 14:24:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-19 14:24:26,661 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,661 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-19 14:24:26,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:26,662 INFO L82 PathProgramCache]: Analyzing trace with hash -900700414, now seen corresponding path program 1 times [2021-10-19 14:24:26,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:26,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69105551] [2021-10-19 14:24:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:26,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:26,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:26,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69105551] [2021-10-19 14:24:26,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69105551] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:26,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:26,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:26,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541458313] [2021-10-19 14:24:26,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:26,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:26,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:26,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,770 INFO L87 Difference]: Start difference. First operand 2171 states and 4145 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:26,937 INFO L93 Difference]: Finished difference Result 2169 states and 4143 transitions. [2021-10-19 14:24:26,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:26,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-19 14:24:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:26,946 INFO L225 Difference]: With dead ends: 2169 [2021-10-19 14:24:26,946 INFO L226 Difference]: Without dead ends: 2169 [2021-10-19 14:24:26,946 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:26,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2021-10-19 14:24:26,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 2169. [2021-10-19 14:24:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2134 states have (on average 1.9414245548266167) internal successors, (4143), 2168 states have internal predecessors, (4143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 4143 transitions. [2021-10-19 14:24:26,990 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 4143 transitions. Word has length 49 [2021-10-19 14:24:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:26,991 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 4143 transitions. [2021-10-19 14:24:26,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 4143 transitions. [2021-10-19 14:24:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-19 14:24:26,995 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:26,995 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:26,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-19 14:24:26,999 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1597781668, now seen corresponding path program 1 times [2021-10-19 14:24:27,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951977694] [2021-10-19 14:24:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951977694] [2021-10-19 14:24:27,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951977694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:27,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898359182] [2021-10-19 14:24:27,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:27,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:27,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:27,063 INFO L87 Difference]: Start difference. First operand 2169 states and 4143 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,087 INFO L93 Difference]: Finished difference Result 2168 states and 4142 transitions. [2021-10-19 14:24:27,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:27,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-19 14:24:27,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,094 INFO L225 Difference]: With dead ends: 2168 [2021-10-19 14:24:27,094 INFO L226 Difference]: Without dead ends: 2168 [2021-10-19 14:24:27,094 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2021-10-19 14:24:27,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2168. [2021-10-19 14:24:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2134 states have (on average 1.9409559512652297) internal successors, (4142), 2167 states have internal predecessors, (4142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 4142 transitions. [2021-10-19 14:24:27,130 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 4142 transitions. Word has length 55 [2021-10-19 14:24:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,132 INFO L470 AbstractCegarLoop]: Abstraction has 2168 states and 4142 transitions. [2021-10-19 14:24:27,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4142 transitions. [2021-10-19 14:24:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-19 14:24:27,133 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,133 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:27,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-19 14:24:27,133 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1656188796, now seen corresponding path program 1 times [2021-10-19 14:24:27,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260369455] [2021-10-19 14:24:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260369455] [2021-10-19 14:24:27,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260369455] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-19 14:24:27,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940647103] [2021-10-19 14:24:27,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:24:27,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:24:27,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:27,177 INFO L87 Difference]: Start difference. First operand 2168 states and 4142 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,194 INFO L93 Difference]: Finished difference Result 2038 states and 3887 transitions. [2021-10-19 14:24:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:24:27,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-10-19 14:24:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,200 INFO L225 Difference]: With dead ends: 2038 [2021-10-19 14:24:27,200 INFO L226 Difference]: Without dead ends: 2038 [2021-10-19 14:24:27,200 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:24:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2021-10-19 14:24:27,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2038. [2021-10-19 14:24:27,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 2020 states have (on average 1.9242574257425742) internal successors, (3887), 2037 states have internal predecessors, (3887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 3887 transitions. [2021-10-19 14:24:27,258 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 3887 transitions. Word has length 59 [2021-10-19 14:24:27,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,259 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 3887 transitions. [2021-10-19 14:24:27,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 3887 transitions. [2021-10-19 14:24:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-10-19 14:24:27,260 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,260 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:27,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-19 14:24:27,260 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,260 INFO L82 PathProgramCache]: Analyzing trace with hash -250131672, now seen corresponding path program 1 times [2021-10-19 14:24:27,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251886157] [2021-10-19 14:24:27,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251886157] [2021-10-19 14:24:27,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251886157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:27,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934592139] [2021-10-19 14:24:27,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:27,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,350 INFO L87 Difference]: Start difference. First operand 2038 states and 3887 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:27,507 INFO L93 Difference]: Finished difference Result 2037 states and 3886 transitions. [2021-10-19 14:24:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:27,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-10-19 14:24:27,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:27,514 INFO L225 Difference]: With dead ends: 2037 [2021-10-19 14:24:27,515 INFO L226 Difference]: Without dead ends: 2037 [2021-10-19 14:24:27,515 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2021-10-19 14:24:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2037. [2021-10-19 14:24:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2037 states, 2020 states have (on average 1.9237623762376237) internal successors, (3886), 2036 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 3886 transitions. [2021-10-19 14:24:27,548 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 3886 transitions. Word has length 88 [2021-10-19 14:24:27,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:27,548 INFO L470 AbstractCegarLoop]: Abstraction has 2037 states and 3886 transitions. [2021-10-19 14:24:27,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 3886 transitions. [2021-10-19 14:24:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-19 14:24:27,553 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:27,554 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:27,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-19 14:24:27,555 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:27,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:27,555 INFO L82 PathProgramCache]: Analyzing trace with hash -459326923, now seen corresponding path program 1 times [2021-10-19 14:24:27,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:27,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576003691] [2021-10-19 14:24:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:27,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:27,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:27,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576003691] [2021-10-19 14:24:27,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576003691] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:27,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:27,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:27,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908679210] [2021-10-19 14:24:27,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:27,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:27,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:27,697 INFO L87 Difference]: Start difference. First operand 2037 states and 3886 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:28,101 INFO L93 Difference]: Finished difference Result 3101 states and 5929 transitions. [2021-10-19 14:24:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:28,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2021-10-19 14:24:28,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:28,115 INFO L225 Difference]: With dead ends: 3101 [2021-10-19 14:24:28,115 INFO L226 Difference]: Without dead ends: 3101 [2021-10-19 14:24:28,116 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2021-10-19 14:24:28,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 2169. [2021-10-19 14:24:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2155 states have (on average 1.9234338747099768) internal successors, (4145), 2168 states have internal predecessors, (4145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 4145 transitions. [2021-10-19 14:24:28,162 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 4145 transitions. Word has length 105 [2021-10-19 14:24:28,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:28,163 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 4145 transitions. [2021-10-19 14:24:28,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 4145 transitions. [2021-10-19 14:24:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-10-19 14:24:28,168 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:28,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:28,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-19 14:24:28,168 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:28,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:28,169 INFO L82 PathProgramCache]: Analyzing trace with hash 899656857, now seen corresponding path program 1 times [2021-10-19 14:24:28,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:28,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243750156] [2021-10-19 14:24:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:28,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:28,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:28,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243750156] [2021-10-19 14:24:28,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243750156] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:28,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:28,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:28,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466272540] [2021-10-19 14:24:28,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:28,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:28,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:28,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,306 INFO L87 Difference]: Start difference. First operand 2169 states and 4145 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:28,442 INFO L93 Difference]: Finished difference Result 2278 states and 4358 transitions. [2021-10-19 14:24:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:28,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2021-10-19 14:24:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:28,449 INFO L225 Difference]: With dead ends: 2278 [2021-10-19 14:24:28,449 INFO L226 Difference]: Without dead ends: 2278 [2021-10-19 14:24:28,450 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2021-10-19 14:24:28,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2252. [2021-10-19 14:24:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2252 states, 2238 states have (on average 1.9244861483467381) internal successors, (4307), 2251 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 4307 transitions. [2021-10-19 14:24:28,488 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 4307 transitions. Word has length 109 [2021-10-19 14:24:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:28,489 INFO L470 AbstractCegarLoop]: Abstraction has 2252 states and 4307 transitions. [2021-10-19 14:24:28,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 4307 transitions. [2021-10-19 14:24:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-19 14:24:28,490 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:28,490 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:28,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-19 14:24:28,491 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:28,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:28,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1312274186, now seen corresponding path program 1 times [2021-10-19 14:24:28,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:28,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295401911] [2021-10-19 14:24:28,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:28,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:28,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:28,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295401911] [2021-10-19 14:24:28,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295401911] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:28,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:28,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:24:28,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215173828] [2021-10-19 14:24:28,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:24:28,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:28,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:24:28,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,566 INFO L87 Difference]: Start difference. First operand 2252 states and 4307 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:28,953 INFO L93 Difference]: Finished difference Result 2835 states and 5407 transitions. [2021-10-19 14:24:28,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:24:28,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-19 14:24:28,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:28,962 INFO L225 Difference]: With dead ends: 2835 [2021-10-19 14:24:28,963 INFO L226 Difference]: Without dead ends: 2730 [2021-10-19 14:24:28,963 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:24:28,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2730 states. [2021-10-19 14:24:28,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2730 to 2338. [2021-10-19 14:24:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2338 states, 2324 states have (on average 1.923407917383821) internal successors, (4470), 2337 states have internal predecessors, (4470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2338 states and 4470 transitions. [2021-10-19 14:24:29,006 INFO L78 Accepts]: Start accepts. Automaton has 2338 states and 4470 transitions. Word has length 114 [2021-10-19 14:24:29,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:29,007 INFO L470 AbstractCegarLoop]: Abstraction has 2338 states and 4470 transitions. [2021-10-19 14:24:29,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 4470 transitions. [2021-10-19 14:24:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:29,008 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:29,008 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:29,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-19 14:24:29,008 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:29,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:29,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1789730129, now seen corresponding path program 1 times [2021-10-19 14:24:29,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:29,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425041489] [2021-10-19 14:24:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:29,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:29,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:29,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425041489] [2021-10-19 14:24:29,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425041489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:29,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:29,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:29,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174947883] [2021-10-19 14:24:29,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:29,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:29,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:29,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:29,223 INFO L87 Difference]: Start difference. First operand 2338 states and 4470 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:30,323 INFO L93 Difference]: Finished difference Result 4182 states and 8046 transitions. [2021-10-19 14:24:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-19 14:24:30,323 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:30,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:30,336 INFO L225 Difference]: With dead ends: 4182 [2021-10-19 14:24:30,336 INFO L226 Difference]: Without dead ends: 4182 [2021-10-19 14:24:30,336 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 185.8ms TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:24:30,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4182 states. [2021-10-19 14:24:30,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4182 to 2359. [2021-10-19 14:24:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2359 states, 2345 states have (on average 1.92409381663113) internal successors, (4512), 2358 states have internal predecessors, (4512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2359 states and 4512 transitions. [2021-10-19 14:24:30,383 INFO L78 Accepts]: Start accepts. Automaton has 2359 states and 4512 transitions. Word has length 117 [2021-10-19 14:24:30,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:30,383 INFO L470 AbstractCegarLoop]: Abstraction has 2359 states and 4512 transitions. [2021-10-19 14:24:30,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 4512 transitions. [2021-10-19 14:24:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:30,385 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:30,385 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:30,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-19 14:24:30,385 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:30,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:30,385 INFO L82 PathProgramCache]: Analyzing trace with hash 389087227, now seen corresponding path program 2 times [2021-10-19 14:24:30,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:30,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511008309] [2021-10-19 14:24:30,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:30,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:30,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:30,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511008309] [2021-10-19 14:24:30,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511008309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:30,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:30,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:30,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431943243] [2021-10-19 14:24:30,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:30,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:30,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:30,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:30,560 INFO L87 Difference]: Start difference. First operand 2359 states and 4512 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:32,089 INFO L93 Difference]: Finished difference Result 4298 states and 8275 transitions. [2021-10-19 14:24:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-19 14:24:32,089 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:32,098 INFO L225 Difference]: With dead ends: 4298 [2021-10-19 14:24:32,098 INFO L226 Difference]: Without dead ends: 4298 [2021-10-19 14:24:32,098 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 255.9ms TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:32,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-10-19 14:24:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 2384. [2021-10-19 14:24:32,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2370 states have (on average 1.9253164556962026) internal successors, (4563), 2383 states have internal predecessors, (4563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 4563 transitions. [2021-10-19 14:24:32,146 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 4563 transitions. Word has length 117 [2021-10-19 14:24:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:32,147 INFO L470 AbstractCegarLoop]: Abstraction has 2384 states and 4563 transitions. [2021-10-19 14:24:32,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4563 transitions. [2021-10-19 14:24:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:32,148 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:32,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:32,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-19 14:24:32,148 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:32,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1881203541, now seen corresponding path program 3 times [2021-10-19 14:24:32,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:32,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19286345] [2021-10-19 14:24:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:32,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:32,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:32,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:32,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19286345] [2021-10-19 14:24:32,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19286345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:32,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:32,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:32,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994617762] [2021-10-19 14:24:32,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:32,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:32,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:32,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:32,319 INFO L87 Difference]: Start difference. First operand 2384 states and 4563 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:34,087 INFO L93 Difference]: Finished difference Result 4421 states and 8517 transitions. [2021-10-19 14:24:34,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:34,087 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:34,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:34,096 INFO L225 Difference]: With dead ends: 4421 [2021-10-19 14:24:34,096 INFO L226 Difference]: Without dead ends: 4421 [2021-10-19 14:24:34,097 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 499.0ms TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2021-10-19 14:24:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2021-10-19 14:24:34,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 2390. [2021-10-19 14:24:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2390 states, 2376 states have (on average 1.9255050505050506) internal successors, (4575), 2389 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 4575 transitions. [2021-10-19 14:24:34,142 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 4575 transitions. Word has length 117 [2021-10-19 14:24:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:34,142 INFO L470 AbstractCegarLoop]: Abstraction has 2390 states and 4575 transitions. [2021-10-19 14:24:34,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 4575 transitions. [2021-10-19 14:24:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:34,143 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:34,143 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:34,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-19 14:24:34,143 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:34,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1641561203, now seen corresponding path program 4 times [2021-10-19 14:24:34,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:34,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186957811] [2021-10-19 14:24:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:34,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:34,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:34,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186957811] [2021-10-19 14:24:34,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186957811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:34,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:34,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:34,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065967791] [2021-10-19 14:24:34,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:34,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:34,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:34,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:34,349 INFO L87 Difference]: Start difference. First operand 2390 states and 4575 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:36,057 INFO L93 Difference]: Finished difference Result 4369 states and 8417 transitions. [2021-10-19 14:24:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:24:36,058 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:36,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:36,066 INFO L225 Difference]: With dead ends: 4369 [2021-10-19 14:24:36,066 INFO L226 Difference]: Without dead ends: 4369 [2021-10-19 14:24:36,067 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 480.0ms TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:36,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2021-10-19 14:24:36,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 2409. [2021-10-19 14:24:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 2395 states have (on average 1.9265135699373694) internal successors, (4614), 2408 states have internal predecessors, (4614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 4614 transitions. [2021-10-19 14:24:36,122 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 4614 transitions. Word has length 117 [2021-10-19 14:24:36,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:36,122 INFO L470 AbstractCegarLoop]: Abstraction has 2409 states and 4614 transitions. [2021-10-19 14:24:36,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 4614 transitions. [2021-10-19 14:24:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:36,123 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:36,123 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:36,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-19 14:24:36,124 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:36,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:36,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1549734789, now seen corresponding path program 5 times [2021-10-19 14:24:36,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:36,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634680797] [2021-10-19 14:24:36,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:36,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:36,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:36,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634680797] [2021-10-19 14:24:36,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634680797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:36,284 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:36,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:36,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084678781] [2021-10-19 14:24:36,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:36,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:36,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:36,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:36,285 INFO L87 Difference]: Start difference. First operand 2409 states and 4614 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:37,486 INFO L93 Difference]: Finished difference Result 4426 states and 8528 transitions. [2021-10-19 14:24:37,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:24:37,486 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:37,494 INFO L225 Difference]: With dead ends: 4426 [2021-10-19 14:24:37,494 INFO L226 Difference]: Without dead ends: 4426 [2021-10-19 14:24:37,494 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 390.0ms TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2021-10-19 14:24:37,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2021-10-19 14:24:37,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 2417. [2021-10-19 14:24:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2403 states have (on average 1.9267582188930503) internal successors, (4630), 2416 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 4630 transitions. [2021-10-19 14:24:37,531 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 4630 transitions. Word has length 117 [2021-10-19 14:24:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:37,531 INFO L470 AbstractCegarLoop]: Abstraction has 2417 states and 4630 transitions. [2021-10-19 14:24:37,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 4630 transitions. [2021-10-19 14:24:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:37,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:37,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:37,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-19 14:24:37,533 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:37,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:37,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1789377127, now seen corresponding path program 6 times [2021-10-19 14:24:37,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:37,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485804990] [2021-10-19 14:24:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:37,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:37,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:37,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485804990] [2021-10-19 14:24:37,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485804990] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:37,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:37,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:37,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108301655] [2021-10-19 14:24:37,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:37,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:37,687 INFO L87 Difference]: Start difference. First operand 2417 states and 4630 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:39,044 INFO L93 Difference]: Finished difference Result 4523 states and 8722 transitions. [2021-10-19 14:24:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:24:39,045 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:39,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:39,052 INFO L225 Difference]: With dead ends: 4523 [2021-10-19 14:24:39,052 INFO L226 Difference]: Without dead ends: 4523 [2021-10-19 14:24:39,053 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 407.4ms TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:24:39,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2021-10-19 14:24:39,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 2415. [2021-10-19 14:24:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2415 states, 2401 states have (on average 1.9266972094960433) internal successors, (4626), 2414 states have internal predecessors, (4626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 4626 transitions. [2021-10-19 14:24:39,089 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 4626 transitions. Word has length 117 [2021-10-19 14:24:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:39,089 INFO L470 AbstractCegarLoop]: Abstraction has 2415 states and 4626 transitions. [2021-10-19 14:24:39,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 4626 transitions. [2021-10-19 14:24:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:39,090 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:39,090 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:39,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-19 14:24:39,091 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:39,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:39,091 INFO L82 PathProgramCache]: Analyzing trace with hash 346558459, now seen corresponding path program 7 times [2021-10-19 14:24:39,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:39,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317409615] [2021-10-19 14:24:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:39,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:39,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:39,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317409615] [2021-10-19 14:24:39,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317409615] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:39,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:39,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:39,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830443921] [2021-10-19 14:24:39,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:39,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:39,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:39,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:39,244 INFO L87 Difference]: Start difference. First operand 2415 states and 4626 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:40,591 INFO L93 Difference]: Finished difference Result 4539 states and 8750 transitions. [2021-10-19 14:24:40,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:24:40,592 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:40,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:40,598 INFO L225 Difference]: With dead ends: 4539 [2021-10-19 14:24:40,598 INFO L226 Difference]: Without dead ends: 4539 [2021-10-19 14:24:40,598 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 366.8ms TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2021-10-19 14:24:40,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2021-10-19 14:24:40,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 2434. [2021-10-19 14:24:40,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2420 states have (on average 1.927685950413223) internal successors, (4665), 2433 states have internal predecessors, (4665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4665 transitions. [2021-10-19 14:24:40,634 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4665 transitions. Word has length 117 [2021-10-19 14:24:40,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:40,635 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4665 transitions. [2021-10-19 14:24:40,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4665 transitions. [2021-10-19 14:24:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:40,636 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:40,636 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:40,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-19 14:24:40,637 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:40,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:40,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1712532901, now seen corresponding path program 8 times [2021-10-19 14:24:40,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:40,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707767666] [2021-10-19 14:24:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:40,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:40,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:40,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707767666] [2021-10-19 14:24:40,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707767666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:40,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:40,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:40,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614855510] [2021-10-19 14:24:40,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:40,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:40,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:40,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:40,795 INFO L87 Difference]: Start difference. First operand 2434 states and 4665 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:42,147 INFO L93 Difference]: Finished difference Result 4580 states and 8830 transitions. [2021-10-19 14:24:42,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:42,151 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:42,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:42,176 INFO L225 Difference]: With dead ends: 4580 [2021-10-19 14:24:42,176 INFO L226 Difference]: Without dead ends: 4580 [2021-10-19 14:24:42,178 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 480.4ms TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:42,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2021-10-19 14:24:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 2439. [2021-10-19 14:24:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2425 states have (on average 1.9278350515463918) internal successors, (4675), 2438 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 4675 transitions. [2021-10-19 14:24:42,212 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 4675 transitions. Word has length 117 [2021-10-19 14:24:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:42,212 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 4675 transitions. [2021-10-19 14:24:42,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 4675 transitions. [2021-10-19 14:24:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:42,213 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:42,213 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:42,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-19 14:24:42,213 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:42,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1952175239, now seen corresponding path program 9 times [2021-10-19 14:24:42,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:42,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124033282] [2021-10-19 14:24:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:42,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:42,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:42,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124033282] [2021-10-19 14:24:42,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124033282] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:42,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:42,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:42,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802999499] [2021-10-19 14:24:42,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:42,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:42,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:42,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:42,375 INFO L87 Difference]: Start difference. First operand 2439 states and 4675 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:43,837 INFO L93 Difference]: Finished difference Result 4597 states and 8868 transitions. [2021-10-19 14:24:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:24:43,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:43,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:43,850 INFO L225 Difference]: With dead ends: 4597 [2021-10-19 14:24:43,850 INFO L226 Difference]: Without dead ends: 4597 [2021-10-19 14:24:43,850 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 479.2ms TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:43,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2021-10-19 14:24:43,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 2434. [2021-10-19 14:24:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2420 states have (on average 1.927685950413223) internal successors, (4665), 2433 states have internal predecessors, (4665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4665 transitions. [2021-10-19 14:24:43,920 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4665 transitions. Word has length 117 [2021-10-19 14:24:43,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:43,920 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4665 transitions. [2021-10-19 14:24:43,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4665 transitions. [2021-10-19 14:24:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:43,922 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:43,922 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:43,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-19 14:24:43,922 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:43,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:43,923 INFO L82 PathProgramCache]: Analyzing trace with hash -455384393, now seen corresponding path program 10 times [2021-10-19 14:24:43,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:43,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735166681] [2021-10-19 14:24:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:43,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:44,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:44,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735166681] [2021-10-19 14:24:44,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735166681] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:44,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:44,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:44,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724816331] [2021-10-19 14:24:44,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:44,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:44,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:44,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:44,102 INFO L87 Difference]: Start difference. First operand 2434 states and 4665 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:45,587 INFO L93 Difference]: Finished difference Result 4469 states and 8613 transitions. [2021-10-19 14:24:45,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:45,588 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:45,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:45,594 INFO L225 Difference]: With dead ends: 4469 [2021-10-19 14:24:45,594 INFO L226 Difference]: Without dead ends: 4469 [2021-10-19 14:24:45,594 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 499.3ms TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4469 states. [2021-10-19 14:24:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4469 to 2440. [2021-10-19 14:24:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 2426 states have (on average 1.9278647980214345) internal successors, (4677), 2439 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 4677 transitions. [2021-10-19 14:24:45,633 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 4677 transitions. Word has length 117 [2021-10-19 14:24:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:45,634 INFO L470 AbstractCegarLoop]: Abstraction has 2440 states and 4677 transitions. [2021-10-19 14:24:45,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 4677 transitions. [2021-10-19 14:24:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:45,635 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:45,635 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:45,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-19 14:24:45,635 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash -695026731, now seen corresponding path program 11 times [2021-10-19 14:24:45,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:45,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894616932] [2021-10-19 14:24:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:45,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:45,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:45,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894616932] [2021-10-19 14:24:45,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894616932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:45,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:45,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:45,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714352935] [2021-10-19 14:24:45,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:45,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:45,847 INFO L87 Difference]: Start difference. First operand 2440 states and 4677 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:47,466 INFO L93 Difference]: Finished difference Result 4486 states and 8651 transitions. [2021-10-19 14:24:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:24:47,466 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:47,472 INFO L225 Difference]: With dead ends: 4486 [2021-10-19 14:24:47,472 INFO L226 Difference]: Without dead ends: 4486 [2021-10-19 14:24:47,474 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 569.0ms TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2021-10-19 14:24:47,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2434. [2021-10-19 14:24:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2420 states have (on average 1.927685950413223) internal successors, (4665), 2433 states have internal predecessors, (4665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4665 transitions. [2021-10-19 14:24:47,510 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4665 transitions. Word has length 117 [2021-10-19 14:24:47,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:47,510 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4665 transitions. [2021-10-19 14:24:47,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4665 transitions. [2021-10-19 14:24:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:47,511 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:47,512 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:47,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-19 14:24:47,512 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:47,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1169438535, now seen corresponding path program 1 times [2021-10-19 14:24:47,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:47,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569905143] [2021-10-19 14:24:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:47,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:47,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:47,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569905143] [2021-10-19 14:24:47,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569905143] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:47,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:47,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:47,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114306430] [2021-10-19 14:24:47,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:47,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:47,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:47,659 INFO L87 Difference]: Start difference. First operand 2434 states and 4665 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:48,404 INFO L93 Difference]: Finished difference Result 2656 states and 5046 transitions. [2021-10-19 14:24:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:24:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:48,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:48,407 INFO L225 Difference]: With dead ends: 2656 [2021-10-19 14:24:48,407 INFO L226 Difference]: Without dead ends: 2656 [2021-10-19 14:24:48,407 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 208.5ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:24:48,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2021-10-19 14:24:48,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2369. [2021-10-19 14:24:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 2356 states have (on average 1.9235993208828523) internal successors, (4532), 2368 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 4532 transitions. [2021-10-19 14:24:48,432 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 4532 transitions. Word has length 117 [2021-10-19 14:24:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:48,432 INFO L470 AbstractCegarLoop]: Abstraction has 2369 states and 4532 transitions. [2021-10-19 14:24:48,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 4532 transitions. [2021-10-19 14:24:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:48,433 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:48,433 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:48,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-19 14:24:48,433 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:48,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:48,434 INFO L82 PathProgramCache]: Analyzing trace with hash -399300155, now seen corresponding path program 12 times [2021-10-19 14:24:48,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:48,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824967601] [2021-10-19 14:24:48,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:48,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:48,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:48,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824967601] [2021-10-19 14:24:48,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824967601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:48,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:48,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:48,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610480103] [2021-10-19 14:24:48,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:48,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:48,561 INFO L87 Difference]: Start difference. First operand 2369 states and 4532 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:49,544 INFO L93 Difference]: Finished difference Result 3355 states and 6362 transitions. [2021-10-19 14:24:49,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:24:49,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:49,549 INFO L225 Difference]: With dead ends: 3355 [2021-10-19 14:24:49,549 INFO L226 Difference]: Without dead ends: 3320 [2021-10-19 14:24:49,550 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 295.7ms TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:49,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3320 states. [2021-10-19 14:24:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3320 to 2325. [2021-10-19 14:24:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2312 states have (on average 1.9221453287197232) internal successors, (4444), 2324 states have internal predecessors, (4444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 4444 transitions. [2021-10-19 14:24:49,583 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 4444 transitions. Word has length 117 [2021-10-19 14:24:49,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:49,584 INFO L470 AbstractCegarLoop]: Abstraction has 2325 states and 4444 transitions. [2021-10-19 14:24:49,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 4444 transitions. [2021-10-19 14:24:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:49,585 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:49,585 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:49,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-19 14:24:49,586 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:49,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1756106623, now seen corresponding path program 13 times [2021-10-19 14:24:49,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:49,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332237626] [2021-10-19 14:24:49,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:49,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:49,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:49,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332237626] [2021-10-19 14:24:49,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332237626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:49,728 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:49,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:49,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975481614] [2021-10-19 14:24:49,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:49,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:49,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:49,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:49,729 INFO L87 Difference]: Start difference. First operand 2325 states and 4444 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:50,952 INFO L93 Difference]: Finished difference Result 4530 states and 8657 transitions. [2021-10-19 14:24:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:24:50,952 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:50,959 INFO L225 Difference]: With dead ends: 4530 [2021-10-19 14:24:50,959 INFO L226 Difference]: Without dead ends: 4530 [2021-10-19 14:24:50,960 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 283.8ms TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2021-10-19 14:24:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2329. [2021-10-19 14:24:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2316 states have (on average 1.922279792746114) internal successors, (4452), 2328 states have internal predecessors, (4452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 4452 transitions. [2021-10-19 14:24:50,994 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 4452 transitions. Word has length 117 [2021-10-19 14:24:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:50,994 INFO L470 AbstractCegarLoop]: Abstraction has 2329 states and 4452 transitions. [2021-10-19 14:24:50,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4452 transitions. [2021-10-19 14:24:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:50,995 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:50,996 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:50,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-19 14:24:50,996 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:50,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:50,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1995748961, now seen corresponding path program 14 times [2021-10-19 14:24:50,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:50,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126899845] [2021-10-19 14:24:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:50,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:51,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:51,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126899845] [2021-10-19 14:24:51,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126899845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:51,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:51,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:51,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448841215] [2021-10-19 14:24:51,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:51,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:51,136 INFO L87 Difference]: Start difference. First operand 2329 states and 4452 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:52,739 INFO L93 Difference]: Finished difference Result 4617 states and 8831 transitions. [2021-10-19 14:24:52,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:52,740 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:52,745 INFO L225 Difference]: With dead ends: 4617 [2021-10-19 14:24:52,745 INFO L226 Difference]: Without dead ends: 4617 [2021-10-19 14:24:52,745 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 400.8ms TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:24:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4617 states. [2021-10-19 14:24:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4617 to 2327. [2021-10-19 14:24:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2314 states have (on average 1.9222126188418323) internal successors, (4448), 2326 states have internal predecessors, (4448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 4448 transitions. [2021-10-19 14:24:52,771 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 4448 transitions. Word has length 117 [2021-10-19 14:24:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:52,772 INFO L470 AbstractCegarLoop]: Abstraction has 2327 states and 4448 transitions. [2021-10-19 14:24:52,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 4448 transitions. [2021-10-19 14:24:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:52,773 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:52,773 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:52,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-19 14:24:52,774 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:52,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:52,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1476005885, now seen corresponding path program 15 times [2021-10-19 14:24:52,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:52,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518731639] [2021-10-19 14:24:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:52,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:52,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:52,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518731639] [2021-10-19 14:24:52,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518731639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:52,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:52,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:52,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460953001] [2021-10-19 14:24:52,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:52,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:52,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:52,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:52,912 INFO L87 Difference]: Start difference. First operand 2327 states and 4448 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:54,127 INFO L93 Difference]: Finished difference Result 4608 states and 8814 transitions. [2021-10-19 14:24:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-19 14:24:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:54,134 INFO L225 Difference]: With dead ends: 4608 [2021-10-19 14:24:54,134 INFO L226 Difference]: Without dead ends: 4608 [2021-10-19 14:24:54,135 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 355.2ms TimeCoverageRelationStatistics Valid=270, Invalid=1062, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4608 states. [2021-10-19 14:24:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4608 to 2325. [2021-10-19 14:24:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2312 states have (on average 1.9221453287197232) internal successors, (4444), 2324 states have internal predecessors, (4444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 4444 transitions. [2021-10-19 14:24:54,166 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 4444 transitions. Word has length 117 [2021-10-19 14:24:54,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:54,166 INFO L470 AbstractCegarLoop]: Abstraction has 2325 states and 4444 transitions. [2021-10-19 14:24:54,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 4444 transitions. [2021-10-19 14:24:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:54,167 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:54,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:54,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-19 14:24:54,168 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1815404191, now seen corresponding path program 16 times [2021-10-19 14:24:54,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:54,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625683762] [2021-10-19 14:24:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:54,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:54,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:54,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625683762] [2021-10-19 14:24:54,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625683762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:54,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:54,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:54,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289273222] [2021-10-19 14:24:54,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:54,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:54,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:54,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:54,322 INFO L87 Difference]: Start difference. First operand 2325 states and 4444 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:55,505 INFO L93 Difference]: Finished difference Result 4611 states and 8814 transitions. [2021-10-19 14:24:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:55,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:55,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:55,512 INFO L225 Difference]: With dead ends: 4611 [2021-10-19 14:24:55,512 INFO L226 Difference]: Without dead ends: 4611 [2021-10-19 14:24:55,512 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 402.6ms TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:55,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4611 states. [2021-10-19 14:24:55,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4611 to 2332. [2021-10-19 14:24:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2332 states, 2319 states have (on average 1.9223803363518759) internal successors, (4458), 2331 states have internal predecessors, (4458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2332 states and 4458 transitions. [2021-10-19 14:24:55,541 INFO L78 Accepts]: Start accepts. Automaton has 2332 states and 4458 transitions. Word has length 117 [2021-10-19 14:24:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:55,541 INFO L470 AbstractCegarLoop]: Abstraction has 2332 states and 4458 transitions. [2021-10-19 14:24:55,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 4458 transitions. [2021-10-19 14:24:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:55,542 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:55,542 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:55,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-19 14:24:55,542 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:55,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2055046529, now seen corresponding path program 17 times [2021-10-19 14:24:55,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:55,543 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242609074] [2021-10-19 14:24:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:55,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:55,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:55,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242609074] [2021-10-19 14:24:55,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242609074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:55,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:55,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:55,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734516880] [2021-10-19 14:24:55,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:55,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:55,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:55,683 INFO L87 Difference]: Start difference. First operand 2332 states and 4458 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:57,051 INFO L93 Difference]: Finished difference Result 4698 states and 8988 transitions. [2021-10-19 14:24:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:24:57,051 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:57,056 INFO L225 Difference]: With dead ends: 4698 [2021-10-19 14:24:57,056 INFO L226 Difference]: Without dead ends: 4698 [2021-10-19 14:24:57,057 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 417.2ms TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:24:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4698 states. [2021-10-19 14:24:57,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 2330. [2021-10-19 14:24:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2317 states have (on average 1.9223133362106173) internal successors, (4454), 2329 states have internal predecessors, (4454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 4454 transitions. [2021-10-19 14:24:57,086 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 4454 transitions. Word has length 117 [2021-10-19 14:24:57,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:57,086 INFO L470 AbstractCegarLoop]: Abstraction has 2330 states and 4454 transitions. [2021-10-19 14:24:57,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 4454 transitions. [2021-10-19 14:24:57,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:57,087 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:57,087 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:57,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-19 14:24:57,087 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:57,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:57,087 INFO L82 PathProgramCache]: Analyzing trace with hash 80889057, now seen corresponding path program 18 times [2021-10-19 14:24:57,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:57,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106986779] [2021-10-19 14:24:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:57,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:57,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:57,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106986779] [2021-10-19 14:24:57,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106986779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:57,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:57,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:57,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520935354] [2021-10-19 14:24:57,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:57,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:57,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:57,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:57,228 INFO L87 Difference]: Start difference. First operand 2330 states and 4454 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:24:58,473 INFO L93 Difference]: Finished difference Result 4777 states and 9142 transitions. [2021-10-19 14:24:58,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:24:58,473 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:24:58,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:24:58,479 INFO L225 Difference]: With dead ends: 4777 [2021-10-19 14:24:58,479 INFO L226 Difference]: Without dead ends: 4777 [2021-10-19 14:24:58,480 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 371.2ms TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2021-10-19 14:24:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4777 states. [2021-10-19 14:24:58,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4777 to 2328. [2021-10-19 14:24:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2328 states, 2315 states have (on average 1.9222462203023758) internal successors, (4450), 2327 states have internal predecessors, (4450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 4450 transitions. [2021-10-19 14:24:58,511 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 4450 transitions. Word has length 117 [2021-10-19 14:24:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:24:58,511 INFO L470 AbstractCegarLoop]: Abstraction has 2328 states and 4450 transitions. [2021-10-19 14:24:58,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:24:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 4450 transitions. [2021-10-19 14:24:58,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:24:58,512 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:24:58,512 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:24:58,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-19 14:24:58,513 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:24:58,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:24:58,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1978202303, now seen corresponding path program 19 times [2021-10-19 14:24:58,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:24:58,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096271965] [2021-10-19 14:24:58,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:24:58,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:24:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:24:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:24:58,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:24:58,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096271965] [2021-10-19 14:24:58,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096271965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:24:58,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:24:58,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:24:58,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493784221] [2021-10-19 14:24:58,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:24:58,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:24:58,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:24:58,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:24:58,670 INFO L87 Difference]: Start difference. First operand 2328 states and 4450 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:00,033 INFO L93 Difference]: Finished difference Result 4646 states and 8883 transitions. [2021-10-19 14:25:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-19 14:25:00,033 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:00,038 INFO L225 Difference]: With dead ends: 4646 [2021-10-19 14:25:00,038 INFO L226 Difference]: Without dead ends: 4646 [2021-10-19 14:25:00,039 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 412.4ms TimeCoverageRelationStatistics Valid=310, Invalid=1096, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:25:00,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2021-10-19 14:25:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 2333. [2021-10-19 14:25:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2333 states, 2320 states have (on average 1.9224137931034482) internal successors, (4460), 2332 states have internal predecessors, (4460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 4460 transitions. [2021-10-19 14:25:00,065 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 4460 transitions. Word has length 117 [2021-10-19 14:25:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:00,065 INFO L470 AbstractCegarLoop]: Abstraction has 2333 states and 4460 transitions. [2021-10-19 14:25:00,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 4460 transitions. [2021-10-19 14:25:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:00,066 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:00,066 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:00,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-19 14:25:00,066 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:00,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:00,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2077122655, now seen corresponding path program 20 times [2021-10-19 14:25:00,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:00,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285575995] [2021-10-19 14:25:00,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:00,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:00,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:00,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285575995] [2021-10-19 14:25:00,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285575995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:00,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:00,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:00,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689344194] [2021-10-19 14:25:00,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:00,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:00,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:00,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:00,226 INFO L87 Difference]: Start difference. First operand 2333 states and 4460 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:01,785 INFO L93 Difference]: Finished difference Result 4653 states and 8901 transitions. [2021-10-19 14:25:01,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-19 14:25:01,785 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:01,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:01,790 INFO L225 Difference]: With dead ends: 4653 [2021-10-19 14:25:01,790 INFO L226 Difference]: Without dead ends: 4653 [2021-10-19 14:25:01,791 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 458.2ms TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2021-10-19 14:25:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4653 states. [2021-10-19 14:25:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4653 to 2325. [2021-10-19 14:25:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2312 states have (on average 1.9221453287197232) internal successors, (4444), 2324 states have internal predecessors, (4444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 4444 transitions. [2021-10-19 14:25:01,817 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 4444 transitions. Word has length 117 [2021-10-19 14:25:01,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:01,817 INFO L470 AbstractCegarLoop]: Abstraction has 2325 states and 4444 transitions. [2021-10-19 14:25:01,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 4444 transitions. [2021-10-19 14:25:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:01,818 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:01,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:01,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-19 14:25:01,818 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:01,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:01,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1023189977, now seen corresponding path program 21 times [2021-10-19 14:25:01,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:01,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652210742] [2021-10-19 14:25:01,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:01,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:01,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:01,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652210742] [2021-10-19 14:25:01,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652210742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:01,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:01,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:01,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498752456] [2021-10-19 14:25:01,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:01,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:01,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:01,956 INFO L87 Difference]: Start difference. First operand 2325 states and 4444 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:02,910 INFO L93 Difference]: Finished difference Result 4119 states and 7923 transitions. [2021-10-19 14:25:02,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:25:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:02,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:02,915 INFO L225 Difference]: With dead ends: 4119 [2021-10-19 14:25:02,915 INFO L226 Difference]: Without dead ends: 4119 [2021-10-19 14:25:02,916 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 346.9ms TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:25:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4119 states. [2021-10-19 14:25:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4119 to 2327. [2021-10-19 14:25:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2314 states have (on average 1.9222126188418323) internal successors, (4448), 2326 states have internal predecessors, (4448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 4448 transitions. [2021-10-19 14:25:02,952 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 4448 transitions. Word has length 117 [2021-10-19 14:25:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:02,952 INFO L470 AbstractCegarLoop]: Abstraction has 2327 states and 4448 transitions. [2021-10-19 14:25:02,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 4448 transitions. [2021-10-19 14:25:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:02,953 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:02,953 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:02,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-19 14:25:02,954 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:02,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:02,954 INFO L82 PathProgramCache]: Analyzing trace with hash 783547639, now seen corresponding path program 22 times [2021-10-19 14:25:02,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:02,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598203556] [2021-10-19 14:25:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:02,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:03,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:03,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598203556] [2021-10-19 14:25:03,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598203556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:03,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:03,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:03,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520843982] [2021-10-19 14:25:03,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:03,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:03,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:03,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:03,111 INFO L87 Difference]: Start difference. First operand 2327 states and 4448 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:04,276 INFO L93 Difference]: Finished difference Result 4206 states and 8097 transitions. [2021-10-19 14:25:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-19 14:25:04,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:04,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:04,281 INFO L225 Difference]: With dead ends: 4206 [2021-10-19 14:25:04,281 INFO L226 Difference]: Without dead ends: 4206 [2021-10-19 14:25:04,281 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 406.2ms TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2021-10-19 14:25:04,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2021-10-19 14:25:04,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 2325. [2021-10-19 14:25:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2312 states have (on average 1.9221453287197232) internal successors, (4444), 2324 states have internal predecessors, (4444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 4444 transitions. [2021-10-19 14:25:04,307 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 4444 transitions. Word has length 117 [2021-10-19 14:25:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:04,307 INFO L470 AbstractCegarLoop]: Abstraction has 2325 states and 4444 transitions. [2021-10-19 14:25:04,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 4444 transitions. [2021-10-19 14:25:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:04,308 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:04,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:04,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-19 14:25:04,309 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:04,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:04,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1375484071, now seen corresponding path program 23 times [2021-10-19 14:25:04,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:04,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370792543] [2021-10-19 14:25:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:04,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:04,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:04,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370792543] [2021-10-19 14:25:04,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370792543] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:04,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:04,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:04,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016212322] [2021-10-19 14:25:04,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:04,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:04,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:04,446 INFO L87 Difference]: Start difference. First operand 2325 states and 4444 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:05,621 INFO L93 Difference]: Finished difference Result 4168 states and 8025 transitions. [2021-10-19 14:25:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-19 14:25:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:05,628 INFO L225 Difference]: With dead ends: 4168 [2021-10-19 14:25:05,628 INFO L226 Difference]: Without dead ends: 4168 [2021-10-19 14:25:05,628 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 333.5ms TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2021-10-19 14:25:05,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2021-10-19 14:25:05,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 2299. [2021-10-19 14:25:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 2286 states have (on average 1.921259842519685) internal successors, (4392), 2298 states have internal predecessors, (4392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 4392 transitions. [2021-10-19 14:25:05,653 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 4392 transitions. Word has length 117 [2021-10-19 14:25:05,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:05,653 INFO L470 AbstractCegarLoop]: Abstraction has 2299 states and 4392 transitions. [2021-10-19 14:25:05,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 4392 transitions. [2021-10-19 14:25:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:05,654 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:05,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:05,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-19 14:25:05,654 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:05,655 INFO L82 PathProgramCache]: Analyzing trace with hash 860391865, now seen corresponding path program 24 times [2021-10-19 14:25:05,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:05,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448937269] [2021-10-19 14:25:05,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:05,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:05,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:05,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:05,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448937269] [2021-10-19 14:25:05,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448937269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:05,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:05,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:05,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827918105] [2021-10-19 14:25:05,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:05,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:05,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:05,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:05,796 INFO L87 Difference]: Start difference. First operand 2299 states and 4392 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:06,858 INFO L93 Difference]: Finished difference Result 4228 states and 8135 transitions. [2021-10-19 14:25:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:25:06,859 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:06,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:06,864 INFO L225 Difference]: With dead ends: 4228 [2021-10-19 14:25:06,864 INFO L226 Difference]: Without dead ends: 4228 [2021-10-19 14:25:06,865 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 415.4ms TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:25:06,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4228 states. [2021-10-19 14:25:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4228 to 2304. [2021-10-19 14:25:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 2291 states have (on average 1.9214316892186818) internal successors, (4402), 2303 states have internal predecessors, (4402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 4402 transitions. [2021-10-19 14:25:06,889 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 4402 transitions. Word has length 117 [2021-10-19 14:25:06,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:06,889 INFO L470 AbstractCegarLoop]: Abstraction has 2304 states and 4402 transitions. [2021-10-19 14:25:06,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 4402 transitions. [2021-10-19 14:25:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:06,890 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:06,890 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:06,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-19 14:25:06,890 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:06,890 INFO L82 PathProgramCache]: Analyzing trace with hash 620749527, now seen corresponding path program 25 times [2021-10-19 14:25:06,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:06,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396245866] [2021-10-19 14:25:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:06,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:07,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:07,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396245866] [2021-10-19 14:25:07,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396245866] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:07,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:07,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:07,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750851233] [2021-10-19 14:25:07,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:07,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:07,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:07,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:07,044 INFO L87 Difference]: Start difference. First operand 2304 states and 4402 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:08,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:08,219 INFO L93 Difference]: Finished difference Result 4235 states and 8153 transitions. [2021-10-19 14:25:08,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:25:08,220 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:08,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:08,225 INFO L225 Difference]: With dead ends: 4235 [2021-10-19 14:25:08,225 INFO L226 Difference]: Without dead ends: 4235 [2021-10-19 14:25:08,225 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 430.3ms TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:25:08,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2021-10-19 14:25:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 2296. [2021-10-19 14:25:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2283 states have (on average 1.921156373193167) internal successors, (4386), 2295 states have internal predecessors, (4386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 4386 transitions. [2021-10-19 14:25:08,251 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 4386 transitions. Word has length 117 [2021-10-19 14:25:08,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:08,251 INFO L470 AbstractCegarLoop]: Abstraction has 2296 states and 4386 transitions. [2021-10-19 14:25:08,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 4386 transitions. [2021-10-19 14:25:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:08,252 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:08,252 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:08,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-19 14:25:08,252 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:08,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2117540373, now seen corresponding path program 26 times [2021-10-19 14:25:08,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:08,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968048979] [2021-10-19 14:25:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:08,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:08,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:08,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968048979] [2021-10-19 14:25:08,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968048979] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:08,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:08,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:08,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027225822] [2021-10-19 14:25:08,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:08,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:08,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:08,397 INFO L87 Difference]: Start difference. First operand 2296 states and 4386 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:09,461 INFO L93 Difference]: Finished difference Result 4088 states and 7861 transitions. [2021-10-19 14:25:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-19 14:25:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:09,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:09,465 INFO L225 Difference]: With dead ends: 4088 [2021-10-19 14:25:09,465 INFO L226 Difference]: Without dead ends: 4088 [2021-10-19 14:25:09,466 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 419.8ms TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2021-10-19 14:25:09,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2021-10-19 14:25:09,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 2284. [2021-10-19 14:25:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 2271 states have (on average 1.9207397622192866) internal successors, (4362), 2283 states have internal predecessors, (4362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 4362 transitions. [2021-10-19 14:25:09,488 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 4362 transitions. Word has length 117 [2021-10-19 14:25:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:09,489 INFO L470 AbstractCegarLoop]: Abstraction has 2284 states and 4362 transitions. [2021-10-19 14:25:09,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 4362 transitions. [2021-10-19 14:25:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:09,489 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:09,489 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:09,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-19 14:25:09,490 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:09,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:09,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1877898035, now seen corresponding path program 27 times [2021-10-19 14:25:09,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:09,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702208626] [2021-10-19 14:25:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:09,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:09,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:09,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:09,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702208626] [2021-10-19 14:25:09,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702208626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:09,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:09,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:09,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009661490] [2021-10-19 14:25:09,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:09,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:09,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:09,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:09,635 INFO L87 Difference]: Start difference. First operand 2284 states and 4362 transitions. Second operand has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:10,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:10,847 INFO L93 Difference]: Finished difference Result 3998 states and 7693 transitions. [2021-10-19 14:25:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:25:10,848 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:10,852 INFO L225 Difference]: With dead ends: 3998 [2021-10-19 14:25:10,852 INFO L226 Difference]: Without dead ends: 3998 [2021-10-19 14:25:10,852 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 450.7ms TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2021-10-19 14:25:10,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2021-10-19 14:25:10,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 2168. [2021-10-19 14:25:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 2156 states have (on average 1.9192949907235621) internal successors, (4138), 2167 states have internal predecessors, (4138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 4138 transitions. [2021-10-19 14:25:10,878 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 4138 transitions. Word has length 117 [2021-10-19 14:25:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:10,878 INFO L470 AbstractCegarLoop]: Abstraction has 2168 states and 4138 transitions. [2021-10-19 14:25:10,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.75) internal successors, (117), 13 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4138 transitions. [2021-10-19 14:25:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-19 14:25:10,879 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:10,879 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:10,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-19 14:25:10,879 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:10,881 INFO L82 PathProgramCache]: Analyzing trace with hash 745364126, now seen corresponding path program 1 times [2021-10-19 14:25:10,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:10,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587454896] [2021-10-19 14:25:10,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:10,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:10,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:10,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587454896] [2021-10-19 14:25:10,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587454896] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:10,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:10,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:25:10,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150554499] [2021-10-19 14:25:10,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:25:10,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:10,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:25:10,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:25:10,942 INFO L87 Difference]: Start difference. First operand 2168 states and 4138 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:11,114 INFO L93 Difference]: Finished difference Result 2272 states and 4341 transitions. [2021-10-19 14:25:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:25:11,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-10-19 14:25:11,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:11,116 INFO L225 Difference]: With dead ends: 2272 [2021-10-19 14:25:11,116 INFO L226 Difference]: Without dead ends: 2272 [2021-10-19 14:25:11,117 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:25:11,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2021-10-19 14:25:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2247. [2021-10-19 14:25:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2247 states, 2235 states have (on average 1.9203579418344519) internal successors, (4292), 2246 states have internal predecessors, (4292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 2247 states and 4292 transitions. [2021-10-19 14:25:11,134 INFO L78 Accepts]: Start accepts. Automaton has 2247 states and 4292 transitions. Word has length 117 [2021-10-19 14:25:11,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:11,134 INFO L470 AbstractCegarLoop]: Abstraction has 2247 states and 4292 transitions. [2021-10-19 14:25:11,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 4292 transitions. [2021-10-19 14:25:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-19 14:25:11,135 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:11,135 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:11,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-19 14:25:11,135 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:11,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:11,136 INFO L82 PathProgramCache]: Analyzing trace with hash 899667668, now seen corresponding path program 1 times [2021-10-19 14:25:11,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:11,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935409027] [2021-10-19 14:25:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:11,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:11,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:11,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935409027] [2021-10-19 14:25:11,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935409027] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:11,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:11,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-19 14:25:11,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884536910] [2021-10-19 14:25:11,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-19 14:25:11,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:11,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-19 14:25:11,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-19 14:25:11,267 INFO L87 Difference]: Start difference. First operand 2247 states and 4292 transitions. Second operand has 13 states, 12 states have (on average 10.416666666666666) internal successors, (125), 13 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:11,874 INFO L93 Difference]: Finished difference Result 2470 states and 4679 transitions. [2021-10-19 14:25:11,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-19 14:25:11,874 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.416666666666666) internal successors, (125), 13 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2021-10-19 14:25:11,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:11,876 INFO L225 Difference]: With dead ends: 2470 [2021-10-19 14:25:11,876 INFO L226 Difference]: Without dead ends: 2470 [2021-10-19 14:25:11,877 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 212.5ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-10-19 14:25:11,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2021-10-19 14:25:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2202. [2021-10-19 14:25:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2202 states, 2190 states have (on average 1.9187214611872145) internal successors, (4202), 2201 states have internal predecessors, (4202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 4202 transitions. [2021-10-19 14:25:11,893 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 4202 transitions. Word has length 125 [2021-10-19 14:25:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:11,894 INFO L470 AbstractCegarLoop]: Abstraction has 2202 states and 4202 transitions. [2021-10-19 14:25:11,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.416666666666666) internal successors, (125), 13 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 4202 transitions. [2021-10-19 14:25:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:11,894 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:11,895 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:11,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-19 14:25:11,895 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:11,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:11,895 INFO L82 PathProgramCache]: Analyzing trace with hash -170295420, now seen corresponding path program 1 times [2021-10-19 14:25:11,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:11,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951316794] [2021-10-19 14:25:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:11,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:12,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:12,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951316794] [2021-10-19 14:25:12,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951316794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:12,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:12,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:12,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73058132] [2021-10-19 14:25:12,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:12,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:12,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:12,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:12,207 INFO L87 Difference]: Start difference. First operand 2202 states and 4202 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:13,971 INFO L93 Difference]: Finished difference Result 4459 states and 8580 transitions. [2021-10-19 14:25:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:25:13,971 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:13,976 INFO L225 Difference]: With dead ends: 4459 [2021-10-19 14:25:13,977 INFO L226 Difference]: Without dead ends: 4459 [2021-10-19 14:25:13,977 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 556.2ms TimeCoverageRelationStatistics Valid=466, Invalid=1984, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:25:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4459 states. [2021-10-19 14:25:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4459 to 2224. [2021-10-19 14:25:14,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2224 states, 2212 states have (on average 1.9195298372513563) internal successors, (4246), 2223 states have internal predecessors, (4246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 2224 states and 4246 transitions. [2021-10-19 14:25:14,003 INFO L78 Accepts]: Start accepts. Automaton has 2224 states and 4246 transitions. Word has length 126 [2021-10-19 14:25:14,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:14,003 INFO L470 AbstractCegarLoop]: Abstraction has 2224 states and 4246 transitions. [2021-10-19 14:25:14,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 4246 transitions. [2021-10-19 14:25:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:14,004 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:14,004 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:14,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-19 14:25:14,005 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:14,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1646075156, now seen corresponding path program 2 times [2021-10-19 14:25:14,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:14,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609727987] [2021-10-19 14:25:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:14,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:14,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:14,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:14,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609727987] [2021-10-19 14:25:14,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609727987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:14,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:14,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:14,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581968214] [2021-10-19 14:25:14,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:14,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:14,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:14,289 INFO L87 Difference]: Start difference. First operand 2224 states and 4246 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:16,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:16,658 INFO L93 Difference]: Finished difference Result 4629 states and 8910 transitions. [2021-10-19 14:25:16,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:25:16,658 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:16,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:16,663 INFO L225 Difference]: With dead ends: 4629 [2021-10-19 14:25:16,663 INFO L226 Difference]: Without dead ends: 4629 [2021-10-19 14:25:16,664 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 889.4ms TimeCoverageRelationStatistics Valid=618, Invalid=2688, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:25:16,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4629 states. [2021-10-19 14:25:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4629 to 2253. [2021-10-19 14:25:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.9210174029451137) internal successors, (4305), 2252 states have internal predecessors, (4305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 4305 transitions. [2021-10-19 14:25:16,692 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 4305 transitions. Word has length 126 [2021-10-19 14:25:16,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:16,692 INFO L470 AbstractCegarLoop]: Abstraction has 2253 states and 4305 transitions. [2021-10-19 14:25:16,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 4305 transitions. [2021-10-19 14:25:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:16,693 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:16,693 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:16,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-19 14:25:16,693 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:16,693 INFO L82 PathProgramCache]: Analyzing trace with hash 576833770, now seen corresponding path program 3 times [2021-10-19 14:25:16,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:16,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091651066] [2021-10-19 14:25:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:16,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:16,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:16,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091651066] [2021-10-19 14:25:16,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091651066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:16,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:16,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:16,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785145940] [2021-10-19 14:25:16,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:16,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:16,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:16,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:16,992 INFO L87 Difference]: Start difference. First operand 2253 states and 4305 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:19,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:19,410 INFO L93 Difference]: Finished difference Result 4767 states and 9180 transitions. [2021-10-19 14:25:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:25:19,410 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:19,414 INFO L225 Difference]: With dead ends: 4767 [2021-10-19 14:25:19,414 INFO L226 Difference]: Without dead ends: 4767 [2021-10-19 14:25:19,415 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1064.2ms TimeCoverageRelationStatistics Valid=685, Invalid=2975, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:25:19,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4767 states. [2021-10-19 14:25:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4767 to 2257. [2021-10-19 14:25:19,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 2245 states have (on average 1.9211581291759465) internal successors, (4313), 2256 states have internal predecessors, (4313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 4313 transitions. [2021-10-19 14:25:19,437 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 4313 transitions. Word has length 126 [2021-10-19 14:25:19,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:19,437 INFO L470 AbstractCegarLoop]: Abstraction has 2257 states and 4313 transitions. [2021-10-19 14:25:19,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 4313 transitions. [2021-10-19 14:25:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:19,438 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:19,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:19,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-19 14:25:19,438 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:19,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:19,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1695648058, now seen corresponding path program 4 times [2021-10-19 14:25:19,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:19,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268138024] [2021-10-19 14:25:19,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:19,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:19,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:19,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268138024] [2021-10-19 14:25:19,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268138024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:19,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:19,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:19,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083696604] [2021-10-19 14:25:19,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:19,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:19,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:19,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:19,700 INFO L87 Difference]: Start difference. First operand 2257 states and 4313 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:22,068 INFO L93 Difference]: Finished difference Result 4741 states and 9130 transitions. [2021-10-19 14:25:22,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:25:22,068 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:22,073 INFO L225 Difference]: With dead ends: 4741 [2021-10-19 14:25:22,073 INFO L226 Difference]: Without dead ends: 4741 [2021-10-19 14:25:22,074 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 973.7ms TimeCoverageRelationStatistics Valid=647, Invalid=2893, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:25:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2021-10-19 14:25:22,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 2259. [2021-10-19 14:25:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 2247 states have (on average 1.9212283044058744) internal successors, (4317), 2258 states have internal predecessors, (4317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 4317 transitions. [2021-10-19 14:25:22,097 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 4317 transitions. Word has length 126 [2021-10-19 14:25:22,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:22,097 INFO L470 AbstractCegarLoop]: Abstraction has 2259 states and 4317 transitions. [2021-10-19 14:25:22,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 4317 transitions. [2021-10-19 14:25:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:22,098 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:22,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:22,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-19 14:25:22,099 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:22,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:22,099 INFO L82 PathProgramCache]: Analyzing trace with hash 755755876, now seen corresponding path program 5 times [2021-10-19 14:25:22,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:22,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282131345] [2021-10-19 14:25:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:22,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:22,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:22,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282131345] [2021-10-19 14:25:22,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282131345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:22,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:22,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:22,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913544943] [2021-10-19 14:25:22,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:22,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:22,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:22,352 INFO L87 Difference]: Start difference. First operand 2259 states and 4317 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:24,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:24,600 INFO L93 Difference]: Finished difference Result 4847 states and 9346 transitions. [2021-10-19 14:25:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:25:24,600 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:24,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:24,606 INFO L225 Difference]: With dead ends: 4847 [2021-10-19 14:25:24,606 INFO L226 Difference]: Without dead ends: 4847 [2021-10-19 14:25:24,607 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 859.1ms TimeCoverageRelationStatistics Valid=596, Invalid=2710, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:25:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2021-10-19 14:25:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 2282. [2021-10-19 14:25:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 2270 states have (on average 1.922466960352423) internal successors, (4364), 2281 states have internal predecessors, (4364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 4364 transitions. [2021-10-19 14:25:24,634 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 4364 transitions. Word has length 126 [2021-10-19 14:25:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:24,634 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 4364 transitions. [2021-10-19 14:25:24,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 4364 transitions. [2021-10-19 14:25:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:24,635 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:24,635 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:24,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-19 14:25:24,635 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:24,636 INFO L82 PathProgramCache]: Analyzing trace with hash -618687862, now seen corresponding path program 6 times [2021-10-19 14:25:24,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:24,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580908041] [2021-10-19 14:25:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:24,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:24,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:24,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580908041] [2021-10-19 14:25:24,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580908041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:24,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:24,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:24,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917339402] [2021-10-19 14:25:24,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:24,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:24,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:24,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:24,920 INFO L87 Difference]: Start difference. First operand 2282 states and 4364 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:27,256 INFO L93 Difference]: Finished difference Result 4747 states and 9145 transitions. [2021-10-19 14:25:27,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:25:27,257 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:27,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:27,262 INFO L225 Difference]: With dead ends: 4747 [2021-10-19 14:25:27,262 INFO L226 Difference]: Without dead ends: 4747 [2021-10-19 14:25:27,263 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 948.1ms TimeCoverageRelationStatistics Valid=576, Invalid=2616, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:25:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4747 states. [2021-10-19 14:25:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4747 to 2282. [2021-10-19 14:25:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 2270 states have (on average 1.922466960352423) internal successors, (4364), 2281 states have internal predecessors, (4364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 4364 transitions. [2021-10-19 14:25:27,297 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 4364 transitions. Word has length 126 [2021-10-19 14:25:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:27,297 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 4364 transitions. [2021-10-19 14:25:27,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 4364 transitions. [2021-10-19 14:25:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:27,298 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:27,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:27,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-19 14:25:27,299 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:27,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:27,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1113879316, now seen corresponding path program 7 times [2021-10-19 14:25:27,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:27,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627274794] [2021-10-19 14:25:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:27,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:27,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:27,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627274794] [2021-10-19 14:25:27,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627274794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:27,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:27,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:27,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609337927] [2021-10-19 14:25:27,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:27,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:27,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:27,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:27,555 INFO L87 Difference]: Start difference. First operand 2282 states and 4364 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:29,412 INFO L93 Difference]: Finished difference Result 4991 states and 9634 transitions. [2021-10-19 14:25:29,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:25:29,413 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:29,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:29,417 INFO L225 Difference]: With dead ends: 4991 [2021-10-19 14:25:29,417 INFO L226 Difference]: Without dead ends: 4991 [2021-10-19 14:25:29,417 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 819.2ms TimeCoverageRelationStatistics Valid=576, Invalid=2730, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:25:29,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4991 states. [2021-10-19 14:25:29,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 2311. [2021-10-19 14:25:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2299 states have (on average 1.9238799478033928) internal successors, (4423), 2310 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4423 transitions. [2021-10-19 14:25:29,441 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4423 transitions. Word has length 126 [2021-10-19 14:25:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:29,441 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4423 transitions. [2021-10-19 14:25:29,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4423 transitions. [2021-10-19 14:25:29,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:29,442 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:29,442 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:29,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-19 14:25:29,442 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:29,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:29,442 INFO L82 PathProgramCache]: Analyzing trace with hash 383188662, now seen corresponding path program 8 times [2021-10-19 14:25:29,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:29,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668080922] [2021-10-19 14:25:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:29,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:29,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:29,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668080922] [2021-10-19 14:25:29,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668080922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:29,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:29,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:29,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089693909] [2021-10-19 14:25:29,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:29,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:29,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:29,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:29,682 INFO L87 Difference]: Start difference. First operand 2311 states and 4423 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:31,742 INFO L93 Difference]: Finished difference Result 4859 states and 9366 transitions. [2021-10-19 14:25:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:25:31,742 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:31,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:31,748 INFO L225 Difference]: With dead ends: 4859 [2021-10-19 14:25:31,748 INFO L226 Difference]: Without dead ends: 4859 [2021-10-19 14:25:31,748 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 893.0ms TimeCoverageRelationStatistics Valid=631, Invalid=2909, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:25:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4859 states. [2021-10-19 14:25:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 2313. [2021-10-19 14:25:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 2301 states have (on average 1.9239461103867883) internal successors, (4427), 2312 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 4427 transitions. [2021-10-19 14:25:31,775 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 4427 transitions. Word has length 126 [2021-10-19 14:25:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:31,775 INFO L470 AbstractCegarLoop]: Abstraction has 2313 states and 4427 transitions. [2021-10-19 14:25:31,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 4427 transitions. [2021-10-19 14:25:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:31,776 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:31,777 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:31,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-19 14:25:31,777 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:31,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:31,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1530198932, now seen corresponding path program 9 times [2021-10-19 14:25:31,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:31,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724856973] [2021-10-19 14:25:31,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:31,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:32,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:32,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724856973] [2021-10-19 14:25:32,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724856973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:32,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:32,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:32,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297357862] [2021-10-19 14:25:32,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:32,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:32,003 INFO L87 Difference]: Start difference. First operand 2313 states and 4427 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:34,115 INFO L93 Difference]: Finished difference Result 4969 states and 9586 transitions. [2021-10-19 14:25:34,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:25:34,115 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:34,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:34,121 INFO L225 Difference]: With dead ends: 4969 [2021-10-19 14:25:34,121 INFO L226 Difference]: Without dead ends: 4969 [2021-10-19 14:25:34,121 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 923.7ms TimeCoverageRelationStatistics Valid=624, Invalid=2916, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:25:34,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states. [2021-10-19 14:25:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 2311. [2021-10-19 14:25:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2299 states have (on average 1.9238799478033928) internal successors, (4423), 2310 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4423 transitions. [2021-10-19 14:25:34,146 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4423 transitions. Word has length 126 [2021-10-19 14:25:34,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:34,146 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4423 transitions. [2021-10-19 14:25:34,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4423 transitions. [2021-10-19 14:25:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:34,147 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:34,147 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:34,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-19 14:25:34,147 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:34,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1792588086, now seen corresponding path program 10 times [2021-10-19 14:25:34,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:34,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224377595] [2021-10-19 14:25:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:34,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:34,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:34,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224377595] [2021-10-19 14:25:34,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224377595] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:34,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:34,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:34,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432756525] [2021-10-19 14:25:34,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:34,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:34,394 INFO L87 Difference]: Start difference. First operand 2311 states and 4423 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:36,516 INFO L93 Difference]: Finished difference Result 4894 states and 9434 transitions. [2021-10-19 14:25:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:25:36,517 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:36,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:36,522 INFO L225 Difference]: With dead ends: 4894 [2021-10-19 14:25:36,522 INFO L226 Difference]: Without dead ends: 4894 [2021-10-19 14:25:36,522 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 941 ImplicationChecksByTransitivity, 1007.0ms TimeCoverageRelationStatistics Valid=703, Invalid=3079, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:25:36,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2021-10-19 14:25:36,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 2314. [2021-10-19 14:25:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2302 states have (on average 1.923979148566464) internal successors, (4429), 2313 states have internal predecessors, (4429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 4429 transitions. [2021-10-19 14:25:36,548 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 4429 transitions. Word has length 126 [2021-10-19 14:25:36,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:36,548 INFO L470 AbstractCegarLoop]: Abstraction has 2314 states and 4429 transitions. [2021-10-19 14:25:36,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 4429 transitions. [2021-10-19 14:25:36,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:36,549 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:36,549 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:36,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-19 14:25:36,549 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:36,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1948768976, now seen corresponding path program 11 times [2021-10-19 14:25:36,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:36,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736124383] [2021-10-19 14:25:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:36,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:36,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:36,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736124383] [2021-10-19 14:25:36,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736124383] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:36,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:36,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:36,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358284497] [2021-10-19 14:25:36,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:36,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:36,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:36,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:36,811 INFO L87 Difference]: Start difference. First operand 2314 states and 4429 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:39,031 INFO L93 Difference]: Finished difference Result 4934 states and 9510 transitions. [2021-10-19 14:25:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:25:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:39,037 INFO L225 Difference]: With dead ends: 4934 [2021-10-19 14:25:39,037 INFO L226 Difference]: Without dead ends: 4934 [2021-10-19 14:25:39,038 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1054.8ms TimeCoverageRelationStatistics Valid=713, Invalid=3193, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:25:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2021-10-19 14:25:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 2316. [2021-10-19 14:25:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 2304 states have (on average 1.9240451388888888) internal successors, (4433), 2315 states have internal predecessors, (4433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:39,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 4433 transitions. [2021-10-19 14:25:39,066 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 4433 transitions. Word has length 126 [2021-10-19 14:25:39,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:39,066 INFO L470 AbstractCegarLoop]: Abstraction has 2316 states and 4433 transitions. [2021-10-19 14:25:39,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 4433 transitions. [2021-10-19 14:25:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:39,067 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:39,067 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:39,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-19 14:25:39,068 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:39,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:39,073 INFO L82 PathProgramCache]: Analyzing trace with hash 502634958, now seen corresponding path program 12 times [2021-10-19 14:25:39,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:39,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826771041] [2021-10-19 14:25:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:39,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:39,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:39,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826771041] [2021-10-19 14:25:39,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826771041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:39,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:39,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:39,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638393139] [2021-10-19 14:25:39,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:39,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:39,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:39,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:39,319 INFO L87 Difference]: Start difference. First operand 2316 states and 4433 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:41,529 INFO L93 Difference]: Finished difference Result 5000 states and 9646 transitions. [2021-10-19 14:25:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:25:41,529 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:41,536 INFO L225 Difference]: With dead ends: 5000 [2021-10-19 14:25:41,536 INFO L226 Difference]: Without dead ends: 5000 [2021-10-19 14:25:41,536 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 944.3ms TimeCoverageRelationStatistics Valid=659, Invalid=3001, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:25:41,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5000 states. [2021-10-19 14:25:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5000 to 2311. [2021-10-19 14:25:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2299 states have (on average 1.9238799478033928) internal successors, (4423), 2310 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4423 transitions. [2021-10-19 14:25:41,560 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4423 transitions. Word has length 126 [2021-10-19 14:25:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:41,560 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4423 transitions. [2021-10-19 14:25:41,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4423 transitions. [2021-10-19 14:25:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:41,561 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:41,562 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:41,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-19 14:25:41,562 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:41,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:41,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1988629556, now seen corresponding path program 13 times [2021-10-19 14:25:41,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:41,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961354379] [2021-10-19 14:25:41,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:41,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:41,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:41,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961354379] [2021-10-19 14:25:41,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961354379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:41,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:41,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:41,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441651633] [2021-10-19 14:25:41,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:41,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:41,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:41,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:41,816 INFO L87 Difference]: Start difference. First operand 2311 states and 4423 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:43,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:43,981 INFO L93 Difference]: Finished difference Result 4878 states and 9401 transitions. [2021-10-19 14:25:43,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:25:43,981 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:43,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:43,988 INFO L225 Difference]: With dead ends: 4878 [2021-10-19 14:25:43,988 INFO L226 Difference]: Without dead ends: 4878 [2021-10-19 14:25:43,988 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 1003.5ms TimeCoverageRelationStatistics Valid=636, Invalid=2904, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:25:43,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2021-10-19 14:25:44,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 2315. [2021-10-19 14:25:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2303 states have (on average 1.9240121580547112) internal successors, (4431), 2314 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 4431 transitions. [2021-10-19 14:25:44,015 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 4431 transitions. Word has length 126 [2021-10-19 14:25:44,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:44,015 INFO L470 AbstractCegarLoop]: Abstraction has 2315 states and 4431 transitions. [2021-10-19 14:25:44,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 4431 transitions. [2021-10-19 14:25:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:44,016 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:44,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:44,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-19 14:25:44,016 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:44,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:44,016 INFO L82 PathProgramCache]: Analyzing trace with hash 33855912, now seen corresponding path program 14 times [2021-10-19 14:25:44,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:44,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906631293] [2021-10-19 14:25:44,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:44,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:44,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:44,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906631293] [2021-10-19 14:25:44,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906631293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:44,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:44,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:44,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027393548] [2021-10-19 14:25:44,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:44,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:44,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:44,259 INFO L87 Difference]: Start difference. First operand 2315 states and 4431 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:46,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:46,378 INFO L93 Difference]: Finished difference Result 4870 states and 9387 transitions. [2021-10-19 14:25:46,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:25:46,379 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:46,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:46,385 INFO L225 Difference]: With dead ends: 4870 [2021-10-19 14:25:46,385 INFO L226 Difference]: Without dead ends: 4870 [2021-10-19 14:25:46,386 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 840 ImplicationChecksByTransitivity, 975.8ms TimeCoverageRelationStatistics Valid=599, Invalid=2823, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:25:46,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2021-10-19 14:25:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 2317. [2021-10-19 14:25:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2305 states have (on average 1.9240780911062907) internal successors, (4435), 2316 states have internal predecessors, (4435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 4435 transitions. [2021-10-19 14:25:46,414 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 4435 transitions. Word has length 126 [2021-10-19 14:25:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:46,414 INFO L470 AbstractCegarLoop]: Abstraction has 2317 states and 4435 transitions. [2021-10-19 14:25:46,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 4435 transitions. [2021-10-19 14:25:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:46,415 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:46,415 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:46,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-19 14:25:46,415 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:46,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:46,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1809707450, now seen corresponding path program 15 times [2021-10-19 14:25:46,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:46,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789260383] [2021-10-19 14:25:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:46,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:46,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:46,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789260383] [2021-10-19 14:25:46,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789260383] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:46,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:46,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:46,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964051257] [2021-10-19 14:25:46,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:46,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:46,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:46,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:46,659 INFO L87 Difference]: Start difference. First operand 2317 states and 4435 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:48,715 INFO L93 Difference]: Finished difference Result 5046 states and 9743 transitions. [2021-10-19 14:25:48,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:25:48,715 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:48,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:48,722 INFO L225 Difference]: With dead ends: 5046 [2021-10-19 14:25:48,722 INFO L226 Difference]: Without dead ends: 5046 [2021-10-19 14:25:48,722 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 909.1ms TimeCoverageRelationStatistics Valid=552, Invalid=2640, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:25:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2021-10-19 14:25:48,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 2312. [2021-10-19 14:25:48,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 2300 states have (on average 1.923913043478261) internal successors, (4425), 2311 states have internal predecessors, (4425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 4425 transitions. [2021-10-19 14:25:48,752 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 4425 transitions. Word has length 126 [2021-10-19 14:25:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:48,752 INFO L470 AbstractCegarLoop]: Abstraction has 2312 states and 4425 transitions. [2021-10-19 14:25:48,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 4425 transitions. [2021-10-19 14:25:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:48,753 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:48,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:48,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-19 14:25:48,754 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:48,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:48,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1110816108, now seen corresponding path program 16 times [2021-10-19 14:25:48,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:48,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763799447] [2021-10-19 14:25:48,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:48,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:49,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:49,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763799447] [2021-10-19 14:25:49,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763799447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:49,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:49,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:49,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137245667] [2021-10-19 14:25:49,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:49,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:49,012 INFO L87 Difference]: Start difference. First operand 2312 states and 4425 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:51,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:51,024 INFO L93 Difference]: Finished difference Result 4799 states and 9249 transitions. [2021-10-19 14:25:51,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-19 14:25:51,024 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:51,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:51,033 INFO L225 Difference]: With dead ends: 4799 [2021-10-19 14:25:51,033 INFO L226 Difference]: Without dead ends: 4799 [2021-10-19 14:25:51,033 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 891.7ms TimeCoverageRelationStatistics Valid=537, Invalid=2543, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:25:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4799 states. [2021-10-19 14:25:51,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4799 to 2311. [2021-10-19 14:25:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2299 states have (on average 1.9238799478033928) internal successors, (4423), 2310 states have internal predecessors, (4423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4423 transitions. [2021-10-19 14:25:51,062 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4423 transitions. Word has length 126 [2021-10-19 14:25:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:51,062 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4423 transitions. [2021-10-19 14:25:51,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4423 transitions. [2021-10-19 14:25:51,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:51,063 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:51,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:51,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-19 14:25:51,070 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:51,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:51,070 INFO L82 PathProgramCache]: Analyzing trace with hash 214818124, now seen corresponding path program 1 times [2021-10-19 14:25:51,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:51,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806150100] [2021-10-19 14:25:51,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:51,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:51,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:51,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806150100] [2021-10-19 14:25:51,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806150100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:51,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:51,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-19 14:25:51,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378001785] [2021-10-19 14:25:51,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-19 14:25:51,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:51,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-19 14:25:51,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-10-19 14:25:51,422 INFO L87 Difference]: Start difference. First operand 2311 states and 4423 transitions. Second operand has 22 states, 21 states have (on average 6.0) internal successors, (126), 22 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:53,381 INFO L93 Difference]: Finished difference Result 4906 states and 9488 transitions. [2021-10-19 14:25:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:25:53,382 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 22 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:53,386 INFO L225 Difference]: With dead ends: 4906 [2021-10-19 14:25:53,386 INFO L226 Difference]: Without dead ends: 4906 [2021-10-19 14:25:53,387 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1418 ImplicationChecksByTransitivity, 997.6ms TimeCoverageRelationStatistics Valid=789, Invalid=4181, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:25:53,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4906 states. [2021-10-19 14:25:53,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4906 to 2413. [2021-10-19 14:25:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2413 states, 2401 states have (on average 1.9258642232403165) internal successors, (4624), 2412 states have internal predecessors, (4624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2413 states and 4624 transitions. [2021-10-19 14:25:53,411 INFO L78 Accepts]: Start accepts. Automaton has 2413 states and 4624 transitions. Word has length 126 [2021-10-19 14:25:53,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:53,411 INFO L470 AbstractCegarLoop]: Abstraction has 2413 states and 4624 transitions. [2021-10-19 14:25:53,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.0) internal successors, (126), 22 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 4624 transitions. [2021-10-19 14:25:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:53,412 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:53,412 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:53,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-10-19 14:25:53,413 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:53,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1139117182, now seen corresponding path program 17 times [2021-10-19 14:25:53,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:53,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543932067] [2021-10-19 14:25:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:53,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:53,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:53,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543932067] [2021-10-19 14:25:53,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543932067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:53,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:53,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:53,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628194929] [2021-10-19 14:25:53,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:53,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:53,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:53,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:53,666 INFO L87 Difference]: Start difference. First operand 2413 states and 4624 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:55,661 INFO L93 Difference]: Finished difference Result 5754 states and 11094 transitions. [2021-10-19 14:25:55,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:25:55,662 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:55,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:55,667 INFO L225 Difference]: With dead ends: 5754 [2021-10-19 14:25:55,667 INFO L226 Difference]: Without dead ends: 5734 [2021-10-19 14:25:55,668 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 692.4ms TimeCoverageRelationStatistics Valid=701, Invalid=3589, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:25:55,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2021-10-19 14:25:55,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 2580. [2021-10-19 14:25:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2568 states have (on average 1.9338006230529594) internal successors, (4966), 2579 states have internal predecessors, (4966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 4966 transitions. [2021-10-19 14:25:55,696 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 4966 transitions. Word has length 126 [2021-10-19 14:25:55,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:55,696 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 4966 transitions. [2021-10-19 14:25:55,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 4966 transitions. [2021-10-19 14:25:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:55,697 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:55,697 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:55,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-10-19 14:25:55,697 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:55,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:55,698 INFO L82 PathProgramCache]: Analyzing trace with hash -250229610, now seen corresponding path program 18 times [2021-10-19 14:25:55,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:55,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703944775] [2021-10-19 14:25:55,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:55,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:55,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:55,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703944775] [2021-10-19 14:25:55,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703944775] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:55,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:55,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:55,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452646841] [2021-10-19 14:25:55,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:55,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:55,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:55,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:55,922 INFO L87 Difference]: Start difference. First operand 2580 states and 4966 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:58,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:25:58,027 INFO L93 Difference]: Finished difference Result 6469 states and 12460 transitions. [2021-10-19 14:25:58,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:25:58,027 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:25:58,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:25:58,035 INFO L225 Difference]: With dead ends: 6469 [2021-10-19 14:25:58,035 INFO L226 Difference]: Without dead ends: 6469 [2021-10-19 14:25:58,035 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 833.8ms TimeCoverageRelationStatistics Valid=733, Invalid=3689, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:25:58,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6469 states. [2021-10-19 14:25:58,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6469 to 2582. [2021-10-19 14:25:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2570 states have (on average 1.933852140077821) internal successors, (4970), 2581 states have internal predecessors, (4970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 4970 transitions. [2021-10-19 14:25:58,071 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 4970 transitions. Word has length 126 [2021-10-19 14:25:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:25:58,071 INFO L470 AbstractCegarLoop]: Abstraction has 2582 states and 4970 transitions. [2021-10-19 14:25:58,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:25:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 4970 transitions. [2021-10-19 14:25:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:25:58,072 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:25:58,072 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:25:58,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-10-19 14:25:58,072 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:25:58,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:25:58,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1246838368, now seen corresponding path program 19 times [2021-10-19 14:25:58,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:25:58,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376175320] [2021-10-19 14:25:58,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:25:58,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:25:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:25:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:25:58,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:25:58,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376175320] [2021-10-19 14:25:58,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376175320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:25:58,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:25:58,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:25:58,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101331995] [2021-10-19 14:25:58,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:25:58,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:25:58,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:25:58,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:25:58,312 INFO L87 Difference]: Start difference. First operand 2582 states and 4970 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:00,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:00,549 INFO L93 Difference]: Finished difference Result 6256 states and 12034 transitions. [2021-10-19 14:26:00,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:26:00,550 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:00,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:00,557 INFO L225 Difference]: With dead ends: 6256 [2021-10-19 14:26:00,557 INFO L226 Difference]: Without dead ends: 6256 [2021-10-19 14:26:00,557 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 824.0ms TimeCoverageRelationStatistics Valid=747, Invalid=3675, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:26:00,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2021-10-19 14:26:00,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 2584. [2021-10-19 14:26:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2572 states have (on average 1.9339035769828927) internal successors, (4974), 2583 states have internal predecessors, (4974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 4974 transitions. [2021-10-19 14:26:00,590 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 4974 transitions. Word has length 126 [2021-10-19 14:26:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:00,590 INFO L470 AbstractCegarLoop]: Abstraction has 2584 states and 4974 transitions. [2021-10-19 14:26:00,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 4974 transitions. [2021-10-19 14:26:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:00,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:00,592 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:00,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-10-19 14:26:00,592 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash -666549226, now seen corresponding path program 20 times [2021-10-19 14:26:00,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:00,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970248883] [2021-10-19 14:26:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:00,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:00,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:00,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970248883] [2021-10-19 14:26:00,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970248883] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:00,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:00,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:00,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400955573] [2021-10-19 14:26:00,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:00,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:00,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:00,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:00,816 INFO L87 Difference]: Start difference. First operand 2584 states and 4974 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:03,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:03,147 INFO L93 Difference]: Finished difference Result 6356 states and 12234 transitions. [2021-10-19 14:26:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:26:03,147 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:03,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:03,153 INFO L225 Difference]: With dead ends: 6356 [2021-10-19 14:26:03,154 INFO L226 Difference]: Without dead ends: 6356 [2021-10-19 14:26:03,154 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 813.8ms TimeCoverageRelationStatistics Valid=739, Invalid=3683, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:26:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6356 states. [2021-10-19 14:26:03,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6356 to 2580. [2021-10-19 14:26:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2568 states have (on average 1.9338006230529594) internal successors, (4966), 2579 states have internal predecessors, (4966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 4966 transitions. [2021-10-19 14:26:03,185 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 4966 transitions. Word has length 126 [2021-10-19 14:26:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:03,185 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 4966 transitions. [2021-10-19 14:26:03,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 4966 transitions. [2021-10-19 14:26:03,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:03,186 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:03,187 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:03,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-10-19 14:26:03,187 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:03,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:03,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1536857396, now seen corresponding path program 21 times [2021-10-19 14:26:03,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:03,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699053401] [2021-10-19 14:26:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:03,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:03,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:03,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699053401] [2021-10-19 14:26:03,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699053401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:03,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:03,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:03,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748809549] [2021-10-19 14:26:03,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:03,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:03,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:03,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:03,406 INFO L87 Difference]: Start difference. First operand 2580 states and 4966 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:05,670 INFO L93 Difference]: Finished difference Result 6505 states and 12530 transitions. [2021-10-19 14:26:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:26:05,670 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:05,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:05,677 INFO L225 Difference]: With dead ends: 6505 [2021-10-19 14:26:05,677 INFO L226 Difference]: Without dead ends: 6505 [2021-10-19 14:26:05,677 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 858.2ms TimeCoverageRelationStatistics Valid=730, Invalid=3560, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:26:05,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6505 states. [2021-10-19 14:26:05,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6505 to 2585. [2021-10-19 14:26:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2585 states, 2573 states have (on average 1.9339292654488924) internal successors, (4976), 2584 states have internal predecessors, (4976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2585 states and 4976 transitions. [2021-10-19 14:26:05,710 INFO L78 Accepts]: Start accepts. Automaton has 2585 states and 4976 transitions. Word has length 126 [2021-10-19 14:26:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:05,710 INFO L470 AbstractCegarLoop]: Abstraction has 2585 states and 4976 transitions. [2021-10-19 14:26:05,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 4976 transitions. [2021-10-19 14:26:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:05,712 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:05,712 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:05,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-10-19 14:26:05,712 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:05,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:05,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1261041922, now seen corresponding path program 22 times [2021-10-19 14:26:05,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:05,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184422614] [2021-10-19 14:26:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:05,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:05,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:05,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184422614] [2021-10-19 14:26:05,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184422614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:05,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:05,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:05,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006515521] [2021-10-19 14:26:05,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:05,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:05,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:05,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:05,945 INFO L87 Difference]: Start difference. First operand 2585 states and 4976 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:08,063 INFO L93 Difference]: Finished difference Result 6358 states and 12232 transitions. [2021-10-19 14:26:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:26:08,063 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:08,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:08,070 INFO L225 Difference]: With dead ends: 6358 [2021-10-19 14:26:08,070 INFO L226 Difference]: Without dead ends: 6358 [2021-10-19 14:26:08,071 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 964.6ms TimeCoverageRelationStatistics Valid=790, Invalid=3766, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:26:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6358 states. [2021-10-19 14:26:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6358 to 2587. [2021-10-19 14:26:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2587 states, 2575 states have (on average 1.9339805825242717) internal successors, (4980), 2586 states have internal predecessors, (4980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2587 states and 4980 transitions. [2021-10-19 14:26:08,102 INFO L78 Accepts]: Start accepts. Automaton has 2587 states and 4980 transitions. Word has length 126 [2021-10-19 14:26:08,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:08,102 INFO L470 AbstractCegarLoop]: Abstraction has 2587 states and 4980 transitions. [2021-10-19 14:26:08,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 4980 transitions. [2021-10-19 14:26:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:08,103 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:08,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:08,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-10-19 14:26:08,104 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:08,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:08,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1120537780, now seen corresponding path program 23 times [2021-10-19 14:26:08,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:08,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410370743] [2021-10-19 14:26:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:08,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:08,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:08,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410370743] [2021-10-19 14:26:08,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410370743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:08,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:08,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:08,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284194298] [2021-10-19 14:26:08,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:08,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:08,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:08,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:08,355 INFO L87 Difference]: Start difference. First operand 2587 states and 4980 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:10,523 INFO L93 Difference]: Finished difference Result 6458 states and 12432 transitions. [2021-10-19 14:26:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:26:10,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:10,529 INFO L225 Difference]: With dead ends: 6458 [2021-10-19 14:26:10,529 INFO L226 Difference]: Without dead ends: 6458 [2021-10-19 14:26:10,530 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 954.1ms TimeCoverageRelationStatistics Valid=783, Invalid=3773, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:26:10,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6458 states. [2021-10-19 14:26:10,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6458 to 2583. [2021-10-19 14:26:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2583 states, 2571 states have (on average 1.9338778685336444) internal successors, (4972), 2582 states have internal predecessors, (4972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2583 states and 4972 transitions. [2021-10-19 14:26:10,557 INFO L78 Accepts]: Start accepts. Automaton has 2583 states and 4972 transitions. Word has length 126 [2021-10-19 14:26:10,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:10,558 INFO L470 AbstractCegarLoop]: Abstraction has 2583 states and 4972 transitions. [2021-10-19 14:26:10,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:10,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 4972 transitions. [2021-10-19 14:26:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:10,559 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:10,559 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:10,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-10-19 14:26:10,559 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:10,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:10,559 INFO L82 PathProgramCache]: Analyzing trace with hash 148357502, now seen corresponding path program 24 times [2021-10-19 14:26:10,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:10,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993618679] [2021-10-19 14:26:10,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:10,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:10,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:10,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993618679] [2021-10-19 14:26:10,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993618679] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:10,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:10,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:10,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9547085] [2021-10-19 14:26:10,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:10,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:10,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:10,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:10,799 INFO L87 Difference]: Start difference. First operand 2583 states and 4972 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:13,136 INFO L93 Difference]: Finished difference Result 6294 states and 12108 transitions. [2021-10-19 14:26:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:26:13,136 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:13,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:13,146 INFO L225 Difference]: With dead ends: 6294 [2021-10-19 14:26:13,146 INFO L226 Difference]: Without dead ends: 6294 [2021-10-19 14:26:13,146 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 936.4ms TimeCoverageRelationStatistics Valid=818, Invalid=3738, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:26:13,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6294 states. [2021-10-19 14:26:13,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6294 to 2586. [2021-10-19 14:26:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2586 states, 2574 states have (on average 1.933954933954934) internal successors, (4978), 2585 states have internal predecessors, (4978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2586 states and 4978 transitions. [2021-10-19 14:26:13,181 INFO L78 Accepts]: Start accepts. Automaton has 2586 states and 4978 transitions. Word has length 126 [2021-10-19 14:26:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:13,181 INFO L470 AbstractCegarLoop]: Abstraction has 2586 states and 4978 transitions. [2021-10-19 14:26:13,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 4978 transitions. [2021-10-19 14:26:13,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:13,183 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:13,183 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:13,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-10-19 14:26:13,184 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:13,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash 701967736, now seen corresponding path program 25 times [2021-10-19 14:26:13,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:13,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086882660] [2021-10-19 14:26:13,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:13,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:13,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:13,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086882660] [2021-10-19 14:26:13,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086882660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:13,424 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:13,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:13,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827946333] [2021-10-19 14:26:13,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:13,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:13,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:13,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:13,425 INFO L87 Difference]: Start difference. First operand 2586 states and 4978 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:15,787 INFO L93 Difference]: Finished difference Result 6334 states and 12184 transitions. [2021-10-19 14:26:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:26:15,787 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:15,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:15,794 INFO L225 Difference]: With dead ends: 6334 [2021-10-19 14:26:15,794 INFO L226 Difference]: Without dead ends: 6334 [2021-10-19 14:26:15,795 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1274 ImplicationChecksByTransitivity, 1011.9ms TimeCoverageRelationStatistics Valid=827, Invalid=3865, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:26:15,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6334 states. [2021-10-19 14:26:15,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6334 to 2588. [2021-10-19 14:26:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2576 states have (on average 1.9340062111801242) internal successors, (4982), 2587 states have internal predecessors, (4982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4982 transitions. [2021-10-19 14:26:15,826 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4982 transitions. Word has length 126 [2021-10-19 14:26:15,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:15,826 INFO L470 AbstractCegarLoop]: Abstraction has 2588 states and 4982 transitions. [2021-10-19 14:26:15,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4982 transitions. [2021-10-19 14:26:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:15,827 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:15,827 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:15,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-10-19 14:26:15,828 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:15,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1141595626, now seen corresponding path program 26 times [2021-10-19 14:26:15,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:15,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971482926] [2021-10-19 14:26:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:15,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:16,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:16,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971482926] [2021-10-19 14:26:16,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971482926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:16,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:16,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:16,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156093467] [2021-10-19 14:26:16,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:16,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:16,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:16,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:16,052 INFO L87 Difference]: Start difference. First operand 2588 states and 4982 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:18,247 INFO L93 Difference]: Finished difference Result 6390 states and 12300 transitions. [2021-10-19 14:26:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:26:18,247 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:18,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:18,253 INFO L225 Difference]: With dead ends: 6390 [2021-10-19 14:26:18,253 INFO L226 Difference]: Without dead ends: 6390 [2021-10-19 14:26:18,253 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 901.2ms TimeCoverageRelationStatistics Valid=771, Invalid=3651, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:26:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6390 states. [2021-10-19 14:26:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6390 to 2580. [2021-10-19 14:26:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2568 states have (on average 1.9338006230529594) internal successors, (4966), 2579 states have internal predecessors, (4966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 4966 transitions. [2021-10-19 14:26:18,280 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 4966 transitions. Word has length 126 [2021-10-19 14:26:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:18,281 INFO L470 AbstractCegarLoop]: Abstraction has 2580 states and 4966 transitions. [2021-10-19 14:26:18,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 4966 transitions. [2021-10-19 14:26:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:18,282 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:18,282 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:18,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-10-19 14:26:18,282 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:18,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:18,282 INFO L82 PathProgramCache]: Analyzing trace with hash 213737482, now seen corresponding path program 27 times [2021-10-19 14:26:18,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:18,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88855734] [2021-10-19 14:26:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:18,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:18,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:18,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88855734] [2021-10-19 14:26:18,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88855734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:18,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:18,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:18,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851954915] [2021-10-19 14:26:18,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:18,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:18,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:18,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:18,526 INFO L87 Difference]: Start difference. First operand 2580 states and 4966 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:20,296 INFO L93 Difference]: Finished difference Result 5129 states and 9922 transitions. [2021-10-19 14:26:20,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:26:20,296 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:20,301 INFO L225 Difference]: With dead ends: 5129 [2021-10-19 14:26:20,301 INFO L226 Difference]: Without dead ends: 5129 [2021-10-19 14:26:20,301 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 773.6ms TimeCoverageRelationStatistics Valid=545, Invalid=2761, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:26:20,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2021-10-19 14:26:20,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 2572. [2021-10-19 14:26:20,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2572 states, 2560 states have (on average 1.93359375) internal successors, (4950), 2571 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 4950 transitions. [2021-10-19 14:26:20,326 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 4950 transitions. Word has length 126 [2021-10-19 14:26:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:20,326 INFO L470 AbstractCegarLoop]: Abstraction has 2572 states and 4950 transitions. [2021-10-19 14:26:20,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 4950 transitions. [2021-10-19 14:26:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:20,328 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:20,328 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:20,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-10-19 14:26:20,328 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:20,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:20,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1710805460, now seen corresponding path program 28 times [2021-10-19 14:26:20,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:20,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016803834] [2021-10-19 14:26:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:20,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:20,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:20,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016803834] [2021-10-19 14:26:20,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016803834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:20,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:20,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:20,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129779384] [2021-10-19 14:26:20,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:20,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:20,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:20,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:20,543 INFO L87 Difference]: Start difference. First operand 2572 states and 4950 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:22,398 INFO L93 Difference]: Finished difference Result 4990 states and 9640 transitions. [2021-10-19 14:26:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:26:22,398 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:22,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:22,403 INFO L225 Difference]: With dead ends: 4990 [2021-10-19 14:26:22,403 INFO L226 Difference]: Without dead ends: 4990 [2021-10-19 14:26:22,404 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 875.5ms TimeCoverageRelationStatistics Valid=596, Invalid=2944, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:26:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2021-10-19 14:26:22,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 2574. [2021-10-19 14:26:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2562 states have (on average 1.9336455893832942) internal successors, (4954), 2573 states have internal predecessors, (4954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 4954 transitions. [2021-10-19 14:26:22,429 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 4954 transitions. Word has length 126 [2021-10-19 14:26:22,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:22,429 INFO L470 AbstractCegarLoop]: Abstraction has 2574 states and 4954 transitions. [2021-10-19 14:26:22,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 4954 transitions. [2021-10-19 14:26:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:22,430 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:22,430 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:22,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-10-19 14:26:22,431 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:22,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:22,431 INFO L82 PathProgramCache]: Analyzing trace with hash -202582134, now seen corresponding path program 29 times [2021-10-19 14:26:22,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:22,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889794916] [2021-10-19 14:26:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:22,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:22,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:22,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889794916] [2021-10-19 14:26:22,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889794916] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:22,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:22,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:22,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472723287] [2021-10-19 14:26:22,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:22,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:22,670 INFO L87 Difference]: Start difference. First operand 2574 states and 4954 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:24,582 INFO L93 Difference]: Finished difference Result 5090 states and 9840 transitions. [2021-10-19 14:26:24,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:26:24,582 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:24,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:24,587 INFO L225 Difference]: With dead ends: 5090 [2021-10-19 14:26:24,587 INFO L226 Difference]: Without dead ends: 5090 [2021-10-19 14:26:24,587 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 883.7ms TimeCoverageRelationStatistics Valid=589, Invalid=2951, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:26:24,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5090 states. [2021-10-19 14:26:24,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5090 to 2570. [2021-10-19 14:26:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2558 states have (on average 1.9335418295543394) internal successors, (4946), 2569 states have internal predecessors, (4946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 4946 transitions. [2021-10-19 14:26:24,614 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 4946 transitions. Word has length 126 [2021-10-19 14:26:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:24,614 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 4946 transitions. [2021-10-19 14:26:24,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 4946 transitions. [2021-10-19 14:26:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:24,615 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:24,615 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:24,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-10-19 14:26:24,615 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:24,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:24,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1174762412, now seen corresponding path program 30 times [2021-10-19 14:26:24,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:24,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524655796] [2021-10-19 14:26:24,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:24,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:24,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:24,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524655796] [2021-10-19 14:26:24,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524655796] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:24,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:24,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:24,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436561861] [2021-10-19 14:26:24,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:24,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:24,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:24,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:24,862 INFO L87 Difference]: Start difference. First operand 2570 states and 4946 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:26,653 INFO L93 Difference]: Finished difference Result 5025 states and 9708 transitions. [2021-10-19 14:26:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:26:26,654 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:26,659 INFO L225 Difference]: With dead ends: 5025 [2021-10-19 14:26:26,659 INFO L226 Difference]: Without dead ends: 5025 [2021-10-19 14:26:26,659 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 895.9ms TimeCoverageRelationStatistics Valid=666, Invalid=3116, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:26:26,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2021-10-19 14:26:26,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 2573. [2021-10-19 14:26:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2561 states have (on average 1.9336196798125733) internal successors, (4952), 2572 states have internal predecessors, (4952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4952 transitions. [2021-10-19 14:26:26,685 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4952 transitions. Word has length 126 [2021-10-19 14:26:26,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:26,685 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4952 transitions. [2021-10-19 14:26:26,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4952 transitions. [2021-10-19 14:26:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:26,686 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:26,687 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:26,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-10-19 14:26:26,687 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:26,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:26,687 INFO L82 PathProgramCache]: Analyzing trace with hash -621152178, now seen corresponding path program 31 times [2021-10-19 14:26:26,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:26,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949866740] [2021-10-19 14:26:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:26,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:26,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:26,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949866740] [2021-10-19 14:26:26,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949866740] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:26,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:26,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:26,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435260432] [2021-10-19 14:26:26,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:26,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:26,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:26,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:26,923 INFO L87 Difference]: Start difference. First operand 2573 states and 4952 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:28,923 INFO L93 Difference]: Finished difference Result 5065 states and 9784 transitions. [2021-10-19 14:26:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:26:28,923 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:28,929 INFO L225 Difference]: With dead ends: 5065 [2021-10-19 14:26:28,929 INFO L226 Difference]: Without dead ends: 5065 [2021-10-19 14:26:28,929 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 964.0ms TimeCoverageRelationStatistics Valid=673, Invalid=3233, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:26:28,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5065 states. [2021-10-19 14:26:28,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5065 to 2575. [2021-10-19 14:26:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 2563 states have (on average 1.9336714787358564) internal successors, (4956), 2574 states have internal predecessors, (4956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 4956 transitions. [2021-10-19 14:26:28,955 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 4956 transitions. Word has length 126 [2021-10-19 14:26:28,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:28,955 INFO L470 AbstractCegarLoop]: Abstraction has 2575 states and 4956 transitions. [2021-10-19 14:26:28,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 4956 transitions. [2021-10-19 14:26:28,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:28,957 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:28,957 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:28,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-10-19 14:26:28,957 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:28,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:28,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1830251756, now seen corresponding path program 32 times [2021-10-19 14:26:28,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:28,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044810536] [2021-10-19 14:26:28,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:28,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:29,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:29,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044810536] [2021-10-19 14:26:29,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044810536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:29,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:29,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:29,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605742877] [2021-10-19 14:26:29,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:29,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:29,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:29,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:29,184 INFO L87 Difference]: Start difference. First operand 2575 states and 4956 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:31,194 INFO L93 Difference]: Finished difference Result 5121 states and 9900 transitions. [2021-10-19 14:26:31,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:26:31,194 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:31,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:31,200 INFO L225 Difference]: With dead ends: 5121 [2021-10-19 14:26:31,200 INFO L226 Difference]: Without dead ends: 5121 [2021-10-19 14:26:31,200 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 865.5ms TimeCoverageRelationStatistics Valid=623, Invalid=3037, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:26:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5121 states. [2021-10-19 14:26:31,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5121 to 2567. [2021-10-19 14:26:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2555 states have (on average 1.933463796477495) internal successors, (4940), 2566 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4940 transitions. [2021-10-19 14:26:31,227 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4940 transitions. Word has length 126 [2021-10-19 14:26:31,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:31,227 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4940 transitions. [2021-10-19 14:26:31,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4940 transitions. [2021-10-19 14:26:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:31,228 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:31,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:31,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-10-19 14:26:31,229 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:31,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:31,229 INFO L82 PathProgramCache]: Analyzing trace with hash -661012758, now seen corresponding path program 33 times [2021-10-19 14:26:31,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:31,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757105939] [2021-10-19 14:26:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:31,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:31,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:31,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757105939] [2021-10-19 14:26:31,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757105939] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:31,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:31,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:31,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543355428] [2021-10-19 14:26:31,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:31,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:31,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:31,471 INFO L87 Difference]: Start difference. First operand 2567 states and 4940 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:33,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:33,253 INFO L93 Difference]: Finished difference Result 4989 states and 9636 transitions. [2021-10-19 14:26:33,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:26:33,254 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:33,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:33,259 INFO L225 Difference]: With dead ends: 4989 [2021-10-19 14:26:33,259 INFO L226 Difference]: Without dead ends: 4989 [2021-10-19 14:26:33,259 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 877.6ms TimeCoverageRelationStatistics Valid=605, Invalid=2935, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:26:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2021-10-19 14:26:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 2567. [2021-10-19 14:26:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2555 states have (on average 1.933463796477495) internal successors, (4940), 2566 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4940 transitions. [2021-10-19 14:26:33,294 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4940 transitions. Word has length 126 [2021-10-19 14:26:33,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:33,294 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4940 transitions. [2021-10-19 14:26:33,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:33,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4940 transitions. [2021-10-19 14:26:33,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:33,295 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:33,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:33,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-10-19 14:26:33,295 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:33,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:33,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1361472710, now seen corresponding path program 34 times [2021-10-19 14:26:33,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:33,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271039949] [2021-10-19 14:26:33,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:33,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:33,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:33,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271039949] [2021-10-19 14:26:33,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271039949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:33,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:33,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:33,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082401723] [2021-10-19 14:26:33,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:33,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:33,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:33,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:33,530 INFO L87 Difference]: Start difference. First operand 2567 states and 4940 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:35,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:35,513 INFO L93 Difference]: Finished difference Result 4981 states and 9622 transitions. [2021-10-19 14:26:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:26:35,513 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:35,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:35,518 INFO L225 Difference]: With dead ends: 4981 [2021-10-19 14:26:35,518 INFO L226 Difference]: Without dead ends: 4981 [2021-10-19 14:26:35,518 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 890.6ms TimeCoverageRelationStatistics Valid=569, Invalid=2853, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:26:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4981 states. [2021-10-19 14:26:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4981 to 2567. [2021-10-19 14:26:35,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2555 states have (on average 1.933463796477495) internal successors, (4940), 2566 states have internal predecessors, (4940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:35,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4940 transitions. [2021-10-19 14:26:35,543 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4940 transitions. Word has length 126 [2021-10-19 14:26:35,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:35,543 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4940 transitions. [2021-10-19 14:26:35,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4940 transitions. [2021-10-19 14:26:35,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:35,544 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:35,544 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:35,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-10-19 14:26:35,545 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:35,545 INFO L82 PathProgramCache]: Analyzing trace with hash -482090652, now seen corresponding path program 35 times [2021-10-19 14:26:35,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:35,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57171279] [2021-10-19 14:26:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:35,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:35,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:35,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57171279] [2021-10-19 14:26:35,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57171279] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:35,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:35,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:35,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126876126] [2021-10-19 14:26:35,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:35,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:35,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:35,769 INFO L87 Difference]: Start difference. First operand 2567 states and 4940 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:37,591 INFO L93 Difference]: Finished difference Result 5129 states and 9922 transitions. [2021-10-19 14:26:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:26:37,591 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:37,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:37,596 INFO L225 Difference]: With dead ends: 5129 [2021-10-19 14:26:37,596 INFO L226 Difference]: Without dead ends: 5129 [2021-10-19 14:26:37,597 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 789.3ms TimeCoverageRelationStatistics Valid=526, Invalid=2666, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:26:37,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5129 states. [2021-10-19 14:26:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5129 to 2554. [2021-10-19 14:26:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2542 states have (on average 1.933123524783635) internal successors, (4914), 2553 states have internal predecessors, (4914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4914 transitions. [2021-10-19 14:26:37,622 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4914 transitions. Word has length 126 [2021-10-19 14:26:37,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:37,622 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4914 transitions. [2021-10-19 14:26:37,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4914 transitions. [2021-10-19 14:26:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:37,623 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:37,623 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:37,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-10-19 14:26:37,623 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:37,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:37,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1856534390, now seen corresponding path program 36 times [2021-10-19 14:26:37,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:37,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120950885] [2021-10-19 14:26:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:37,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:37,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:37,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120950885] [2021-10-19 14:26:37,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120950885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:37,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:37,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:37,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812888506] [2021-10-19 14:26:37,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:37,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:37,871 INFO L87 Difference]: Start difference. First operand 2554 states and 4914 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:39,630 INFO L93 Difference]: Finished difference Result 4902 states and 9468 transitions. [2021-10-19 14:26:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-19 14:26:39,630 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:39,635 INFO L225 Difference]: With dead ends: 4902 [2021-10-19 14:26:39,635 INFO L226 Difference]: Without dead ends: 4902 [2021-10-19 14:26:39,636 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 792.8ms TimeCoverageRelationStatistics Valid=516, Invalid=2564, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:26:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2021-10-19 14:26:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 2538. [2021-10-19 14:26:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 2526 states have (on average 1.9326999208234363) internal successors, (4882), 2537 states have internal predecessors, (4882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 4882 transitions. [2021-10-19 14:26:39,661 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 4882 transitions. Word has length 126 [2021-10-19 14:26:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:39,662 INFO L470 AbstractCegarLoop]: Abstraction has 2538 states and 4882 transitions. [2021-10-19 14:26:39,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 4882 transitions. [2021-10-19 14:26:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:39,663 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:39,663 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:39,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-19 14:26:39,663 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:39,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:39,663 INFO L82 PathProgramCache]: Analyzing trace with hash 106079854, now seen corresponding path program 2 times [2021-10-19 14:26:39,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:39,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294017932] [2021-10-19 14:26:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:39,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:39,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:39,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294017932] [2021-10-19 14:26:39,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294017932] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:39,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:39,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:39,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450398196] [2021-10-19 14:26:39,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:39,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:39,875 INFO L87 Difference]: Start difference. First operand 2538 states and 4882 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:41,398 INFO L93 Difference]: Finished difference Result 6681 states and 12954 transitions. [2021-10-19 14:26:41,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:26:41,399 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:41,406 INFO L225 Difference]: With dead ends: 6681 [2021-10-19 14:26:41,406 INFO L226 Difference]: Without dead ends: 6681 [2021-10-19 14:26:41,406 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 707.8ms TimeCoverageRelationStatistics Valid=732, Invalid=3690, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:26:41,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6681 states. [2021-10-19 14:26:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6681 to 2660. [2021-10-19 14:26:41,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 2648 states have (on average 1.9358006042296072) internal successors, (5126), 2659 states have internal predecessors, (5126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 5126 transitions. [2021-10-19 14:26:41,439 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 5126 transitions. Word has length 126 [2021-10-19 14:26:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:41,440 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 5126 transitions. [2021-10-19 14:26:41,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 5126 transitions. [2021-10-19 14:26:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:41,441 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:41,441 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:41,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-19 14:26:41,441 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash 421319016, now seen corresponding path program 37 times [2021-10-19 14:26:41,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:41,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138470327] [2021-10-19 14:26:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:41,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:41,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:41,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138470327] [2021-10-19 14:26:41,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138470327] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:41,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:41,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:41,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011821048] [2021-10-19 14:26:41,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:41,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:41,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:41,644 INFO L87 Difference]: Start difference. First operand 2660 states and 5126 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:43,518 INFO L93 Difference]: Finished difference Result 7858 states and 15168 transitions. [2021-10-19 14:26:43,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:26:43,518 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:43,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:43,527 INFO L225 Difference]: With dead ends: 7858 [2021-10-19 14:26:43,527 INFO L226 Difference]: Without dead ends: 7858 [2021-10-19 14:26:43,528 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 591.9ms TimeCoverageRelationStatistics Valid=598, Invalid=2942, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:26:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7858 states. [2021-10-19 14:26:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7858 to 2672. [2021-10-19 14:26:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2660 states have (on average 1.9360902255639099) internal successors, (5150), 2671 states have internal predecessors, (5150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 5150 transitions. [2021-10-19 14:26:43,565 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 5150 transitions. Word has length 126 [2021-10-19 14:26:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:43,565 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 5150 transitions. [2021-10-19 14:26:43,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 5150 transitions. [2021-10-19 14:26:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:43,567 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:43,567 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:43,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-10-19 14:26:43,567 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:43,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1665977408, now seen corresponding path program 38 times [2021-10-19 14:26:43,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:43,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865320697] [2021-10-19 14:26:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:43,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:43,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:43,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:43,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865320697] [2021-10-19 14:26:43,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865320697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:43,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:43,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:43,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438307616] [2021-10-19 14:26:43,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:43,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:43,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:43,794 INFO L87 Difference]: Start difference. First operand 2672 states and 5150 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:45,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:45,942 INFO L93 Difference]: Finished difference Result 7383 states and 14280 transitions. [2021-10-19 14:26:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:26:45,943 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:45,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:45,951 INFO L225 Difference]: With dead ends: 7383 [2021-10-19 14:26:45,951 INFO L226 Difference]: Without dead ends: 7383 [2021-10-19 14:26:45,951 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 676.5ms TimeCoverageRelationStatistics Valid=520, Invalid=2560, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:26:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2021-10-19 14:26:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 2664. [2021-10-19 14:26:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2652 states have (on average 1.935897435897436) internal successors, (5134), 2663 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 5134 transitions. [2021-10-19 14:26:45,986 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 5134 transitions. Word has length 126 [2021-10-19 14:26:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:45,987 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 5134 transitions. [2021-10-19 14:26:45,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 5134 transitions. [2021-10-19 14:26:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:45,988 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:45,988 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:45,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-10-19 14:26:45,988 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:45,988 INFO L82 PathProgramCache]: Analyzing trace with hash -168909430, now seen corresponding path program 39 times [2021-10-19 14:26:45,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:45,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912426041] [2021-10-19 14:26:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:45,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:46,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:46,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912426041] [2021-10-19 14:26:46,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912426041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:46,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:46,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:46,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690471078] [2021-10-19 14:26:46,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:46,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:46,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:46,214 INFO L87 Difference]: Start difference. First operand 2664 states and 5134 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:48,488 INFO L93 Difference]: Finished difference Result 7174 states and 13862 transitions. [2021-10-19 14:26:48,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:26:48,488 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:48,495 INFO L225 Difference]: With dead ends: 7174 [2021-10-19 14:26:48,495 INFO L226 Difference]: Without dead ends: 7174 [2021-10-19 14:26:48,495 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 666.5ms TimeCoverageRelationStatistics Valid=534, Invalid=2546, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:26:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7174 states. [2021-10-19 14:26:48,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7174 to 2662. [2021-10-19 14:26:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2650 states have (on average 1.9358490566037736) internal successors, (5130), 2661 states have internal predecessors, (5130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 5130 transitions. [2021-10-19 14:26:48,525 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 5130 transitions. Word has length 126 [2021-10-19 14:26:48,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:48,525 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 5130 transitions. [2021-10-19 14:26:48,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:48,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 5130 transitions. [2021-10-19 14:26:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:48,526 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:48,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:48,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-10-19 14:26:48,527 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:48,527 INFO L82 PathProgramCache]: Analyzing trace with hash -2082297024, now seen corresponding path program 40 times [2021-10-19 14:26:48,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:48,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403980061] [2021-10-19 14:26:48,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:48,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:48,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:48,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:48,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403980061] [2021-10-19 14:26:48,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403980061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:48,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:48,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:48,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732476050] [2021-10-19 14:26:48,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:48,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:48,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:48,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:48,771 INFO L87 Difference]: Start difference. First operand 2662 states and 5130 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:51,119 INFO L93 Difference]: Finished difference Result 7270 states and 14054 transitions. [2021-10-19 14:26:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:26:51,119 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:51,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:51,127 INFO L225 Difference]: With dead ends: 7270 [2021-10-19 14:26:51,127 INFO L226 Difference]: Without dead ends: 7270 [2021-10-19 14:26:51,127 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 714.0ms TimeCoverageRelationStatistics Valid=526, Invalid=2554, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:26:51,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7270 states. [2021-10-19 14:26:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7270 to 2642. [2021-10-19 14:26:51,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2642 states, 2630 states have (on average 1.935361216730038) internal successors, (5090), 2641 states have internal predecessors, (5090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 5090 transitions. [2021-10-19 14:26:51,159 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 5090 transitions. Word has length 126 [2021-10-19 14:26:51,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:51,159 INFO L470 AbstractCegarLoop]: Abstraction has 2642 states and 5090 transitions. [2021-10-19 14:26:51,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 5090 transitions. [2021-10-19 14:26:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:51,160 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:51,160 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:51,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-10-19 14:26:51,161 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:51,161 INFO L82 PathProgramCache]: Analyzing trace with hash -657453262, now seen corresponding path program 3 times [2021-10-19 14:26:51,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:51,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866301010] [2021-10-19 14:26:51,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:51,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:51,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:51,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866301010] [2021-10-19 14:26:51,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866301010] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:51,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:51,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:51,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836718424] [2021-10-19 14:26:51,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:51,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:51,376 INFO L87 Difference]: Start difference. First operand 2642 states and 5090 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:52,799 INFO L93 Difference]: Finished difference Result 5660 states and 10993 transitions. [2021-10-19 14:26:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:26:52,799 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:52,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:52,805 INFO L225 Difference]: With dead ends: 5660 [2021-10-19 14:26:52,805 INFO L226 Difference]: Without dead ends: 5660 [2021-10-19 14:26:52,805 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 550.8ms TimeCoverageRelationStatistics Valid=496, Invalid=2366, Unknown=0, NotChecked=0, Total=2862 [2021-10-19 14:26:52,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2021-10-19 14:26:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 2738. [2021-10-19 14:26:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2726 states have (on average 1.937637564196625) internal successors, (5282), 2737 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 5282 transitions. [2021-10-19 14:26:52,834 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 5282 transitions. Word has length 126 [2021-10-19 14:26:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 2738 states and 5282 transitions. [2021-10-19 14:26:52,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 5282 transitions. [2021-10-19 14:26:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:52,835 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:52,835 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:52,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-10-19 14:26:52,835 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:52,836 INFO L82 PathProgramCache]: Analyzing trace with hash -342214100, now seen corresponding path program 41 times [2021-10-19 14:26:52,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:52,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006801732] [2021-10-19 14:26:52,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:52,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:53,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:53,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006801732] [2021-10-19 14:26:53,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006801732] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:53,056 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:53,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:53,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559357963] [2021-10-19 14:26:53,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:53,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:53,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:53,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:53,057 INFO L87 Difference]: Start difference. First operand 2738 states and 5282 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:54,838 INFO L93 Difference]: Finished difference Result 6235 states and 12063 transitions. [2021-10-19 14:26:54,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:26:54,838 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:54,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:54,844 INFO L225 Difference]: With dead ends: 6235 [2021-10-19 14:26:54,844 INFO L226 Difference]: Without dead ends: 6235 [2021-10-19 14:26:54,844 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 472.4ms TimeCoverageRelationStatistics Valid=423, Invalid=2027, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:26:54,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6235 states. [2021-10-19 14:26:54,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6235 to 2764. [2021-10-19 14:26:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2752 states have (on average 1.9396802325581395) internal successors, (5338), 2763 states have internal predecessors, (5338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 5338 transitions. [2021-10-19 14:26:54,875 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 5338 transitions. Word has length 126 [2021-10-19 14:26:54,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:54,875 INFO L470 AbstractCegarLoop]: Abstraction has 2764 states and 5338 transitions. [2021-10-19 14:26:54,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5338 transitions. [2021-10-19 14:26:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:54,876 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:54,876 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:54,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-10-19 14:26:54,877 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:54,877 INFO L82 PathProgramCache]: Analyzing trace with hash 782371694, now seen corresponding path program 4 times [2021-10-19 14:26:54,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:54,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937914343] [2021-10-19 14:26:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:54,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:55,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:55,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937914343] [2021-10-19 14:26:55,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937914343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:55,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:55,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:55,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790091535] [2021-10-19 14:26:55,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:55,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:55,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:55,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:55,151 INFO L87 Difference]: Start difference. First operand 2764 states and 5338 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:56,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:56,491 INFO L93 Difference]: Finished difference Result 4612 states and 8981 transitions. [2021-10-19 14:26:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-19 14:26:56,492 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:56,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:56,496 INFO L225 Difference]: With dead ends: 4612 [2021-10-19 14:26:56,496 INFO L226 Difference]: Without dead ends: 4612 [2021-10-19 14:26:56,496 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 611.5ms TimeCoverageRelationStatistics Valid=417, Invalid=2033, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:26:56,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2021-10-19 14:26:56,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 2766. [2021-10-19 14:26:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2754 states have (on average 1.9397240377632534) internal successors, (5342), 2765 states have internal predecessors, (5342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 5342 transitions. [2021-10-19 14:26:56,522 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 5342 transitions. Word has length 126 [2021-10-19 14:26:56,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:56,522 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 5342 transitions. [2021-10-19 14:26:56,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5342 transitions. [2021-10-19 14:26:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:56,523 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:56,523 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:56,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-10-19 14:26:56,523 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:56,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:56,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1394419732, now seen corresponding path program 5 times [2021-10-19 14:26:56,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:56,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691646164] [2021-10-19 14:26:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:56,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:56,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:56,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691646164] [2021-10-19 14:26:56,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691646164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:56,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:56,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:56,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991723941] [2021-10-19 14:26:56,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:56,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:56,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:56,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:56,804 INFO L87 Difference]: Start difference. First operand 2766 states and 5342 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:58,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:58,341 INFO L93 Difference]: Finished difference Result 4580 states and 8919 transitions. [2021-10-19 14:26:58,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-19 14:26:58,341 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:58,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:58,346 INFO L225 Difference]: With dead ends: 4580 [2021-10-19 14:26:58,346 INFO L226 Difference]: Without dead ends: 4580 [2021-10-19 14:26:58,346 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 732.1ms TimeCoverageRelationStatistics Valid=383, Invalid=1873, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:26:58,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2021-10-19 14:26:58,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 2768. [2021-10-19 14:26:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2768 states, 2756 states have (on average 1.9397677793904209) internal successors, (5346), 2767 states have internal predecessors, (5346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2768 states and 5346 transitions. [2021-10-19 14:26:58,372 INFO L78 Accepts]: Start accepts. Automaton has 2768 states and 5346 transitions. Word has length 126 [2021-10-19 14:26:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:26:58,372 INFO L470 AbstractCegarLoop]: Abstraction has 2768 states and 5346 transitions. [2021-10-19 14:26:58,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 5346 transitions. [2021-10-19 14:26:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:26:58,373 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:26:58,374 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:26:58,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-10-19 14:26:58,374 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:26:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:26:58,374 INFO L82 PathProgramCache]: Analyzing trace with hash -169085940, now seen corresponding path program 6 times [2021-10-19 14:26:58,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:26:58,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531535528] [2021-10-19 14:26:58,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:26:58,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:26:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:26:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:26:58,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:26:58,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531535528] [2021-10-19 14:26:58,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531535528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:26:58,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:26:58,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:26:58,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338071206] [2021-10-19 14:26:58,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:26:58,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:26:58,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:26:58,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:26:58,671 INFO L87 Difference]: Start difference. First operand 2768 states and 5346 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:26:59,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:26:59,983 INFO L93 Difference]: Finished difference Result 4529 states and 8821 transitions. [2021-10-19 14:26:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-19 14:26:59,984 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:26:59,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:26:59,988 INFO L225 Difference]: With dead ends: 4529 [2021-10-19 14:26:59,988 INFO L226 Difference]: Without dead ends: 4529 [2021-10-19 14:26:59,988 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 680.4ms TimeCoverageRelationStatistics Valid=358, Invalid=1712, Unknown=0, NotChecked=0, Total=2070 [2021-10-19 14:26:59,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2021-10-19 14:27:00,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2772. [2021-10-19 14:27:00,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2760 states have (on average 1.9398550724637682) internal successors, (5354), 2771 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 5354 transitions. [2021-10-19 14:27:00,014 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 5354 transitions. Word has length 126 [2021-10-19 14:27:00,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:00,015 INFO L470 AbstractCegarLoop]: Abstraction has 2772 states and 5354 transitions. [2021-10-19 14:27:00,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5354 transitions. [2021-10-19 14:27:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:00,016 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:00,016 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:00,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-10-19 14:27:00,016 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1734073716, now seen corresponding path program 7 times [2021-10-19 14:27:00,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:00,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012075045] [2021-10-19 14:27:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:00,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:00,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:00,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012075045] [2021-10-19 14:27:00,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012075045] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:00,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:00,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:00,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834874665] [2021-10-19 14:27:00,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:00,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:00,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:00,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:00,222 INFO L87 Difference]: Start difference. First operand 2772 states and 5354 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:02,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:02,067 INFO L93 Difference]: Finished difference Result 6615 states and 12817 transitions. [2021-10-19 14:27:02,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:27:02,068 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:02,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:02,075 INFO L225 Difference]: With dead ends: 6615 [2021-10-19 14:27:02,075 INFO L226 Difference]: Without dead ends: 6615 [2021-10-19 14:27:02,075 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 756.8ms TimeCoverageRelationStatistics Valid=845, Invalid=4125, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:27:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6615 states. [2021-10-19 14:27:02,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6615 to 2879. [2021-10-19 14:27:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2867 states have (on average 1.9420997558423438) internal successors, (5568), 2878 states have internal predecessors, (5568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:02,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 5568 transitions. [2021-10-19 14:27:02,109 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 5568 transitions. Word has length 126 [2021-10-19 14:27:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:02,109 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 5568 transitions. [2021-10-19 14:27:02,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 5568 transitions. [2021-10-19 14:27:02,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:02,111 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:02,111 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:02,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-10-19 14:27:02,111 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:02,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1418834554, now seen corresponding path program 42 times [2021-10-19 14:27:02,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:02,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801078448] [2021-10-19 14:27:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:02,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:02,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:02,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801078448] [2021-10-19 14:27:02,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801078448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:02,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:02,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:02,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715273226] [2021-10-19 14:27:02,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:02,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:02,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:02,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:02,310 INFO L87 Difference]: Start difference. First operand 2879 states and 5568 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:04,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:04,536 INFO L93 Difference]: Finished difference Result 7836 states and 15110 transitions. [2021-10-19 14:27:04,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:27:04,537 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:04,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:04,546 INFO L225 Difference]: With dead ends: 7836 [2021-10-19 14:27:04,546 INFO L226 Difference]: Without dead ends: 7816 [2021-10-19 14:27:04,546 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 671.8ms TimeCoverageRelationStatistics Valid=711, Invalid=3449, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:27:04,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7816 states. [2021-10-19 14:27:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7816 to 2831. [2021-10-19 14:27:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2819 states have (on average 1.9411138701667259) internal successors, (5472), 2830 states have internal predecessors, (5472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 5472 transitions. [2021-10-19 14:27:04,583 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 5472 transitions. Word has length 126 [2021-10-19 14:27:04,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:04,583 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 5472 transitions. [2021-10-19 14:27:04,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 5472 transitions. [2021-10-19 14:27:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:04,585 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:04,585 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:04,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-10-19 14:27:04,585 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:04,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:04,585 INFO L82 PathProgramCache]: Analyzing trace with hash 788836318, now seen corresponding path program 43 times [2021-10-19 14:27:04,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:04,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954142466] [2021-10-19 14:27:04,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:04,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:04,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:04,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954142466] [2021-10-19 14:27:04,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954142466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:04,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:04,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:04,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857632558] [2021-10-19 14:27:04,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:04,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:04,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:04,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:04,795 INFO L87 Difference]: Start difference. First operand 2831 states and 5472 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:07,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:07,502 INFO L93 Difference]: Finished difference Result 8686 states and 16746 transitions. [2021-10-19 14:27:07,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:27:07,502 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:07,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:07,511 INFO L225 Difference]: With dead ends: 8686 [2021-10-19 14:27:07,511 INFO L226 Difference]: Without dead ends: 8686 [2021-10-19 14:27:07,511 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1169 ImplicationChecksByTransitivity, 796.8ms TimeCoverageRelationStatistics Valid=741, Invalid=3549, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:27:07,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8686 states. [2021-10-19 14:27:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8686 to 2833. [2021-10-19 14:27:07,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2821 states have (on average 1.9411556185749734) internal successors, (5476), 2832 states have internal predecessors, (5476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 5476 transitions. [2021-10-19 14:27:07,548 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 5476 transitions. Word has length 126 [2021-10-19 14:27:07,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:07,548 INFO L470 AbstractCegarLoop]: Abstraction has 2833 states and 5476 transitions. [2021-10-19 14:27:07,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 5476 transitions. [2021-10-19 14:27:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:07,549 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:07,549 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:07,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-10-19 14:27:07,549 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:07,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:07,550 INFO L82 PathProgramCache]: Analyzing trace with hash -2009063000, now seen corresponding path program 44 times [2021-10-19 14:27:07,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:07,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614949680] [2021-10-19 14:27:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:07,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:07,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:07,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614949680] [2021-10-19 14:27:07,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614949680] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:07,758 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:07,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:07,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679280355] [2021-10-19 14:27:07,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:07,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:07,758 INFO L87 Difference]: Start difference. First operand 2833 states and 5476 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:10,605 INFO L93 Difference]: Finished difference Result 8473 states and 16320 transitions. [2021-10-19 14:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:27:10,605 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:10,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:10,614 INFO L225 Difference]: With dead ends: 8473 [2021-10-19 14:27:10,615 INFO L226 Difference]: Without dead ends: 8473 [2021-10-19 14:27:10,615 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 805.4ms TimeCoverageRelationStatistics Valid=755, Invalid=3535, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:27:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8473 states. [2021-10-19 14:27:10,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8473 to 2835. [2021-10-19 14:27:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 2823 states have (on average 1.9411973078285512) internal successors, (5480), 2834 states have internal predecessors, (5480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 5480 transitions. [2021-10-19 14:27:10,662 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 5480 transitions. Word has length 126 [2021-10-19 14:27:10,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:10,662 INFO L470 AbstractCegarLoop]: Abstraction has 2835 states and 5480 transitions. [2021-10-19 14:27:10,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5480 transitions. [2021-10-19 14:27:10,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:10,664 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:10,664 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:10,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-10-19 14:27:10,664 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:10,664 INFO L82 PathProgramCache]: Analyzing trace with hash 372516702, now seen corresponding path program 45 times [2021-10-19 14:27:10,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:10,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20983783] [2021-10-19 14:27:10,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:10,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:10,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:10,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20983783] [2021-10-19 14:27:10,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20983783] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:10,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:10,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:10,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528815607] [2021-10-19 14:27:10,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:10,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:10,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:10,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:10,878 INFO L87 Difference]: Start difference. First operand 2835 states and 5480 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:13,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:13,762 INFO L93 Difference]: Finished difference Result 8573 states and 16520 transitions. [2021-10-19 14:27:13,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:27:13,762 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:13,772 INFO L225 Difference]: With dead ends: 8573 [2021-10-19 14:27:13,772 INFO L226 Difference]: Without dead ends: 8573 [2021-10-19 14:27:13,772 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 808.9ms TimeCoverageRelationStatistics Valid=747, Invalid=3543, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:27:13,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8573 states. [2021-10-19 14:27:13,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8573 to 2823. [2021-10-19 14:27:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2811 states have (on average 1.9409462824617574) internal successors, (5456), 2822 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 5456 transitions. [2021-10-19 14:27:13,811 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 5456 transitions. Word has length 126 [2021-10-19 14:27:13,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:13,811 INFO L470 AbstractCegarLoop]: Abstraction has 2823 states and 5456 transitions. [2021-10-19 14:27:13,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5456 transitions. [2021-10-19 14:27:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:13,812 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:13,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:13,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-10-19 14:27:13,813 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:13,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:13,813 INFO L82 PathProgramCache]: Analyzing trace with hash -440891490, now seen corresponding path program 46 times [2021-10-19 14:27:13,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:13,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903400125] [2021-10-19 14:27:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:13,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:14,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:14,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903400125] [2021-10-19 14:27:14,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903400125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:14,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:14,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:14,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500376695] [2021-10-19 14:27:14,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:14,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:14,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:14,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:14,018 INFO L87 Difference]: Start difference. First operand 2823 states and 5456 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:16,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:16,542 INFO L93 Difference]: Finished difference Result 7463 states and 14433 transitions. [2021-10-19 14:27:16,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:27:16,542 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:16,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:16,549 INFO L225 Difference]: With dead ends: 7463 [2021-10-19 14:27:16,549 INFO L226 Difference]: Without dead ends: 7463 [2021-10-19 14:27:16,549 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 743.1ms TimeCoverageRelationStatistics Valid=612, Invalid=2928, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:27:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7463 states. [2021-10-19 14:27:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7463 to 2815. [2021-10-19 14:27:16,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2815 states, 2803 states have (on average 1.9407777381377096) internal successors, (5440), 2814 states have internal predecessors, (5440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2815 states and 5440 transitions. [2021-10-19 14:27:16,581 INFO L78 Accepts]: Start accepts. Automaton has 2815 states and 5440 transitions. Word has length 126 [2021-10-19 14:27:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:16,581 INFO L470 AbstractCegarLoop]: Abstraction has 2815 states and 5440 transitions. [2021-10-19 14:27:16,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 5440 transitions. [2021-10-19 14:27:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:16,582 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:16,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:16,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-10-19 14:27:16,582 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:16,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:16,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1056176488, now seen corresponding path program 47 times [2021-10-19 14:27:16,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:16,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809894457] [2021-10-19 14:27:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:16,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:16,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:16,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809894457] [2021-10-19 14:27:16,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809894457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:16,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:16,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:16,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057084398] [2021-10-19 14:27:16,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:16,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:16,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:16,809 INFO L87 Difference]: Start difference. First operand 2815 states and 5440 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:19,095 INFO L93 Difference]: Finished difference Result 7451 states and 14405 transitions. [2021-10-19 14:27:19,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:27:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:19,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:19,103 INFO L225 Difference]: With dead ends: 7451 [2021-10-19 14:27:19,103 INFO L226 Difference]: Without dead ends: 7451 [2021-10-19 14:27:19,103 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 866.8ms TimeCoverageRelationStatistics Valid=670, Invalid=3112, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:27:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7451 states. [2021-10-19 14:27:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7451 to 2817. [2021-10-19 14:27:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 2805 states have (on average 1.9408199643493762) internal successors, (5444), 2816 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:19,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 5444 transitions. [2021-10-19 14:27:19,138 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 5444 transitions. Word has length 126 [2021-10-19 14:27:19,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:19,138 INFO L470 AbstractCegarLoop]: Abstraction has 2817 states and 5444 transitions. [2021-10-19 14:27:19,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 5444 transitions. [2021-10-19 14:27:19,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:19,139 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:19,139 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:19,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-10-19 14:27:19,140 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:19,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:19,140 INFO L82 PathProgramCache]: Analyzing trace with hash -857211106, now seen corresponding path program 48 times [2021-10-19 14:27:19,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:19,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907861003] [2021-10-19 14:27:19,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:19,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:19,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:19,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907861003] [2021-10-19 14:27:19,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907861003] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:19,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:19,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:19,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618334728] [2021-10-19 14:27:19,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:19,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:19,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:19,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:19,351 INFO L87 Difference]: Start difference. First operand 2817 states and 5444 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:21,755 INFO L93 Difference]: Finished difference Result 7551 states and 14605 transitions. [2021-10-19 14:27:21,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:27:21,756 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:21,764 INFO L225 Difference]: With dead ends: 7551 [2021-10-19 14:27:21,764 INFO L226 Difference]: Without dead ends: 7551 [2021-10-19 14:27:21,765 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 851.5ms TimeCoverageRelationStatistics Valid=663, Invalid=3119, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:27:21,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2021-10-19 14:27:21,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 2813. [2021-10-19 14:27:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2801 states have (on average 1.94073545162442) internal successors, (5436), 2812 states have internal predecessors, (5436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 5436 transitions. [2021-10-19 14:27:21,806 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 5436 transitions. Word has length 126 [2021-10-19 14:27:21,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:21,806 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 5436 transitions. [2021-10-19 14:27:21,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:21,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 5436 transitions. [2021-10-19 14:27:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:21,807 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:21,807 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:21,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-10-19 14:27:21,807 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:21,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1829391384, now seen corresponding path program 49 times [2021-10-19 14:27:21,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:21,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414965056] [2021-10-19 14:27:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:21,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:22,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:22,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414965056] [2021-10-19 14:27:22,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414965056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:22,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:22,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:22,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569591900] [2021-10-19 14:27:22,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:22,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:22,045 INFO L87 Difference]: Start difference. First operand 2813 states and 5436 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:24,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:24,487 INFO L93 Difference]: Finished difference Result 7377 states and 14262 transitions. [2021-10-19 14:27:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:27:24,491 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:24,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:24,498 INFO L225 Difference]: With dead ends: 7377 [2021-10-19 14:27:24,498 INFO L226 Difference]: Without dead ends: 7357 [2021-10-19 14:27:24,499 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 773.1ms TimeCoverageRelationStatistics Valid=636, Invalid=2904, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:27:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7357 states. [2021-10-19 14:27:24,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7357 to 2975. [2021-10-19 14:27:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2975 states, 2963 states have (on average 1.95308808639892) internal successors, (5787), 2974 states have internal predecessors, (5787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 5787 transitions. [2021-10-19 14:27:24,533 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 5787 transitions. Word has length 126 [2021-10-19 14:27:24,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:24,533 INFO L470 AbstractCegarLoop]: Abstraction has 2975 states and 5787 transitions. [2021-10-19 14:27:24,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 5787 transitions. [2021-10-19 14:27:24,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:24,534 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:24,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:24,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-10-19 14:27:24,534 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:24,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:24,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1275781150, now seen corresponding path program 50 times [2021-10-19 14:27:24,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:24,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94402553] [2021-10-19 14:27:24,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:24,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:24,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:24,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94402553] [2021-10-19 14:27:24,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94402553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:24,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:24,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:24,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573911002] [2021-10-19 14:27:24,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:24,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:24,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:24,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:24,764 INFO L87 Difference]: Start difference. First operand 2975 states and 5787 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:27,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:27,395 INFO L93 Difference]: Finished difference Result 7157 states and 13819 transitions. [2021-10-19 14:27:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:27:27,396 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:27,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:27,403 INFO L225 Difference]: With dead ends: 7157 [2021-10-19 14:27:27,404 INFO L226 Difference]: Without dead ends: 7157 [2021-10-19 14:27:27,404 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 877.3ms TimeCoverageRelationStatistics Valid=677, Invalid=3105, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:27:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7157 states. [2021-10-19 14:27:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7157 to 2973. [2021-10-19 14:27:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2961 states have (on average 1.9530563998649104) internal successors, (5783), 2972 states have internal predecessors, (5783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:27,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 5783 transitions. [2021-10-19 14:27:27,441 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 5783 transitions. Word has length 126 [2021-10-19 14:27:27,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:27,441 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 5783 transitions. [2021-10-19 14:27:27,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 5783 transitions. [2021-10-19 14:27:27,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:27,442 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:27,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:27,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-10-19 14:27:27,443 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:27,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:27,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1175622784, now seen corresponding path program 51 times [2021-10-19 14:27:27,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:27,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337174274] [2021-10-19 14:27:27,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:27,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:27,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:27,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:27,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337174274] [2021-10-19 14:27:27,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337174274] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:27,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:27,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:27,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840243679] [2021-10-19 14:27:27,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:27,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:27,681 INFO L87 Difference]: Start difference. First operand 2973 states and 5783 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:30,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:30,210 INFO L93 Difference]: Finished difference Result 7078 states and 13665 transitions. [2021-10-19 14:27:30,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:27:30,211 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:30,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:30,217 INFO L225 Difference]: With dead ends: 7078 [2021-10-19 14:27:30,217 INFO L226 Difference]: Without dead ends: 7078 [2021-10-19 14:27:30,218 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 792.7ms TimeCoverageRelationStatistics Valid=623, Invalid=2917, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:27:30,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7078 states. [2021-10-19 14:27:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7078 to 2937. [2021-10-19 14:27:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9524786324786325) internal successors, (5711), 2936 states have internal predecessors, (5711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5711 transitions. [2021-10-19 14:27:30,249 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5711 transitions. Word has length 126 [2021-10-19 14:27:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:30,249 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5711 transitions. [2021-10-19 14:27:30,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5711 transitions. [2021-10-19 14:27:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:30,250 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:30,250 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:30,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-10-19 14:27:30,251 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:30,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:30,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1984031562, now seen corresponding path program 8 times [2021-10-19 14:27:30,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:30,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880125342] [2021-10-19 14:27:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:30,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:30,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:30,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880125342] [2021-10-19 14:27:30,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880125342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:30,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:30,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:30,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012560209] [2021-10-19 14:27:30,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:30,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:30,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:30,453 INFO L87 Difference]: Start difference. First operand 2937 states and 5711 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:32,128 INFO L93 Difference]: Finished difference Result 5897 states and 11516 transitions. [2021-10-19 14:27:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:27:32,128 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:32,133 INFO L225 Difference]: With dead ends: 5897 [2021-10-19 14:27:32,133 INFO L226 Difference]: Without dead ends: 5897 [2021-10-19 14:27:32,133 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1291 ImplicationChecksByTransitivity, 686.8ms TimeCoverageRelationStatistics Valid=756, Invalid=3800, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:27:32,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5897 states. [2021-10-19 14:27:32,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5897 to 3051. [2021-10-19 14:27:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 3039 states have (on average 1.9542612701546562) internal successors, (5939), 3050 states have internal predecessors, (5939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 5939 transitions. [2021-10-19 14:27:32,162 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 5939 transitions. Word has length 126 [2021-10-19 14:27:32,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:32,162 INFO L470 AbstractCegarLoop]: Abstraction has 3051 states and 5939 transitions. [2021-10-19 14:27:32,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 5939 transitions. [2021-10-19 14:27:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:32,163 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:32,163 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:32,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-10-19 14:27:32,163 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:32,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:32,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1668792400, now seen corresponding path program 52 times [2021-10-19 14:27:32,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:32,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219885983] [2021-10-19 14:27:32,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:32,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:32,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:32,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219885983] [2021-10-19 14:27:32,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219885983] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:32,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:32,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:32,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859030386] [2021-10-19 14:27:32,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:32,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:32,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:32,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:32,383 INFO L87 Difference]: Start difference. First operand 3051 states and 5939 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:34,524 INFO L93 Difference]: Finished difference Result 6801 states and 13234 transitions. [2021-10-19 14:27:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:27:34,524 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:34,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:34,531 INFO L225 Difference]: With dead ends: 6801 [2021-10-19 14:27:34,531 INFO L226 Difference]: Without dead ends: 6781 [2021-10-19 14:27:34,532 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 739.9ms TimeCoverageRelationStatistics Valid=703, Invalid=3853, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:27:34,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2021-10-19 14:27:34,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 3003. [2021-10-19 14:27:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2991 states have (on average 1.9535272484119024) internal successors, (5843), 3002 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5843 transitions. [2021-10-19 14:27:34,563 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5843 transitions. Word has length 126 [2021-10-19 14:27:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:34,563 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 5843 transitions. [2021-10-19 14:27:34,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5843 transitions. [2021-10-19 14:27:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:34,564 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:34,564 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:34,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-10-19 14:27:34,565 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:34,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:34,565 INFO L82 PathProgramCache]: Analyzing trace with hash 538878472, now seen corresponding path program 53 times [2021-10-19 14:27:34,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:34,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426042276] [2021-10-19 14:27:34,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:34,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:34,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:34,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426042276] [2021-10-19 14:27:34,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426042276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:34,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:34,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:34,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153389917] [2021-10-19 14:27:34,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:34,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:34,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:34,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:34,766 INFO L87 Difference]: Start difference. First operand 3003 states and 5843 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:37,017 INFO L93 Difference]: Finished difference Result 7499 states and 14558 transitions. [2021-10-19 14:27:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:37,017 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:37,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:37,025 INFO L225 Difference]: With dead ends: 7499 [2021-10-19 14:27:37,025 INFO L226 Difference]: Without dead ends: 7499 [2021-10-19 14:27:37,026 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 837.9ms TimeCoverageRelationStatistics Valid=734, Invalid=3958, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:27:37,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2021-10-19 14:27:37,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 3005. [2021-10-19 14:27:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2993 states have (on average 1.9535583027063148) internal successors, (5847), 3004 states have internal predecessors, (5847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5847 transitions. [2021-10-19 14:27:37,078 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5847 transitions. Word has length 126 [2021-10-19 14:27:37,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:37,079 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 5847 transitions. [2021-10-19 14:27:37,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5847 transitions. [2021-10-19 14:27:37,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:37,081 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:37,081 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:37,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-10-19 14:27:37,082 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:37,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:37,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2035946450, now seen corresponding path program 54 times [2021-10-19 14:27:37,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:37,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231479720] [2021-10-19 14:27:37,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:37,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:37,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:37,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:37,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231479720] [2021-10-19 14:27:37,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231479720] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:37,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:37,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:37,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278325801] [2021-10-19 14:27:37,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:37,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:37,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:37,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:37,290 INFO L87 Difference]: Start difference. First operand 3005 states and 5847 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:39,714 INFO L93 Difference]: Finished difference Result 7096 states and 13752 transitions. [2021-10-19 14:27:39,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:39,715 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:39,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:39,721 INFO L225 Difference]: With dead ends: 7096 [2021-10-19 14:27:39,721 INFO L226 Difference]: Without dead ends: 7096 [2021-10-19 14:27:39,722 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 839.0ms TimeCoverageRelationStatistics Valid=748, Invalid=3944, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:27:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2021-10-19 14:27:39,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 3007. [2021-10-19 14:27:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3007 states, 2995 states have (on average 1.9535893155258766) internal successors, (5851), 3006 states have internal predecessors, (5851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 3007 states and 5851 transitions. [2021-10-19 14:27:39,753 INFO L78 Accepts]: Start accepts. Automaton has 3007 states and 5851 transitions. Word has length 126 [2021-10-19 14:27:39,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:39,753 INFO L470 AbstractCegarLoop]: Abstraction has 3007 states and 5851 transitions. [2021-10-19 14:27:39,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:39,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3007 states and 5851 transitions. [2021-10-19 14:27:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:39,754 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:39,754 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:39,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-10-19 14:27:39,755 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:39,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:39,755 INFO L82 PathProgramCache]: Analyzing trace with hash 122558856, now seen corresponding path program 55 times [2021-10-19 14:27:39,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:39,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257516781] [2021-10-19 14:27:39,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:39,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:39,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:39,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257516781] [2021-10-19 14:27:39,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257516781] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:39,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:39,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:39,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18689084] [2021-10-19 14:27:39,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:39,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:39,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:39,966 INFO L87 Difference]: Start difference. First operand 3007 states and 5851 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:42,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:42,164 INFO L93 Difference]: Finished difference Result 7231 states and 14022 transitions. [2021-10-19 14:27:42,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:42,164 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:42,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:42,172 INFO L225 Difference]: With dead ends: 7231 [2021-10-19 14:27:42,172 INFO L226 Difference]: Without dead ends: 7231 [2021-10-19 14:27:42,172 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1298 ImplicationChecksByTransitivity, 860.3ms TimeCoverageRelationStatistics Valid=740, Invalid=3952, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:27:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7231 states. [2021-10-19 14:27:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7231 to 2995. [2021-10-19 14:27:42,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2983 states have (on average 1.953402614817298) internal successors, (5827), 2994 states have internal predecessors, (5827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 5827 transitions. [2021-10-19 14:27:42,205 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 5827 transitions. Word has length 126 [2021-10-19 14:27:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:42,206 INFO L470 AbstractCegarLoop]: Abstraction has 2995 states and 5827 transitions. [2021-10-19 14:27:42,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:42,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 5827 transitions. [2021-10-19 14:27:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:42,207 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:42,207 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:42,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-10-19 14:27:42,207 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:42,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:42,207 INFO L82 PathProgramCache]: Analyzing trace with hash -690849336, now seen corresponding path program 56 times [2021-10-19 14:27:42,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:42,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122553126] [2021-10-19 14:27:42,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:42,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:42,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:42,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:42,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122553126] [2021-10-19 14:27:42,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122553126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:42,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:42,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:42,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917252385] [2021-10-19 14:27:42,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:42,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:42,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:42,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:42,410 INFO L87 Difference]: Start difference. First operand 2995 states and 5827 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:44,692 INFO L93 Difference]: Finished difference Result 7539 states and 14636 transitions. [2021-10-19 14:27:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:27:44,693 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:44,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:44,700 INFO L225 Difference]: With dead ends: 7539 [2021-10-19 14:27:44,700 INFO L226 Difference]: Without dead ends: 7539 [2021-10-19 14:27:44,700 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 870.1ms TimeCoverageRelationStatistics Valid=734, Invalid=3822, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:27:44,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7539 states. [2021-10-19 14:27:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7539 to 3000. [2021-10-19 14:27:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3000 states, 2988 states have (on average 1.9534805890227578) internal successors, (5837), 2999 states have internal predecessors, (5837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 3000 states and 5837 transitions. [2021-10-19 14:27:44,731 INFO L78 Accepts]: Start accepts. Automaton has 3000 states and 5837 transitions. Word has length 126 [2021-10-19 14:27:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:44,731 INFO L470 AbstractCegarLoop]: Abstraction has 3000 states and 5837 transitions. [2021-10-19 14:27:44,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 5837 transitions. [2021-10-19 14:27:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:44,732 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:44,732 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:44,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-10-19 14:27:44,732 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:44,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:44,732 INFO L82 PathProgramCache]: Analyzing trace with hash 806218642, now seen corresponding path program 57 times [2021-10-19 14:27:44,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:44,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849673472] [2021-10-19 14:27:44,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:44,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:44,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:44,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849673472] [2021-10-19 14:27:44,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849673472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:44,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:44,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:44,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121740213] [2021-10-19 14:27:44,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:44,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:44,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:44,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:44,944 INFO L87 Difference]: Start difference. First operand 3000 states and 5837 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:47,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:47,121 INFO L93 Difference]: Finished difference Result 7220 states and 13994 transitions. [2021-10-19 14:27:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:27:47,122 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:47,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:47,129 INFO L225 Difference]: With dead ends: 7220 [2021-10-19 14:27:47,129 INFO L226 Difference]: Without dead ends: 7220 [2021-10-19 14:27:47,129 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 992.8ms TimeCoverageRelationStatistics Valid=792, Invalid=4038, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:27:47,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2021-10-19 14:27:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 3002. [2021-10-19 14:27:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3002 states, 2990 states have (on average 1.9535117056856188) internal successors, (5841), 3001 states have internal predecessors, (5841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 5841 transitions. [2021-10-19 14:27:47,162 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 5841 transitions. Word has length 126 [2021-10-19 14:27:47,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:47,162 INFO L470 AbstractCegarLoop]: Abstraction has 3002 states and 5841 transitions. [2021-10-19 14:27:47,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 5841 transitions. [2021-10-19 14:27:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:47,163 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:47,163 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:47,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-10-19 14:27:47,163 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:47,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1107168952, now seen corresponding path program 58 times [2021-10-19 14:27:47,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:47,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98884157] [2021-10-19 14:27:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:47,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:47,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:47,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98884157] [2021-10-19 14:27:47,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98884157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:47,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:47,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:47,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108732419] [2021-10-19 14:27:47,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:47,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:47,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:47,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:47,400 INFO L87 Difference]: Start difference. First operand 3002 states and 5841 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:49,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:49,738 INFO L93 Difference]: Finished difference Result 7355 states and 14264 transitions. [2021-10-19 14:27:49,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:27:49,739 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:49,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:49,747 INFO L225 Difference]: With dead ends: 7355 [2021-10-19 14:27:49,747 INFO L226 Difference]: Without dead ends: 7355 [2021-10-19 14:27:49,747 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1328 ImplicationChecksByTransitivity, 1005.8ms TimeCoverageRelationStatistics Valid=785, Invalid=4045, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:27:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-10-19 14:27:49,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 2998. [2021-10-19 14:27:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2986 states have (on average 1.9534494306764902) internal successors, (5833), 2997 states have internal predecessors, (5833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 5833 transitions. [2021-10-19 14:27:49,782 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 5833 transitions. Word has length 126 [2021-10-19 14:27:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:49,782 INFO L470 AbstractCegarLoop]: Abstraction has 2998 states and 5833 transitions. [2021-10-19 14:27:49,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 5833 transitions. [2021-10-19 14:27:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:49,783 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:49,783 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:49,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-10-19 14:27:49,783 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:49,783 INFO L82 PathProgramCache]: Analyzing trace with hash -2079349230, now seen corresponding path program 59 times [2021-10-19 14:27:49,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:49,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269315660] [2021-10-19 14:27:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:49,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:50,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:50,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269315660] [2021-10-19 14:27:50,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269315660] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:50,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:50,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:50,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440842863] [2021-10-19 14:27:50,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:50,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:50,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:50,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:50,028 INFO L87 Difference]: Start difference. First operand 2998 states and 5833 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:52,743 INFO L93 Difference]: Finished difference Result 7134 states and 13826 transitions. [2021-10-19 14:27:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:27:52,743 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:52,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:52,750 INFO L225 Difference]: With dead ends: 7134 [2021-10-19 14:27:52,750 INFO L226 Difference]: Without dead ends: 7134 [2021-10-19 14:27:52,750 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307 ImplicationChecksByTransitivity, 972.5ms TimeCoverageRelationStatistics Valid=820, Invalid=4010, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:27:52,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7134 states. [2021-10-19 14:27:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7134 to 3001. [2021-10-19 14:27:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2989 states have (on average 1.9534961525593844) internal successors, (5839), 3000 states have internal predecessors, (5839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 5839 transitions. [2021-10-19 14:27:52,781 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 5839 transitions. Word has length 126 [2021-10-19 14:27:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:52,781 INFO L470 AbstractCegarLoop]: Abstraction has 3001 states and 5839 transitions. [2021-10-19 14:27:52,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 5839 transitions. [2021-10-19 14:27:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:52,782 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:52,782 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:52,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-10-19 14:27:52,782 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:52,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1525738996, now seen corresponding path program 60 times [2021-10-19 14:27:52,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:52,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138417449] [2021-10-19 14:27:52,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:52,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:53,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:53,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138417449] [2021-10-19 14:27:53,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138417449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:53,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:53,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:53,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201880651] [2021-10-19 14:27:53,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:53,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:53,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:53,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:53,045 INFO L87 Difference]: Start difference. First operand 3001 states and 5839 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:55,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:55,572 INFO L93 Difference]: Finished difference Result 7182 states and 13918 transitions. [2021-10-19 14:27:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:27:55,572 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:55,580 INFO L225 Difference]: With dead ends: 7182 [2021-10-19 14:27:55,580 INFO L226 Difference]: Without dead ends: 7182 [2021-10-19 14:27:55,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1365 ImplicationChecksByTransitivity, 1071.4ms TimeCoverageRelationStatistics Valid=828, Invalid=4142, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:27:55,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2021-10-19 14:27:55,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 3003. [2021-10-19 14:27:55,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2991 states have (on average 1.9535272484119024) internal successors, (5843), 3002 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 5843 transitions. [2021-10-19 14:27:55,614 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 5843 transitions. Word has length 126 [2021-10-19 14:27:55,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:55,615 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 5843 transitions. [2021-10-19 14:27:55,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 5843 transitions. [2021-10-19 14:27:55,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:55,616 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:55,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:55,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-10-19 14:27:55,616 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:55,616 INFO L82 PathProgramCache]: Analyzing trace with hash 925664938, now seen corresponding path program 61 times [2021-10-19 14:27:55,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:55,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063176027] [2021-10-19 14:27:55,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:55,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:55,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:55,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063176027] [2021-10-19 14:27:55,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063176027] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:55,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:55,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:55,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278395988] [2021-10-19 14:27:55,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:55,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:55,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:55,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:55,838 INFO L87 Difference]: Start difference. First operand 3003 states and 5843 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:58,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:27:58,269 INFO L93 Difference]: Finished difference Result 7261 states and 14080 transitions. [2021-10-19 14:27:58,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:27:58,269 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:27:58,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:27:58,276 INFO L225 Difference]: With dead ends: 7261 [2021-10-19 14:27:58,276 INFO L226 Difference]: Without dead ends: 7261 [2021-10-19 14:27:58,277 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 925.5ms TimeCoverageRelationStatistics Valid=774, Invalid=3918, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:27:58,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2021-10-19 14:27:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 2983. [2021-10-19 14:27:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2971 states have (on average 1.9532144059239314) internal successors, (5803), 2982 states have internal predecessors, (5803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 5803 transitions. [2021-10-19 14:27:58,307 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 5803 transitions. Word has length 126 [2021-10-19 14:27:58,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:27:58,308 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 5803 transitions. [2021-10-19 14:27:58,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:27:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 5803 transitions. [2021-10-19 14:27:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:27:58,309 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:27:58,309 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:27:58,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-10-19 14:27:58,309 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:27:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:27:58,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1919783754, now seen corresponding path program 62 times [2021-10-19 14:27:58,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:27:58,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945228420] [2021-10-19 14:27:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:27:58,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:27:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:27:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:27:58,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:27:58,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945228420] [2021-10-19 14:27:58,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945228420] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:27:58,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:27:58,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:27:58,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737055040] [2021-10-19 14:27:58,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:27:58,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:27:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:27:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:27:58,531 INFO L87 Difference]: Start difference. First operand 2983 states and 5803 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:00,504 INFO L93 Difference]: Finished difference Result 5819 states and 11333 transitions. [2021-10-19 14:28:00,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:28:00,504 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:00,510 INFO L225 Difference]: With dead ends: 5819 [2021-10-19 14:28:00,510 INFO L226 Difference]: Without dead ends: 5819 [2021-10-19 14:28:00,510 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 801.8ms TimeCoverageRelationStatistics Valid=531, Invalid=2891, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:28:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5819 states. [2021-10-19 14:28:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5819 to 2975. [2021-10-19 14:28:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2975 states, 2963 states have (on average 1.95308808639892) internal successors, (5787), 2974 states have internal predecessors, (5787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 5787 transitions. [2021-10-19 14:28:00,538 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 5787 transitions. Word has length 126 [2021-10-19 14:28:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:00,538 INFO L470 AbstractCegarLoop]: Abstraction has 2975 states and 5787 transitions. [2021-10-19 14:28:00,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 5787 transitions. [2021-10-19 14:28:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:00,539 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:00,539 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:00,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-10-19 14:28:00,539 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:00,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:00,540 INFO L82 PathProgramCache]: Analyzing trace with hash -878115564, now seen corresponding path program 63 times [2021-10-19 14:28:00,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:00,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320818522] [2021-10-19 14:28:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:00,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:00,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:00,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320818522] [2021-10-19 14:28:00,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320818522] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:00,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:00,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:00,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011226808] [2021-10-19 14:28:00,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:00,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:00,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:00,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:00,754 INFO L87 Difference]: Start difference. First operand 2975 states and 5787 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:02,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:02,635 INFO L93 Difference]: Finished difference Result 5508 states and 10707 transitions. [2021-10-19 14:28:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:28:02,635 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:02,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:02,640 INFO L225 Difference]: With dead ends: 5508 [2021-10-19 14:28:02,640 INFO L226 Difference]: Without dead ends: 5508 [2021-10-19 14:28:02,641 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 897.9ms TimeCoverageRelationStatistics Valid=580, Invalid=3080, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:28:02,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2021-10-19 14:28:02,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 2977. [2021-10-19 14:28:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2965 states have (on average 1.9531197301854974) internal successors, (5791), 2976 states have internal predecessors, (5791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:02,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 5791 transitions. [2021-10-19 14:28:02,668 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 5791 transitions. Word has length 126 [2021-10-19 14:28:02,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:02,668 INFO L470 AbstractCegarLoop]: Abstraction has 2977 states and 5791 transitions. [2021-10-19 14:28:02,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:02,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 5791 transitions. [2021-10-19 14:28:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:02,669 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:02,669 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:02,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-10-19 14:28:02,669 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:02,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:02,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1503464138, now seen corresponding path program 64 times [2021-10-19 14:28:02,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:02,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149068474] [2021-10-19 14:28:02,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:02,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:02,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:02,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149068474] [2021-10-19 14:28:02,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149068474] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:02,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:02,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:02,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058980091] [2021-10-19 14:28:02,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:02,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:02,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:02,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:02,883 INFO L87 Difference]: Start difference. First operand 2977 states and 5791 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:04,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:04,770 INFO L93 Difference]: Finished difference Result 5643 states and 10977 transitions. [2021-10-19 14:28:04,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:28:04,770 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:04,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:04,775 INFO L225 Difference]: With dead ends: 5643 [2021-10-19 14:28:04,775 INFO L226 Difference]: Without dead ends: 5643 [2021-10-19 14:28:04,776 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 870.4ms TimeCoverageRelationStatistics Valid=573, Invalid=3087, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:28:04,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5643 states. [2021-10-19 14:28:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5643 to 2973. [2021-10-19 14:28:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2961 states have (on average 1.9530563998649104) internal successors, (5783), 2972 states have internal predecessors, (5783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 5783 transitions. [2021-10-19 14:28:04,804 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 5783 transitions. Word has length 126 [2021-10-19 14:28:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:04,804 INFO L470 AbstractCegarLoop]: Abstraction has 2973 states and 5783 transitions. [2021-10-19 14:28:04,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 5783 transitions. [2021-10-19 14:28:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:04,805 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:04,805 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:04,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-10-19 14:28:04,805 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:04,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 531283860, now seen corresponding path program 65 times [2021-10-19 14:28:04,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:04,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837569143] [2021-10-19 14:28:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:04,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:05,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:05,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837569143] [2021-10-19 14:28:05,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837569143] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:05,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:05,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:05,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135251452] [2021-10-19 14:28:05,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:05,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:05,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:05,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:05,044 INFO L87 Difference]: Start difference. First operand 2973 states and 5783 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:07,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:07,010 INFO L93 Difference]: Finished difference Result 5548 states and 10785 transitions. [2021-10-19 14:28:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:28:07,010 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:07,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:07,016 INFO L225 Difference]: With dead ends: 5548 [2021-10-19 14:28:07,016 INFO L226 Difference]: Without dead ends: 5548 [2021-10-19 14:28:07,017 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 926.2ms TimeCoverageRelationStatistics Valid=648, Invalid=3258, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:28:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5548 states. [2021-10-19 14:28:07,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5548 to 2976. [2021-10-19 14:28:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2964 states have (on average 1.9531039136302295) internal successors, (5789), 2975 states have internal predecessors, (5789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:07,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 5789 transitions. [2021-10-19 14:28:07,055 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 5789 transitions. Word has length 126 [2021-10-19 14:28:07,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:07,055 INFO L470 AbstractCegarLoop]: Abstraction has 2976 states and 5789 transitions. [2021-10-19 14:28:07,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:07,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 5789 transitions. [2021-10-19 14:28:07,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:07,056 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:07,056 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:07,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-10-19 14:28:07,056 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:07,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:07,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1084894094, now seen corresponding path program 66 times [2021-10-19 14:28:07,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:07,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22433894] [2021-10-19 14:28:07,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:07,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:07,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:07,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22433894] [2021-10-19 14:28:07,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22433894] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:07,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:07,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:07,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809547011] [2021-10-19 14:28:07,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:07,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:07,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:07,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:07,282 INFO L87 Difference]: Start difference. First operand 2976 states and 5789 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:09,398 INFO L93 Difference]: Finished difference Result 5596 states and 10877 transitions. [2021-10-19 14:28:09,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:28:09,398 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:09,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:09,403 INFO L225 Difference]: With dead ends: 5596 [2021-10-19 14:28:09,404 INFO L226 Difference]: Without dead ends: 5596 [2021-10-19 14:28:09,404 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 985.8ms TimeCoverageRelationStatistics Valid=654, Invalid=3378, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:28:09,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5596 states. [2021-10-19 14:28:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5596 to 2978. [2021-10-19 14:28:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2978 states, 2966 states have (on average 1.9531355360755225) internal successors, (5793), 2977 states have internal predecessors, (5793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2978 states and 5793 transitions. [2021-10-19 14:28:09,434 INFO L78 Accepts]: Start accepts. Automaton has 2978 states and 5793 transitions. Word has length 126 [2021-10-19 14:28:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:09,434 INFO L470 AbstractCegarLoop]: Abstraction has 2978 states and 5793 transitions. [2021-10-19 14:28:09,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2978 states and 5793 transitions. [2021-10-19 14:28:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:09,435 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:09,435 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:09,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-10-19 14:28:09,435 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:09,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:09,435 INFO L82 PathProgramCache]: Analyzing trace with hash -758669268, now seen corresponding path program 67 times [2021-10-19 14:28:09,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:09,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503234347] [2021-10-19 14:28:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:09,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:09,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:09,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503234347] [2021-10-19 14:28:09,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503234347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:09,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:09,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:09,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812042028] [2021-10-19 14:28:09,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:09,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:09,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:09,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:09,663 INFO L87 Difference]: Start difference. First operand 2978 states and 5793 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:11,676 INFO L93 Difference]: Finished difference Result 5675 states and 11039 transitions. [2021-10-19 14:28:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:28:11,676 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:11,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:11,682 INFO L225 Difference]: With dead ends: 5675 [2021-10-19 14:28:11,682 INFO L226 Difference]: Without dead ends: 5675 [2021-10-19 14:28:11,682 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 957 ImplicationChecksByTransitivity, 884.3ms TimeCoverageRelationStatistics Valid=606, Invalid=3176, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:28:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2021-10-19 14:28:11,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 2970. [2021-10-19 14:28:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2958 states have (on average 1.9530087897227857) internal successors, (5777), 2969 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5777 transitions. [2021-10-19 14:28:11,710 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5777 transitions. Word has length 126 [2021-10-19 14:28:11,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:11,710 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5777 transitions. [2021-10-19 14:28:11,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5777 transitions. [2021-10-19 14:28:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:11,711 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:11,711 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:11,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-10-19 14:28:11,711 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:11,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1045033514, now seen corresponding path program 68 times [2021-10-19 14:28:11,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:11,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097273305] [2021-10-19 14:28:11,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:11,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:11,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:11,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097273305] [2021-10-19 14:28:11,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097273305] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:11,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:11,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:11,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341435067] [2021-10-19 14:28:11,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:11,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:11,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:11,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:11,940 INFO L87 Difference]: Start difference. First operand 2970 states and 5777 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:13,917 INFO L93 Difference]: Finished difference Result 5518 states and 10725 transitions. [2021-10-19 14:28:13,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:28:13,917 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:13,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:13,923 INFO L225 Difference]: With dead ends: 5518 [2021-10-19 14:28:13,923 INFO L226 Difference]: Without dead ends: 5518 [2021-10-19 14:28:13,923 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 891.4ms TimeCoverageRelationStatistics Valid=589, Invalid=3071, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:28:13,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2021-10-19 14:28:13,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 2970. [2021-10-19 14:28:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2958 states have (on average 1.9530087897227857) internal successors, (5777), 2969 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5777 transitions. [2021-10-19 14:28:13,951 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5777 transitions. Word has length 126 [2021-10-19 14:28:13,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:13,951 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5777 transitions. [2021-10-19 14:28:13,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5777 transitions. [2021-10-19 14:28:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:13,952 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:13,952 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:13,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-10-19 14:28:13,952 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:13,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1227448314, now seen corresponding path program 69 times [2021-10-19 14:28:13,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:13,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922766500] [2021-10-19 14:28:13,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:13,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:14,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:14,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922766500] [2021-10-19 14:28:14,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922766500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:14,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:14,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:14,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745648670] [2021-10-19 14:28:14,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:14,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:14,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:14,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:14,174 INFO L87 Difference]: Start difference. First operand 2970 states and 5777 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:15,996 INFO L93 Difference]: Finished difference Result 5482 states and 10655 transitions. [2021-10-19 14:28:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:28:15,996 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:16,001 INFO L225 Difference]: With dead ends: 5482 [2021-10-19 14:28:16,001 INFO L226 Difference]: Without dead ends: 5482 [2021-10-19 14:28:16,002 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 907.5ms TimeCoverageRelationStatistics Valid=554, Invalid=2986, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:28:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2021-10-19 14:28:16,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 2970. [2021-10-19 14:28:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2958 states have (on average 1.9530087897227857) internal successors, (5777), 2969 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5777 transitions. [2021-10-19 14:28:16,029 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5777 transitions. Word has length 126 [2021-10-19 14:28:16,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:16,030 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5777 transitions. [2021-10-19 14:28:16,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:16,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5777 transitions. [2021-10-19 14:28:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:16,031 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:16,031 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:16,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-10-19 14:28:16,031 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:16,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1223955620, now seen corresponding path program 70 times [2021-10-19 14:28:16,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:16,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871951575] [2021-10-19 14:28:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:16,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:16,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:16,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871951575] [2021-10-19 14:28:16,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871951575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:16,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:16,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:16,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821080268] [2021-10-19 14:28:16,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:16,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:16,271 INFO L87 Difference]: Start difference. First operand 2970 states and 5777 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:18,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:18,211 INFO L93 Difference]: Finished difference Result 5653 states and 11001 transitions. [2021-10-19 14:28:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:28:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:18,217 INFO L225 Difference]: With dead ends: 5653 [2021-10-19 14:28:18,217 INFO L226 Difference]: Without dead ends: 5653 [2021-10-19 14:28:18,218 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 811.8ms TimeCoverageRelationStatistics Valid=513, Invalid=2793, Unknown=0, NotChecked=0, Total=3306 [2021-10-19 14:28:18,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5653 states. [2021-10-19 14:28:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5653 to 2957. [2021-10-19 14:28:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9528013582342953) internal successors, (5751), 2956 states have internal predecessors, (5751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5751 transitions. [2021-10-19 14:28:18,255 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5751 transitions. Word has length 126 [2021-10-19 14:28:18,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:18,255 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5751 transitions. [2021-10-19 14:28:18,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5751 transitions. [2021-10-19 14:28:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:18,256 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:18,256 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:18,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-10-19 14:28:18,256 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:18,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:18,257 INFO L82 PathProgramCache]: Analyzing trace with hash -150488118, now seen corresponding path program 71 times [2021-10-19 14:28:18,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:18,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81890996] [2021-10-19 14:28:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:18,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:18,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:18,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81890996] [2021-10-19 14:28:18,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81890996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:18,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:18,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:18,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14937247] [2021-10-19 14:28:18,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:18,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:18,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:18,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:18,486 INFO L87 Difference]: Start difference. First operand 2957 states and 5751 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:20,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:20,408 INFO L93 Difference]: Finished difference Result 5392 states and 10479 transitions. [2021-10-19 14:28:20,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:28:20,409 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:20,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:20,414 INFO L225 Difference]: With dead ends: 5392 [2021-10-19 14:28:20,414 INFO L226 Difference]: Without dead ends: 5392 [2021-10-19 14:28:20,414 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 806.9ms TimeCoverageRelationStatistics Valid=504, Invalid=2688, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:28:20,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5392 states. [2021-10-19 14:28:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5392 to 2937. [2021-10-19 14:28:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2937 states, 2925 states have (on average 1.9524786324786325) internal successors, (5711), 2936 states have internal predecessors, (5711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2937 states and 5711 transitions. [2021-10-19 14:28:20,440 INFO L78 Accepts]: Start accepts. Automaton has 2937 states and 5711 transitions. Word has length 126 [2021-10-19 14:28:20,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:20,440 INFO L470 AbstractCegarLoop]: Abstraction has 2937 states and 5711 transitions. [2021-10-19 14:28:20,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:20,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 5711 transitions. [2021-10-19 14:28:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:20,441 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:20,441 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:20,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-10-19 14:28:20,441 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:20,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1342698478, now seen corresponding path program 9 times [2021-10-19 14:28:20,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:20,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837713493] [2021-10-19 14:28:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:20,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:20,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:20,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:20,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837713493] [2021-10-19 14:28:20,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837713493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:20,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:20,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:20,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189847387] [2021-10-19 14:28:20,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:20,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:20,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:20,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:20,751 INFO L87 Difference]: Start difference. First operand 2937 states and 5711 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:22,359 INFO L93 Difference]: Finished difference Result 4930 states and 9605 transitions. [2021-10-19 14:28:22,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-19 14:28:22,359 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:22,363 INFO L225 Difference]: With dead ends: 4930 [2021-10-19 14:28:22,363 INFO L226 Difference]: Without dead ends: 4930 [2021-10-19 14:28:22,364 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 818.6ms TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2021-10-19 14:28:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2021-10-19 14:28:22,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 2929. [2021-10-19 14:28:22,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 2917 states have (on average 1.95234830305108) internal successors, (5695), 2928 states have internal predecessors, (5695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 5695 transitions. [2021-10-19 14:28:22,389 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 5695 transitions. Word has length 126 [2021-10-19 14:28:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:22,389 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 5695 transitions. [2021-10-19 14:28:22,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 5695 transitions. [2021-10-19 14:28:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:22,390 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:22,390 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:22,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-10-19 14:28:22,390 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:22,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:22,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1954746516, now seen corresponding path program 10 times [2021-10-19 14:28:22,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:22,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996521147] [2021-10-19 14:28:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:22,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:22,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:22,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996521147] [2021-10-19 14:28:22,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996521147] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:22,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:22,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:22,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065159416] [2021-10-19 14:28:22,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:22,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:22,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:22,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:22,739 INFO L87 Difference]: Start difference. First operand 2929 states and 5695 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:24,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:24,552 INFO L93 Difference]: Finished difference Result 4866 states and 9481 transitions. [2021-10-19 14:28:24,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:28:24,552 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:24,557 INFO L225 Difference]: With dead ends: 4866 [2021-10-19 14:28:24,557 INFO L226 Difference]: Without dead ends: 4866 [2021-10-19 14:28:24,557 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 986.7ms TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:28:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4866 states. [2021-10-19 14:28:24,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4866 to 2921. [2021-10-19 14:28:24,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2909 states have (on average 1.9522172567892746) internal successors, (5679), 2920 states have internal predecessors, (5679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:24,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5679 transitions. [2021-10-19 14:28:24,583 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5679 transitions. Word has length 126 [2021-10-19 14:28:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:24,583 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5679 transitions. [2021-10-19 14:28:24,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5679 transitions. [2021-10-19 14:28:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:24,584 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:24,585 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:24,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-10-19 14:28:24,585 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash 391240844, now seen corresponding path program 11 times [2021-10-19 14:28:24,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:24,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628083017] [2021-10-19 14:28:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:24,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:24,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:24,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628083017] [2021-10-19 14:28:24,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628083017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:24,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:24,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:24,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369441716] [2021-10-19 14:28:24,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:24,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:24,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:24,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:24,931 INFO L87 Difference]: Start difference. First operand 2921 states and 5679 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:26,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:26,782 INFO L93 Difference]: Finished difference Result 4761 states and 9278 transitions. [2021-10-19 14:28:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-19 14:28:26,782 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:26,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:26,786 INFO L225 Difference]: With dead ends: 4761 [2021-10-19 14:28:26,786 INFO L226 Difference]: Without dead ends: 4761 [2021-10-19 14:28:26,787 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 972.2ms TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:28:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2021-10-19 14:28:26,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 2897. [2021-10-19 14:28:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2885 states have (on average 1.9504332755632583) internal successors, (5627), 2896 states have internal predecessors, (5627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 5627 transitions. [2021-10-19 14:28:26,812 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 5627 transitions. Word has length 126 [2021-10-19 14:28:26,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:26,812 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 5627 transitions. [2021-10-19 14:28:26,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 5627 transitions. [2021-10-19 14:28:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:26,813 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:26,813 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:26,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-10-19 14:28:26,813 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:26,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:26,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1287649394, now seen corresponding path program 12 times [2021-10-19 14:28:26,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:26,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998328998] [2021-10-19 14:28:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:26,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:27,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:27,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998328998] [2021-10-19 14:28:27,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998328998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:27,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:27,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:27,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724282377] [2021-10-19 14:28:27,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:27,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:27,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:27,207 INFO L87 Difference]: Start difference. First operand 2897 states and 5627 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:28,985 INFO L93 Difference]: Finished difference Result 4669 states and 9097 transitions. [2021-10-19 14:28:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:28:28,985 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:28,989 INFO L225 Difference]: With dead ends: 4669 [2021-10-19 14:28:28,989 INFO L226 Difference]: Without dead ends: 4669 [2021-10-19 14:28:28,989 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 1015.6ms TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:28:28,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4669 states. [2021-10-19 14:28:29,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4669 to 2983. [2021-10-19 14:28:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2983 states, 2971 states have (on average 1.9518680578929652) internal successors, (5799), 2982 states have internal predecessors, (5799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 5799 transitions. [2021-10-19 14:28:29,014 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 5799 transitions. Word has length 126 [2021-10-19 14:28:29,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:29,014 INFO L470 AbstractCegarLoop]: Abstraction has 2983 states and 5799 transitions. [2021-10-19 14:28:29,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 5799 transitions. [2021-10-19 14:28:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:29,015 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:29,015 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:29,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-10-19 14:28:29,015 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:29,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:29,015 INFO L82 PathProgramCache]: Analyzing trace with hash -2071255784, now seen corresponding path program 13 times [2021-10-19 14:28:29,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:29,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853235853] [2021-10-19 14:28:29,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:29,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:29,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:29,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:29,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853235853] [2021-10-19 14:28:29,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853235853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:29,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:29,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:29,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85457383] [2021-10-19 14:28:29,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:29,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:29,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:29,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:29,392 INFO L87 Difference]: Start difference. First operand 2983 states and 5799 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:31,334 INFO L93 Difference]: Finished difference Result 4711 states and 9179 transitions. [2021-10-19 14:28:31,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:28:31,334 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:31,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:31,339 INFO L225 Difference]: With dead ends: 4711 [2021-10-19 14:28:31,339 INFO L226 Difference]: Without dead ends: 4711 [2021-10-19 14:28:31,339 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 1139.5ms TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:28:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2021-10-19 14:28:31,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 2994. [2021-10-19 14:28:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2994 states, 2982 states have (on average 1.9520456069751844) internal successors, (5821), 2993 states have internal predecessors, (5821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 5821 transitions. [2021-10-19 14:28:31,365 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 5821 transitions. Word has length 126 [2021-10-19 14:28:31,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:31,365 INFO L470 AbstractCegarLoop]: Abstraction has 2994 states and 5821 transitions. [2021-10-19 14:28:31,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:31,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 5821 transitions. [2021-10-19 14:28:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:31,366 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:31,366 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:31,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-10-19 14:28:31,366 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:31,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:31,366 INFO L82 PathProgramCache]: Analyzing trace with hash 939738290, now seen corresponding path program 14 times [2021-10-19 14:28:31,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:31,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020131162] [2021-10-19 14:28:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:31,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:31,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:31,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:31,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020131162] [2021-10-19 14:28:31,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020131162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:31,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:31,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:31,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127142739] [2021-10-19 14:28:31,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:31,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:31,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:31,672 INFO L87 Difference]: Start difference. First operand 2994 states and 5821 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:33,890 INFO L93 Difference]: Finished difference Result 4750 states and 9255 transitions. [2021-10-19 14:28:33,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:33,890 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:33,895 INFO L225 Difference]: With dead ends: 4750 [2021-10-19 14:28:33,895 INFO L226 Difference]: Without dead ends: 4750 [2021-10-19 14:28:33,895 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 1146.7ms TimeCoverageRelationStatistics Valid=802, Invalid=4600, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:28:33,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4750 states. [2021-10-19 14:28:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4750 to 3005. [2021-10-19 14:28:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2993 states have (on average 1.952221850985633) internal successors, (5843), 3004 states have internal predecessors, (5843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5843 transitions. [2021-10-19 14:28:33,931 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5843 transitions. Word has length 126 [2021-10-19 14:28:33,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:33,931 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 5843 transitions. [2021-10-19 14:28:33,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5843 transitions. [2021-10-19 14:28:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:33,932 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:33,932 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:33,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-10-19 14:28:33,932 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:33,932 INFO L82 PathProgramCache]: Analyzing trace with hash -742913704, now seen corresponding path program 15 times [2021-10-19 14:28:33,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:33,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541391002] [2021-10-19 14:28:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:33,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:34,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:34,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541391002] [2021-10-19 14:28:34,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541391002] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:34,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:34,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:28:34,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351232116] [2021-10-19 14:28:34,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:28:34,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:28:34,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:28:34,240 INFO L87 Difference]: Start difference. First operand 3005 states and 5843 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:36,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:36,316 INFO L93 Difference]: Finished difference Result 4792 states and 9337 transitions. [2021-10-19 14:28:36,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:28:36,317 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:36,321 INFO L225 Difference]: With dead ends: 4792 [2021-10-19 14:28:36,321 INFO L226 Difference]: Without dead ends: 4792 [2021-10-19 14:28:36,321 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 1148.3ms TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:28:36,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2021-10-19 14:28:36,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 3016. [2021-10-19 14:28:36,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3004 states have (on average 1.9523968042609854) internal successors, (5865), 3015 states have internal predecessors, (5865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5865 transitions. [2021-10-19 14:28:36,347 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5865 transitions. Word has length 126 [2021-10-19 14:28:36,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:36,347 INFO L470 AbstractCegarLoop]: Abstraction has 3016 states and 5865 transitions. [2021-10-19 14:28:36,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5865 transitions. [2021-10-19 14:28:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:36,348 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:36,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:36,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-10-19 14:28:36,348 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:36,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:36,349 INFO L82 PathProgramCache]: Analyzing trace with hash -745469838, now seen corresponding path program 16 times [2021-10-19 14:28:36,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:36,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091994618] [2021-10-19 14:28:36,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:36,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:36,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:36,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091994618] [2021-10-19 14:28:36,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091994618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:36,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:36,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:36,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707876732] [2021-10-19 14:28:36,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:36,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:36,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:36,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:36,562 INFO L87 Difference]: Start difference. First operand 3016 states and 5865 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:38,201 INFO L93 Difference]: Finished difference Result 5134 states and 9982 transitions. [2021-10-19 14:28:38,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:28:38,202 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:38,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:38,207 INFO L225 Difference]: With dead ends: 5134 [2021-10-19 14:28:38,207 INFO L226 Difference]: Without dead ends: 5134 [2021-10-19 14:28:38,208 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1299 ImplicationChecksByTransitivity, 645.1ms TimeCoverageRelationStatistics Valid=603, Invalid=3953, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:28:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5134 states. [2021-10-19 14:28:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5134 to 3047. [2021-10-19 14:28:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3047 states, 3035 states have (on average 1.9528830313014827) internal successors, (5927), 3046 states have internal predecessors, (5927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 5927 transitions. [2021-10-19 14:28:38,235 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 5927 transitions. Word has length 126 [2021-10-19 14:28:38,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:38,235 INFO L470 AbstractCegarLoop]: Abstraction has 3047 states and 5927 transitions. [2021-10-19 14:28:38,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 5927 transitions. [2021-10-19 14:28:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:38,236 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:38,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:38,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-10-19 14:28:38,237 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:38,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:38,237 INFO L82 PathProgramCache]: Analyzing trace with hash -430230676, now seen corresponding path program 72 times [2021-10-19 14:28:38,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:38,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585094750] [2021-10-19 14:28:38,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:38,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:38,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:38,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585094750] [2021-10-19 14:28:38,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585094750] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:38,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:38,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:38,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404721335] [2021-10-19 14:28:38,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:38,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:38,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:38,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:38,433 INFO L87 Difference]: Start difference. First operand 3047 states and 5927 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:40,547 INFO L93 Difference]: Finished difference Result 5432 states and 10506 transitions. [2021-10-19 14:28:40,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:28:40,547 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:40,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:40,552 INFO L225 Difference]: With dead ends: 5432 [2021-10-19 14:28:40,552 INFO L226 Difference]: Without dead ends: 5432 [2021-10-19 14:28:40,553 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 681.3ms TimeCoverageRelationStatistics Valid=611, Invalid=4081, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:28:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2021-10-19 14:28:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 3077. [2021-10-19 14:28:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3077 states, 3065 states have (on average 1.9533442088091355) internal successors, (5987), 3076 states have internal predecessors, (5987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 3077 states and 5987 transitions. [2021-10-19 14:28:40,581 INFO L78 Accepts]: Start accepts. Automaton has 3077 states and 5987 transitions. Word has length 126 [2021-10-19 14:28:40,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:40,581 INFO L470 AbstractCegarLoop]: Abstraction has 3077 states and 5987 transitions. [2021-10-19 14:28:40,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 5987 transitions. [2021-10-19 14:28:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:40,582 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:40,583 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:40,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-10-19 14:28:40,583 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:40,583 INFO L82 PathProgramCache]: Analyzing trace with hash 648511474, now seen corresponding path program 17 times [2021-10-19 14:28:40,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:40,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083843933] [2021-10-19 14:28:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:40,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:40,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:40,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083843933] [2021-10-19 14:28:40,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083843933] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:40,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:40,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:40,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086081278] [2021-10-19 14:28:40,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:40,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:40,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:40,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:40,782 INFO L87 Difference]: Start difference. First operand 3077 states and 5987 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:42,413 INFO L93 Difference]: Finished difference Result 6010 states and 11657 transitions. [2021-10-19 14:28:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-19 14:28:42,413 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:42,419 INFO L225 Difference]: With dead ends: 6010 [2021-10-19 14:28:42,419 INFO L226 Difference]: Without dead ends: 6010 [2021-10-19 14:28:42,420 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1990 ImplicationChecksByTransitivity, 769.6ms TimeCoverageRelationStatistics Valid=764, Invalid=5556, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:28:42,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6010 states. [2021-10-19 14:28:42,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6010 to 3163. [2021-10-19 14:28:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3163 states, 3151 states have (on average 1.9546175817200888) internal successors, (6159), 3162 states have internal predecessors, (6159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 3163 states and 6159 transitions. [2021-10-19 14:28:42,451 INFO L78 Accepts]: Start accepts. Automaton has 3163 states and 6159 transitions. Word has length 126 [2021-10-19 14:28:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:42,451 INFO L470 AbstractCegarLoop]: Abstraction has 3163 states and 6159 transitions. [2021-10-19 14:28:42,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 6159 transitions. [2021-10-19 14:28:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:42,453 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:42,453 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:42,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-10-19 14:28:42,453 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:42,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:42,453 INFO L82 PathProgramCache]: Analyzing trace with hash 963750636, now seen corresponding path program 73 times [2021-10-19 14:28:42,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:42,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917563885] [2021-10-19 14:28:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:42,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:42,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:42,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917563885] [2021-10-19 14:28:42,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917563885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:42,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:42,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:42,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450309607] [2021-10-19 14:28:42,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:42,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:42,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:42,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:42,664 INFO L87 Difference]: Start difference. First operand 3163 states and 6159 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:44,938 INFO L93 Difference]: Finished difference Result 6957 states and 13419 transitions. [2021-10-19 14:28:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:28:44,938 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:44,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:44,944 INFO L225 Difference]: With dead ends: 6957 [2021-10-19 14:28:44,944 INFO L226 Difference]: Without dead ends: 6957 [2021-10-19 14:28:44,945 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1828 ImplicationChecksByTransitivity, 796.7ms TimeCoverageRelationStatistics Valid=745, Invalid=5261, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:28:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6957 states. [2021-10-19 14:28:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6957 to 3115. [2021-10-19 14:28:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 3103 states have (on average 1.953915565581695) internal successors, (6063), 3114 states have internal predecessors, (6063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 6063 transitions. [2021-10-19 14:28:44,976 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 6063 transitions. Word has length 126 [2021-10-19 14:28:44,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:44,976 INFO L470 AbstractCegarLoop]: Abstraction has 3115 states and 6063 transitions. [2021-10-19 14:28:44,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 6063 transitions. [2021-10-19 14:28:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:44,977 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:44,977 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:44,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-10-19 14:28:44,977 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1123545788, now seen corresponding path program 74 times [2021-10-19 14:28:44,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:44,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582827480] [2021-10-19 14:28:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:44,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:45,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:45,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582827480] [2021-10-19 14:28:45,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582827480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:45,183 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:45,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:45,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60520726] [2021-10-19 14:28:45,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:45,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:45,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:45,184 INFO L87 Difference]: Start difference. First operand 3115 states and 6063 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:47,545 INFO L93 Difference]: Finished difference Result 6346 states and 12259 transitions. [2021-10-19 14:28:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:28:47,545 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:47,551 INFO L225 Difference]: With dead ends: 6346 [2021-10-19 14:28:47,551 INFO L226 Difference]: Without dead ends: 6346 [2021-10-19 14:28:47,552 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1634 ImplicationChecksByTransitivity, 868.1ms TimeCoverageRelationStatistics Valid=697, Invalid=4853, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:28:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6346 states. [2021-10-19 14:28:47,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6346 to 3107. [2021-10-19 14:28:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3107 states, 3095 states have (on average 1.9537964458804524) internal successors, (6047), 3106 states have internal predecessors, (6047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 3107 states and 6047 transitions. [2021-10-19 14:28:47,584 INFO L78 Accepts]: Start accepts. Automaton has 3107 states and 6047 transitions. Word has length 126 [2021-10-19 14:28:47,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:47,584 INFO L470 AbstractCegarLoop]: Abstraction has 3107 states and 6047 transitions. [2021-10-19 14:28:47,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 6047 transitions. [2021-10-19 14:28:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:47,585 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:47,585 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:47,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-10-19 14:28:47,586 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:47,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:47,586 INFO L82 PathProgramCache]: Analyzing trace with hash 373522190, now seen corresponding path program 75 times [2021-10-19 14:28:47,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:47,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149484686] [2021-10-19 14:28:47,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:47,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:47,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:47,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149484686] [2021-10-19 14:28:47,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149484686] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:47,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:47,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:47,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2856031] [2021-10-19 14:28:47,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:47,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:47,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:47,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:47,795 INFO L87 Difference]: Start difference. First operand 3107 states and 6047 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:50,459 INFO L93 Difference]: Finished difference Result 6268 states and 12103 transitions. [2021-10-19 14:28:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:28:50,459 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:50,465 INFO L225 Difference]: With dead ends: 6268 [2021-10-19 14:28:50,465 INFO L226 Difference]: Without dead ends: 6268 [2021-10-19 14:28:50,466 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 890.2ms TimeCoverageRelationStatistics Valid=715, Invalid=4835, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:28:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2021-10-19 14:28:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 3105. [2021-10-19 14:28:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 3093 states have (on average 1.9537665696734563) internal successors, (6043), 3104 states have internal predecessors, (6043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 6043 transitions. [2021-10-19 14:28:50,507 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 6043 transitions. Word has length 126 [2021-10-19 14:28:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:50,507 INFO L470 AbstractCegarLoop]: Abstraction has 3105 states and 6043 transitions. [2021-10-19 14:28:50,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 6043 transitions. [2021-10-19 14:28:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:50,508 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:50,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:50,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-10-19 14:28:50,508 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:50,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:50,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1539865404, now seen corresponding path program 76 times [2021-10-19 14:28:50,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:50,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944606466] [2021-10-19 14:28:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:50,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:50,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:50,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944606466] [2021-10-19 14:28:50,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944606466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:50,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:50,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:50,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056056905] [2021-10-19 14:28:50,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:50,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:50,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:50,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:50,739 INFO L87 Difference]: Start difference. First operand 3105 states and 6043 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:53,270 INFO L93 Difference]: Finished difference Result 6233 states and 12033 transitions. [2021-10-19 14:28:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:28:53,270 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:53,276 INFO L225 Difference]: With dead ends: 6233 [2021-10-19 14:28:53,276 INFO L226 Difference]: Without dead ends: 6233 [2021-10-19 14:28:53,276 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1627 ImplicationChecksByTransitivity, 885.6ms TimeCoverageRelationStatistics Valid=705, Invalid=4845, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:28:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2021-10-19 14:28:53,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 3085. [2021-10-19 14:28:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3085 states, 3073 states have (on average 1.9534656687276277) internal successors, (6003), 3084 states have internal predecessors, (6003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 3085 states and 6003 transitions. [2021-10-19 14:28:53,308 INFO L78 Accepts]: Start accepts. Automaton has 3085 states and 6003 transitions. Word has length 126 [2021-10-19 14:28:53,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:53,308 INFO L470 AbstractCegarLoop]: Abstraction has 3085 states and 6003 transitions. [2021-10-19 14:28:53,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 6003 transitions. [2021-10-19 14:28:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:53,309 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:53,309 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:53,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-10-19 14:28:53,309 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:53,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:53,309 INFO L82 PathProgramCache]: Analyzing trace with hash 610808754, now seen corresponding path program 18 times [2021-10-19 14:28:53,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:53,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997330237] [2021-10-19 14:28:53,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:53,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:53,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:53,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997330237] [2021-10-19 14:28:53,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997330237] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:53,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:53,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:53,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3722859] [2021-10-19 14:28:53,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:53,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:53,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:53,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:53,512 INFO L87 Difference]: Start difference. First operand 3085 states and 6003 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:55,346 INFO L93 Difference]: Finished difference Result 6074 states and 11787 transitions. [2021-10-19 14:28:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:28:55,346 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:55,352 INFO L225 Difference]: With dead ends: 6074 [2021-10-19 14:28:55,352 INFO L226 Difference]: Without dead ends: 6074 [2021-10-19 14:28:55,353 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1869 ImplicationChecksByTransitivity, 744.3ms TimeCoverageRelationStatistics Valid=752, Invalid=5254, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:28:55,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6074 states. [2021-10-19 14:28:55,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6074 to 3192. [2021-10-19 14:28:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3180 states have (on average 1.9550314465408805) internal successors, (6217), 3191 states have internal predecessors, (6217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 6217 transitions. [2021-10-19 14:28:55,386 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 6217 transitions. Word has length 126 [2021-10-19 14:28:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:55,386 INFO L470 AbstractCegarLoop]: Abstraction has 3192 states and 6217 transitions. [2021-10-19 14:28:55,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 6217 transitions. [2021-10-19 14:28:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:55,388 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:55,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:55,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-10-19 14:28:55,388 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:55,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:55,388 INFO L82 PathProgramCache]: Analyzing trace with hash 926047916, now seen corresponding path program 77 times [2021-10-19 14:28:55,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:55,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087957340] [2021-10-19 14:28:55,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:55,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:55,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:55,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087957340] [2021-10-19 14:28:55,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087957340] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:55,587 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:55,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:55,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931310347] [2021-10-19 14:28:55,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:55,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:55,588 INFO L87 Difference]: Start difference. First operand 3192 states and 6217 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:28:58,105 INFO L93 Difference]: Finished difference Result 7082 states and 13658 transitions. [2021-10-19 14:28:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:28:58,106 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:28:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:28:58,112 INFO L225 Difference]: With dead ends: 7082 [2021-10-19 14:28:58,112 INFO L226 Difference]: Without dead ends: 7062 [2021-10-19 14:28:58,112 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2005 ImplicationChecksByTransitivity, 886.9ms TimeCoverageRelationStatistics Valid=848, Invalid=5632, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:28:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2021-10-19 14:28:58,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 3144. [2021-10-19 14:28:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3144 states, 3132 states have (on average 1.9543422733077906) internal successors, (6121), 3143 states have internal predecessors, (6121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 6121 transitions. [2021-10-19 14:28:58,143 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 6121 transitions. Word has length 126 [2021-10-19 14:28:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:28:58,143 INFO L470 AbstractCegarLoop]: Abstraction has 3144 states and 6121 transitions. [2021-10-19 14:28:58,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:28:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 6121 transitions. [2021-10-19 14:28:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:28:58,144 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:28:58,144 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:28:58,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-10-19 14:28:58,144 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:28:58,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:28:58,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1161248508, now seen corresponding path program 78 times [2021-10-19 14:28:58,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:28:58,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418349526] [2021-10-19 14:28:58,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:28:58,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:28:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:28:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:28:58,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:28:58,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418349526] [2021-10-19 14:28:58,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418349526] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:28:58,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:28:58,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:28:58,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675599653] [2021-10-19 14:28:58,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:28:58,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:28:58,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:28:58,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:28:58,344 INFO L87 Difference]: Start difference. First operand 3144 states and 6121 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:01,188 INFO L93 Difference]: Finished difference Result 7932 states and 15294 transitions. [2021-10-19 14:29:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-19 14:29:01,188 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:01,196 INFO L225 Difference]: With dead ends: 7932 [2021-10-19 14:29:01,196 INFO L226 Difference]: Without dead ends: 7932 [2021-10-19 14:29:01,197 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2137 ImplicationChecksByTransitivity, 1004.4ms TimeCoverageRelationStatistics Valid=891, Invalid=5915, Unknown=0, NotChecked=0, Total=6806 [2021-10-19 14:29:01,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7932 states. [2021-10-19 14:29:01,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7932 to 3146. [2021-10-19 14:29:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 3134 states have (on average 1.954371410338226) internal successors, (6125), 3145 states have internal predecessors, (6125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 6125 transitions. [2021-10-19 14:29:01,235 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 6125 transitions. Word has length 126 [2021-10-19 14:29:01,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:01,235 INFO L470 AbstractCegarLoop]: Abstraction has 3146 states and 6125 transitions. [2021-10-19 14:29:01,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 6125 transitions. [2021-10-19 14:29:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:01,236 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:01,236 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:01,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-10-19 14:29:01,236 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:01,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:01,236 INFO L82 PathProgramCache]: Analyzing trace with hash 335819470, now seen corresponding path program 79 times [2021-10-19 14:29:01,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:01,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037141299] [2021-10-19 14:29:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:01,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:01,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:01,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037141299] [2021-10-19 14:29:01,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037141299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:01,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:01,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:01,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447370035] [2021-10-19 14:29:01,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:01,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:01,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:01,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:01,465 INFO L87 Difference]: Start difference. First operand 3146 states and 6125 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:04,619 INFO L93 Difference]: Finished difference Result 7719 states and 14868 transitions. [2021-10-19 14:29:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-19 14:29:04,619 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:04,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:04,626 INFO L225 Difference]: With dead ends: 7719 [2021-10-19 14:29:04,626 INFO L226 Difference]: Without dead ends: 7719 [2021-10-19 14:29:04,627 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 1042.2ms TimeCoverageRelationStatistics Valid=909, Invalid=5897, Unknown=0, NotChecked=0, Total=6806 [2021-10-19 14:29:04,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7719 states. [2021-10-19 14:29:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7719 to 3148. [2021-10-19 14:29:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3136 states have (on average 1.9544005102040816) internal successors, (6129), 3147 states have internal predecessors, (6129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:04,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 6129 transitions. [2021-10-19 14:29:04,661 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 6129 transitions. Word has length 126 [2021-10-19 14:29:04,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:04,662 INFO L470 AbstractCegarLoop]: Abstraction has 3148 states and 6129 transitions. [2021-10-19 14:29:04,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 6129 transitions. [2021-10-19 14:29:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:04,663 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:04,663 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:04,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-10-19 14:29:04,663 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1577568124, now seen corresponding path program 80 times [2021-10-19 14:29:04,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:04,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424278902] [2021-10-19 14:29:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:04,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:04,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:04,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424278902] [2021-10-19 14:29:04,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424278902] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:04,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:04,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:04,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85220694] [2021-10-19 14:29:04,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:04,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:04,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:04,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:04,876 INFO L87 Difference]: Start difference. First operand 3148 states and 6129 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:07,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:07,972 INFO L93 Difference]: Finished difference Result 7819 states and 15068 transitions. [2021-10-19 14:29:07,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-10-19 14:29:07,973 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:07,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:07,980 INFO L225 Difference]: With dead ends: 7819 [2021-10-19 14:29:07,980 INFO L226 Difference]: Without dead ends: 7819 [2021-10-19 14:29:07,980 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 1065.1ms TimeCoverageRelationStatistics Valid=899, Invalid=5907, Unknown=0, NotChecked=0, Total=6806 [2021-10-19 14:29:07,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7819 states. [2021-10-19 14:29:08,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7819 to 3136. [2021-10-19 14:29:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 3124 states have (on average 1.954225352112676) internal successors, (6105), 3135 states have internal predecessors, (6105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 6105 transitions. [2021-10-19 14:29:08,014 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 6105 transitions. Word has length 126 [2021-10-19 14:29:08,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:08,014 INFO L470 AbstractCegarLoop]: Abstraction has 3136 states and 6105 transitions. [2021-10-19 14:29:08,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 6105 transitions. [2021-10-19 14:29:08,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:08,015 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:08,015 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:08,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-10-19 14:29:08,016 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:08,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:08,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1903990980, now seen corresponding path program 81 times [2021-10-19 14:29:08,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:08,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061746488] [2021-10-19 14:29:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:08,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:08,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:08,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061746488] [2021-10-19 14:29:08,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061746488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:08,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:08,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:08,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044700949] [2021-10-19 14:29:08,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:08,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:08,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:08,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:08,224 INFO L87 Difference]: Start difference. First operand 3136 states and 6105 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:10,835 INFO L93 Difference]: Finished difference Result 6693 states and 12949 transitions. [2021-10-19 14:29:10,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-19 14:29:10,836 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:10,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:10,843 INFO L225 Difference]: With dead ends: 6693 [2021-10-19 14:29:10,843 INFO L226 Difference]: Without dead ends: 6693 [2021-10-19 14:29:10,843 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1794 ImplicationChecksByTransitivity, 1022.4ms TimeCoverageRelationStatistics Valid=818, Invalid=5188, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:29:10,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2021-10-19 14:29:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 3128. [2021-10-19 14:29:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 3116 states have (on average 1.9541078305519897) internal successors, (6089), 3127 states have internal predecessors, (6089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 6089 transitions. [2021-10-19 14:29:10,876 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 6089 transitions. Word has length 126 [2021-10-19 14:29:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:10,876 INFO L470 AbstractCegarLoop]: Abstraction has 3128 states and 6089 transitions. [2021-10-19 14:29:10,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 6089 transitions. [2021-10-19 14:29:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:10,877 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:10,878 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:10,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-10-19 14:29:10,878 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:10,878 INFO L82 PathProgramCache]: Analyzing trace with hash -893908338, now seen corresponding path program 82 times [2021-10-19 14:29:10,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:10,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696093986] [2021-10-19 14:29:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:10,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:11,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:11,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696093986] [2021-10-19 14:29:11,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696093986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:11,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:11,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:11,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040312507] [2021-10-19 14:29:11,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:11,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:11,114 INFO L87 Difference]: Start difference. First operand 3128 states and 6089 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:13,771 INFO L93 Difference]: Finished difference Result 6554 states and 12667 transitions. [2021-10-19 14:29:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:29:13,771 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:13,777 INFO L225 Difference]: With dead ends: 6554 [2021-10-19 14:29:13,777 INFO L226 Difference]: Without dead ends: 6554 [2021-10-19 14:29:13,777 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1963 ImplicationChecksByTransitivity, 1153.4ms TimeCoverageRelationStatistics Valid=888, Invalid=5592, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:29:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6554 states. [2021-10-19 14:29:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6554 to 3130. [2021-10-19 14:29:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 3118 states have (on average 1.9541372674791533) internal successors, (6093), 3129 states have internal predecessors, (6093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 6093 transitions. [2021-10-19 14:29:13,809 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 6093 transitions. Word has length 126 [2021-10-19 14:29:13,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:13,809 INFO L470 AbstractCegarLoop]: Abstraction has 3130 states and 6093 transitions. [2021-10-19 14:29:13,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:13,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 6093 transitions. [2021-10-19 14:29:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:13,810 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:13,810 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:13,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-10-19 14:29:13,810 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:13,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:13,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1487671364, now seen corresponding path program 83 times [2021-10-19 14:29:13,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:13,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885231837] [2021-10-19 14:29:13,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:13,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:14,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:14,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885231837] [2021-10-19 14:29:14,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885231837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:14,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:14,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:14,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769076020] [2021-10-19 14:29:14,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:14,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:14,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:14,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:14,017 INFO L87 Difference]: Start difference. First operand 3130 states and 6093 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:16,809 INFO L93 Difference]: Finished difference Result 6654 states and 12867 transitions. [2021-10-19 14:29:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-10-19 14:29:16,810 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:16,816 INFO L225 Difference]: With dead ends: 6654 [2021-10-19 14:29:16,817 INFO L226 Difference]: Without dead ends: 6654 [2021-10-19 14:29:16,817 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1968 ImplicationChecksByTransitivity, 1147.6ms TimeCoverageRelationStatistics Valid=879, Invalid=5601, Unknown=0, NotChecked=0, Total=6480 [2021-10-19 14:29:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6654 states. [2021-10-19 14:29:16,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6654 to 3126. [2021-10-19 14:29:16,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.95407835581246) internal successors, (6085), 3125 states have internal predecessors, (6085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6085 transitions. [2021-10-19 14:29:16,867 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6085 transitions. Word has length 126 [2021-10-19 14:29:16,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:16,867 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6085 transitions. [2021-10-19 14:29:16,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6085 transitions. [2021-10-19 14:29:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:16,868 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:16,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:16,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-10-19 14:29:16,869 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:16,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:16,869 INFO L82 PathProgramCache]: Analyzing trace with hash 515491086, now seen corresponding path program 84 times [2021-10-19 14:29:16,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:16,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844308395] [2021-10-19 14:29:16,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:16,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:17,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:17,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844308395] [2021-10-19 14:29:17,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844308395] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:17,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:17,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:17,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443761154] [2021-10-19 14:29:17,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:17,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:17,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:17,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:17,092 INFO L87 Difference]: Start difference. First operand 3126 states and 6085 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:20,123 INFO L93 Difference]: Finished difference Result 6474 states and 12512 transitions. [2021-10-19 14:29:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:29:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:20,129 INFO L225 Difference]: With dead ends: 6474 [2021-10-19 14:29:20,129 INFO L226 Difference]: Without dead ends: 6454 [2021-10-19 14:29:20,130 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1878 ImplicationChecksByTransitivity, 1131.4ms TimeCoverageRelationStatistics Valid=910, Invalid=5410, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:29:20,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6454 states. [2021-10-19 14:29:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6454 to 3123. [2021-10-19 14:29:20,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3111 states have (on average 1.9540340726454517) internal successors, (6079), 3122 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 6079 transitions. [2021-10-19 14:29:20,162 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 6079 transitions. Word has length 126 [2021-10-19 14:29:20,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:20,162 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 6079 transitions. [2021-10-19 14:29:20,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 6079 transitions. [2021-10-19 14:29:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:20,163 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:20,163 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:20,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-10-19 14:29:20,163 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:20,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:20,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1069101320, now seen corresponding path program 85 times [2021-10-19 14:29:20,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:20,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801892766] [2021-10-19 14:29:20,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:20,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:20,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:20,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801892766] [2021-10-19 14:29:20,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801892766] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:20,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:20,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:20,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355992728] [2021-10-19 14:29:20,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:20,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:20,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:20,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:20,377 INFO L87 Difference]: Start difference. First operand 3123 states and 6079 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:23,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:23,247 INFO L93 Difference]: Finished difference Result 6260 states and 12081 transitions. [2021-10-19 14:29:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-19 14:29:23,247 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:23,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:23,252 INFO L225 Difference]: With dead ends: 6260 [2021-10-19 14:29:23,252 INFO L226 Difference]: Without dead ends: 6260 [2021-10-19 14:29:23,253 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2014 ImplicationChecksByTransitivity, 1212.9ms TimeCoverageRelationStatistics Valid=926, Invalid=5716, Unknown=0, NotChecked=0, Total=6642 [2021-10-19 14:29:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6260 states. [2021-10-19 14:29:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6260 to 3121. [2021-10-19 14:29:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 3109 states have (on average 1.954004503055645) internal successors, (6075), 3120 states have internal predecessors, (6075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 6075 transitions. [2021-10-19 14:29:23,282 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 6075 transitions. Word has length 126 [2021-10-19 14:29:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:23,282 INFO L470 AbstractCegarLoop]: Abstraction has 3121 states and 6075 transitions. [2021-10-19 14:29:23,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 6075 transitions. [2021-10-19 14:29:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:23,283 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:23,283 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:23,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-10-19 14:29:23,283 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:23,284 INFO L82 PathProgramCache]: Analyzing trace with hash -774462042, now seen corresponding path program 86 times [2021-10-19 14:29:23,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:23,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219666285] [2021-10-19 14:29:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:23,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:23,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:23,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219666285] [2021-10-19 14:29:23,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219666285] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:23,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:23,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:23,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593872630] [2021-10-19 14:29:23,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:23,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:23,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:23,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:23,501 INFO L87 Difference]: Start difference. First operand 3121 states and 6075 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:26,512 INFO L93 Difference]: Finished difference Result 6308 states and 12181 transitions. [2021-10-19 14:29:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-19 14:29:26,513 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:26,519 INFO L225 Difference]: With dead ends: 6308 [2021-10-19 14:29:26,519 INFO L226 Difference]: Without dead ends: 6308 [2021-10-19 14:29:26,520 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1836 ImplicationChecksByTransitivity, 1102.8ms TimeCoverageRelationStatistics Valid=861, Invalid=5301, Unknown=0, NotChecked=0, Total=6162 [2021-10-19 14:29:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2021-10-19 14:29:26,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 3067. [2021-10-19 14:29:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3055 states have (on average 1.9531914893617022) internal successors, (5967), 3066 states have internal predecessors, (5967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 5967 transitions. [2021-10-19 14:29:26,550 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 5967 transitions. Word has length 126 [2021-10-19 14:29:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:26,551 INFO L470 AbstractCegarLoop]: Abstraction has 3067 states and 5967 transitions. [2021-10-19 14:29:26,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 5967 transitions. [2021-10-19 14:29:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:26,552 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:26,552 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:26,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-10-19 14:29:26,552 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:26,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:26,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2111766226, now seen corresponding path program 19 times [2021-10-19 14:29:26,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:26,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043303886] [2021-10-19 14:29:26,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:26,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:26,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:26,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043303886] [2021-10-19 14:29:26,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043303886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:26,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:26,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:26,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120656148] [2021-10-19 14:29:26,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:26,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:26,950 INFO L87 Difference]: Start difference. First operand 3067 states and 5967 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:28,542 INFO L93 Difference]: Finished difference Result 4688 states and 9135 transitions. [2021-10-19 14:29:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:29:28,542 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:28,546 INFO L225 Difference]: With dead ends: 4688 [2021-10-19 14:29:28,546 INFO L226 Difference]: Without dead ends: 4688 [2021-10-19 14:29:28,547 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 1010.1ms TimeCoverageRelationStatistics Valid=741, Invalid=3815, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:29:28,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4688 states. [2021-10-19 14:29:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4688 to 3123. [2021-10-19 14:29:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 3111 states have (on average 1.9540340726454517) internal successors, (6079), 3122 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 6079 transitions. [2021-10-19 14:29:28,576 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 6079 transitions. Word has length 126 [2021-10-19 14:29:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:28,576 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 6079 transitions. [2021-10-19 14:29:28,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 6079 transitions. [2021-10-19 14:29:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:28,577 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:28,577 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:28,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-10-19 14:29:28,577 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:28,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1175704108, now seen corresponding path program 20 times [2021-10-19 14:29:28,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:28,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221884707] [2021-10-19 14:29:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:28,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:28,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:28,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221884707] [2021-10-19 14:29:28,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221884707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:28,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:28,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:28,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018726534] [2021-10-19 14:29:28,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:28,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:28,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:28,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:28,947 INFO L87 Difference]: Start difference. First operand 3123 states and 6079 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:31,123 INFO L93 Difference]: Finished difference Result 4730 states and 9217 transitions. [2021-10-19 14:29:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:31,123 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:31,127 INFO L225 Difference]: With dead ends: 4730 [2021-10-19 14:29:31,127 INFO L226 Difference]: Without dead ends: 4730 [2021-10-19 14:29:31,128 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1482 ImplicationChecksByTransitivity, 1144.9ms TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:29:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2021-10-19 14:29:31,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 3134. [2021-10-19 14:29:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3134 states, 3122 states have (on average 1.9541960281870596) internal successors, (6101), 3133 states have internal predecessors, (6101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 3134 states and 6101 transitions. [2021-10-19 14:29:31,155 INFO L78 Accepts]: Start accepts. Automaton has 3134 states and 6101 transitions. Word has length 126 [2021-10-19 14:29:31,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:31,155 INFO L470 AbstractCegarLoop]: Abstraction has 3134 states and 6101 transitions. [2021-10-19 14:29:31,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:31,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 6101 transitions. [2021-10-19 14:29:31,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:31,156 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:31,156 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:31,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-10-19 14:29:31,156 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:31,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:31,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1835289966, now seen corresponding path program 21 times [2021-10-19 14:29:31,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:31,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406533741] [2021-10-19 14:29:31,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:31,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:31,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:31,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406533741] [2021-10-19 14:29:31,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406533741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:31,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:31,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:31,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558907061] [2021-10-19 14:29:31,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:31,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:31,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:31,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:31,463 INFO L87 Difference]: Start difference. First operand 3134 states and 6101 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:33,564 INFO L93 Difference]: Finished difference Result 4769 states and 9293 transitions. [2021-10-19 14:29:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:29:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:33,569 INFO L225 Difference]: With dead ends: 4769 [2021-10-19 14:29:33,569 INFO L226 Difference]: Without dead ends: 4769 [2021-10-19 14:29:33,569 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1588 ImplicationChecksByTransitivity, 1161.9ms TimeCoverageRelationStatistics Valid=828, Invalid=4574, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:29:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4769 states. [2021-10-19 14:29:33,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4769 to 3145. [2021-10-19 14:29:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3145 states, 3133 states have (on average 1.954356846473029) internal successors, (6123), 3144 states have internal predecessors, (6123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 6123 transitions. [2021-10-19 14:29:33,606 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 6123 transitions. Word has length 126 [2021-10-19 14:29:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:33,607 INFO L470 AbstractCegarLoop]: Abstraction has 3145 states and 6123 transitions. [2021-10-19 14:29:33,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 6123 transitions. [2021-10-19 14:29:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:33,608 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:33,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:33,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-10-19 14:29:33,608 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:33,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:33,608 INFO L82 PathProgramCache]: Analyzing trace with hash 152637972, now seen corresponding path program 22 times [2021-10-19 14:29:33,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:33,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865312037] [2021-10-19 14:29:33,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:33,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:33,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:33,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865312037] [2021-10-19 14:29:33,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865312037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:33,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:33,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:33,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405287914] [2021-10-19 14:29:33,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:33,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:33,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:33,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:33,922 INFO L87 Difference]: Start difference. First operand 3145 states and 6123 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:36,155 INFO L93 Difference]: Finished difference Result 4811 states and 9375 transitions. [2021-10-19 14:29:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:29:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:36,160 INFO L225 Difference]: With dead ends: 4811 [2021-10-19 14:29:36,160 INFO L226 Difference]: Without dead ends: 4811 [2021-10-19 14:29:36,160 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1702 ImplicationChecksByTransitivity, 1190.8ms TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:29:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2021-10-19 14:29:36,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 3156. [2021-10-19 14:29:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3144 states have (on average 1.9545165394402035) internal successors, (6145), 3155 states have internal predecessors, (6145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 6145 transitions. [2021-10-19 14:29:36,188 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 6145 transitions. Word has length 126 [2021-10-19 14:29:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:36,188 INFO L470 AbstractCegarLoop]: Abstraction has 3156 states and 6145 transitions. [2021-10-19 14:29:36,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 6145 transitions. [2021-10-19 14:29:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:36,189 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:36,189 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:36,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-10-19 14:29:36,189 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash 150081838, now seen corresponding path program 23 times [2021-10-19 14:29:36,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:36,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313808309] [2021-10-19 14:29:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:36,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:36,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:36,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313808309] [2021-10-19 14:29:36,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313808309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:36,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:36,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:36,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602086292] [2021-10-19 14:29:36,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:36,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:36,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:36,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:36,394 INFO L87 Difference]: Start difference. First operand 3156 states and 6145 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:37,852 INFO L93 Difference]: Finished difference Result 5153 states and 10020 transitions. [2021-10-19 14:29:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:29:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:37,858 INFO L225 Difference]: With dead ends: 5153 [2021-10-19 14:29:37,858 INFO L226 Difference]: Without dead ends: 5153 [2021-10-19 14:29:37,858 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 633.9ms TimeCoverageRelationStatistics Valid=579, Invalid=3977, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:29:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2021-10-19 14:29:37,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 3187. [2021-10-19 14:29:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3187 states, 3175 states have (on average 1.9549606299212599) internal successors, (6207), 3186 states have internal predecessors, (6207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 3187 states and 6207 transitions. [2021-10-19 14:29:37,887 INFO L78 Accepts]: Start accepts. Automaton has 3187 states and 6207 transitions. Word has length 126 [2021-10-19 14:29:37,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:37,887 INFO L470 AbstractCegarLoop]: Abstraction has 3187 states and 6207 transitions. [2021-10-19 14:29:37,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3187 states and 6207 transitions. [2021-10-19 14:29:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:37,889 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:37,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:37,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-10-19 14:29:37,889 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:37,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:37,889 INFO L82 PathProgramCache]: Analyzing trace with hash 465321000, now seen corresponding path program 87 times [2021-10-19 14:29:37,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:37,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761536221] [2021-10-19 14:29:37,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:37,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:38,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:38,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761536221] [2021-10-19 14:29:38,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761536221] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:38,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:38,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:38,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693678497] [2021-10-19 14:29:38,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:38,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:38,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:38,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:38,090 INFO L87 Difference]: Start difference. First operand 3187 states and 6207 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:40,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:40,543 INFO L93 Difference]: Finished difference Result 5468 states and 10574 transitions. [2021-10-19 14:29:40,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:29:40,543 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:40,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:40,549 INFO L225 Difference]: With dead ends: 5468 [2021-10-19 14:29:40,549 INFO L226 Difference]: Without dead ends: 5468 [2021-10-19 14:29:40,550 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1357 ImplicationChecksByTransitivity, 703.3ms TimeCoverageRelationStatistics Valid=619, Invalid=4211, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:29:40,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5468 states. [2021-10-19 14:29:40,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5468 to 3067. [2021-10-19 14:29:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3067 states, 3055 states have (on average 1.9531914893617022) internal successors, (5967), 3066 states have internal predecessors, (5967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 5967 transitions. [2021-10-19 14:29:40,579 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 5967 transitions. Word has length 126 [2021-10-19 14:29:40,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:40,579 INFO L470 AbstractCegarLoop]: Abstraction has 3067 states and 5967 transitions. [2021-10-19 14:29:40,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 5967 transitions. [2021-10-19 14:29:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:40,580 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:40,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:40,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-10-19 14:29:40,581 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:40,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1544063150, now seen corresponding path program 24 times [2021-10-19 14:29:40,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:40,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575426359] [2021-10-19 14:29:40,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:40,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:40,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:40,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575426359] [2021-10-19 14:29:40,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575426359] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:40,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:40,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:40,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66852546] [2021-10-19 14:29:40,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:40,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:40,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:40,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:40,806 INFO L87 Difference]: Start difference. First operand 3067 states and 5967 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:42,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:42,474 INFO L93 Difference]: Finished difference Result 5948 states and 11540 transitions. [2021-10-19 14:29:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:29:42,474 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:42,480 INFO L225 Difference]: With dead ends: 5948 [2021-10-19 14:29:42,480 INFO L226 Difference]: Without dead ends: 5948 [2021-10-19 14:29:42,480 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1568 ImplicationChecksByTransitivity, 693.9ms TimeCoverageRelationStatistics Valid=646, Invalid=4610, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:29:42,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2021-10-19 14:29:42,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 3145. [2021-10-19 14:29:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3145 states, 3133 states have (on average 1.954356846473029) internal successors, (6123), 3144 states have internal predecessors, (6123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:42,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 3145 states and 6123 transitions. [2021-10-19 14:29:42,523 INFO L78 Accepts]: Start accepts. Automaton has 3145 states and 6123 transitions. Word has length 126 [2021-10-19 14:29:42,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:42,523 INFO L470 AbstractCegarLoop]: Abstraction has 3145 states and 6123 transitions. [2021-10-19 14:29:42,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:42,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 6123 transitions. [2021-10-19 14:29:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:42,524 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:42,524 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:42,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-10-19 14:29:42,524 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:42,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1859302312, now seen corresponding path program 88 times [2021-10-19 14:29:42,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:42,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816548970] [2021-10-19 14:29:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:42,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:42,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:42,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:42,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816548970] [2021-10-19 14:29:42,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816548970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:42,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:42,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:42,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571953589] [2021-10-19 14:29:42,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:42,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:42,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:42,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:42,723 INFO L87 Difference]: Start difference. First operand 3145 states and 6123 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:44,899 INFO L93 Difference]: Finished difference Result 6936 states and 13376 transitions. [2021-10-19 14:29:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:29:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:44,906 INFO L225 Difference]: With dead ends: 6936 [2021-10-19 14:29:44,906 INFO L226 Difference]: Without dead ends: 6936 [2021-10-19 14:29:44,906 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1634 ImplicationChecksByTransitivity, 781.6ms TimeCoverageRelationStatistics Valid=717, Invalid=4833, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:29:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2021-10-19 14:29:44,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 3097. [2021-10-19 14:29:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3097 states, 3085 states have (on average 1.953646677471637) internal successors, (6027), 3096 states have internal predecessors, (6027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 6027 transitions. [2021-10-19 14:29:44,939 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 6027 transitions. Word has length 126 [2021-10-19 14:29:44,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:44,939 INFO L470 AbstractCegarLoop]: Abstraction has 3097 states and 6027 transitions. [2021-10-19 14:29:44,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 6027 transitions. [2021-10-19 14:29:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:44,940 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:44,940 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:44,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-10-19 14:29:44,940 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:44,940 INFO L82 PathProgramCache]: Analyzing trace with hash -227994112, now seen corresponding path program 89 times [2021-10-19 14:29:44,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:44,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407138532] [2021-10-19 14:29:44,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:44,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:45,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:45,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407138532] [2021-10-19 14:29:45,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407138532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:45,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:45,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:45,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507166494] [2021-10-19 14:29:45,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:45,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:45,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:45,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:45,143 INFO L87 Difference]: Start difference. First operand 3097 states and 6027 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:47,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:47,629 INFO L93 Difference]: Finished difference Result 6325 states and 12216 transitions. [2021-10-19 14:29:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:47,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:47,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:47,636 INFO L225 Difference]: With dead ends: 6325 [2021-10-19 14:29:47,636 INFO L226 Difference]: Without dead ends: 6325 [2021-10-19 14:29:47,636 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1453 ImplicationChecksByTransitivity, 878.3ms TimeCoverageRelationStatistics Valid=675, Invalid=4437, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:29:47,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6325 states. [2021-10-19 14:29:47,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6325 to 3089. [2021-10-19 14:29:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3089 states, 3077 states have (on average 1.9535261618459538) internal successors, (6011), 3088 states have internal predecessors, (6011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 3089 states and 6011 transitions. [2021-10-19 14:29:47,667 INFO L78 Accepts]: Start accepts. Automaton has 3089 states and 6011 transitions. Word has length 126 [2021-10-19 14:29:47,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:47,667 INFO L470 AbstractCegarLoop]: Abstraction has 3089 states and 6011 transitions. [2021-10-19 14:29:47,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 6011 transitions. [2021-10-19 14:29:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:47,668 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:47,668 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:47,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-10-19 14:29:47,668 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:47,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:47,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1269073866, now seen corresponding path program 90 times [2021-10-19 14:29:47,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:47,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221199364] [2021-10-19 14:29:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:47,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:47,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:47,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:47,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221199364] [2021-10-19 14:29:47,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221199364] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:47,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:47,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:47,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795218819] [2021-10-19 14:29:47,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:47,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:47,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:47,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:47,893 INFO L87 Difference]: Start difference. First operand 3089 states and 6011 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:50,383 INFO L93 Difference]: Finished difference Result 6116 states and 11798 transitions. [2021-10-19 14:29:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:50,384 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:50,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:50,389 INFO L225 Difference]: With dead ends: 6116 [2021-10-19 14:29:50,389 INFO L226 Difference]: Without dead ends: 6116 [2021-10-19 14:29:50,389 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 909.2ms TimeCoverageRelationStatistics Valid=693, Invalid=4419, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:29:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6116 states. [2021-10-19 14:29:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6116 to 3087. [2021-10-19 14:29:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 3075 states have (on average 1.9534959349593497) internal successors, (6007), 3086 states have internal predecessors, (6007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 6007 transitions. [2021-10-19 14:29:50,418 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 6007 transitions. Word has length 126 [2021-10-19 14:29:50,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:50,418 INFO L470 AbstractCegarLoop]: Abstraction has 3087 states and 6007 transitions. [2021-10-19 14:29:50,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 6007 transitions. [2021-10-19 14:29:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:50,419 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:50,419 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:50,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-10-19 14:29:50,420 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:50,420 INFO L82 PathProgramCache]: Analyzing trace with hash -644313728, now seen corresponding path program 91 times [2021-10-19 14:29:50,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:50,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469766671] [2021-10-19 14:29:50,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:50,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:50,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:50,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469766671] [2021-10-19 14:29:50,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469766671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:50,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:50,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:29:50,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941577436] [2021-10-19 14:29:50,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:29:50,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:50,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:29:50,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:29:50,626 INFO L87 Difference]: Start difference. First operand 3087 states and 6007 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:53,210 INFO L93 Difference]: Finished difference Result 6212 states and 11990 transitions. [2021-10-19 14:29:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:29:53,210 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:53,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:53,216 INFO L225 Difference]: With dead ends: 6212 [2021-10-19 14:29:53,216 INFO L226 Difference]: Without dead ends: 6212 [2021-10-19 14:29:53,216 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 893.8ms TimeCoverageRelationStatistics Valid=683, Invalid=4429, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:29:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2021-10-19 14:29:53,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 3047. [2021-10-19 14:29:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3047 states, 3035 states have (on average 1.9528830313014827) internal successors, (5927), 3046 states have internal predecessors, (5927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 3047 states and 5927 transitions. [2021-10-19 14:29:53,246 INFO L78 Accepts]: Start accepts. Automaton has 3047 states and 5927 transitions. Word has length 126 [2021-10-19 14:29:53,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:53,246 INFO L470 AbstractCegarLoop]: Abstraction has 3047 states and 5927 transitions. [2021-10-19 14:29:53,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3047 states and 5927 transitions. [2021-10-19 14:29:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:53,247 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:53,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:53,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-10-19 14:29:53,247 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:53,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash -893283124, now seen corresponding path program 25 times [2021-10-19 14:29:53,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:53,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327031496] [2021-10-19 14:29:53,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:53,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:53,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:53,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327031496] [2021-10-19 14:29:53,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327031496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:53,652 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:53,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:53,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232088306] [2021-10-19 14:29:53,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:53,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:53,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:53,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:53,652 INFO L87 Difference]: Start difference. First operand 3047 states and 5927 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:55,304 INFO L93 Difference]: Finished difference Result 3982 states and 7773 transitions. [2021-10-19 14:29:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:29:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:55,308 INFO L225 Difference]: With dead ends: 3982 [2021-10-19 14:29:55,308 INFO L226 Difference]: Without dead ends: 3982 [2021-10-19 14:29:55,309 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209 ImplicationChecksByTransitivity, 1015.4ms TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:29:55,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3982 states. [2021-10-19 14:29:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3982 to 3095. [2021-10-19 14:29:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 3083 states have (on average 1.9536166072007786) internal successors, (6023), 3094 states have internal predecessors, (6023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 6023 transitions. [2021-10-19 14:29:55,348 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 6023 transitions. Word has length 126 [2021-10-19 14:29:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:55,348 INFO L470 AbstractCegarLoop]: Abstraction has 3095 states and 6023 transitions. [2021-10-19 14:29:55,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 6023 transitions. [2021-10-19 14:29:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:55,349 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:55,349 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:55,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-10-19 14:29:55,349 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:55,350 INFO L82 PathProgramCache]: Analyzing trace with hash 42778994, now seen corresponding path program 26 times [2021-10-19 14:29:55,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:55,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97390530] [2021-10-19 14:29:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:55,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:55,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:55,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97390530] [2021-10-19 14:29:55,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97390530] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:55,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:55,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:55,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879763767] [2021-10-19 14:29:55,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:55,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:55,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:55,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:55,722 INFO L87 Difference]: Start difference. First operand 3095 states and 6023 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:57,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:29:57,720 INFO L93 Difference]: Finished difference Result 4032 states and 7871 transitions. [2021-10-19 14:29:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:29:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:29:57,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:29:57,724 INFO L225 Difference]: With dead ends: 4032 [2021-10-19 14:29:57,724 INFO L226 Difference]: Without dead ends: 4032 [2021-10-19 14:29:57,725 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1408 ImplicationChecksByTransitivity, 1168.2ms TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:29:57,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2021-10-19 14:29:57,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 3110. [2021-10-19 14:29:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3110 states, 3098 states have (on average 1.9538411878631374) internal successors, (6053), 3109 states have internal predecessors, (6053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:57,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 6053 transitions. [2021-10-19 14:29:57,749 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 6053 transitions. Word has length 126 [2021-10-19 14:29:57,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:29:57,749 INFO L470 AbstractCegarLoop]: Abstraction has 3110 states and 6053 transitions. [2021-10-19 14:29:57,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:29:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 6053 transitions. [2021-10-19 14:29:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:29:57,750 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:29:57,751 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:29:57,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-10-19 14:29:57,751 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:29:57,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:29:57,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1241194228, now seen corresponding path program 27 times [2021-10-19 14:29:57,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:29:57,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890194005] [2021-10-19 14:29:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:29:57,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:29:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:29:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:29:58,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:29:58,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890194005] [2021-10-19 14:29:58,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890194005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:29:58,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:29:58,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:29:58,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177753172] [2021-10-19 14:29:58,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:29:58,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:29:58,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:29:58,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:29:58,064 INFO L87 Difference]: Start difference. First operand 3110 states and 6053 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:00,151 INFO L93 Difference]: Finished difference Result 4076 states and 7957 transitions. [2021-10-19 14:30:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:00,151 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:00,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:00,155 INFO L225 Difference]: With dead ends: 4076 [2021-10-19 14:30:00,155 INFO L226 Difference]: Without dead ends: 4076 [2021-10-19 14:30:00,156 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1511 ImplicationChecksByTransitivity, 1163.5ms TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:00,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4076 states. [2021-10-19 14:30:00,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4076 to 3125. [2021-10-19 14:30:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 3113 states have (on average 1.9540636042402826) internal successors, (6083), 3124 states have internal predecessors, (6083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 6083 transitions. [2021-10-19 14:30:00,181 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 6083 transitions. Word has length 126 [2021-10-19 14:30:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:00,181 INFO L470 AbstractCegarLoop]: Abstraction has 3125 states and 6083 transitions. [2021-10-19 14:30:00,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 6083 transitions. [2021-10-19 14:30:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:00,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:00,182 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:00,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-10-19 14:30:00,182 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:00,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:00,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1371121074, now seen corresponding path program 28 times [2021-10-19 14:30:00,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:00,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267903465] [2021-10-19 14:30:00,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:00,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:00,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:00,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267903465] [2021-10-19 14:30:00,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267903465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:00,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:00,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:00,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560521837] [2021-10-19 14:30:00,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:00,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:00,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:00,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:00,500 INFO L87 Difference]: Start difference. First operand 3125 states and 6083 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:02,715 INFO L93 Difference]: Finished difference Result 4126 states and 8055 transitions. [2021-10-19 14:30:02,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:30:02,715 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:02,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:02,719 INFO L225 Difference]: With dead ends: 4126 [2021-10-19 14:30:02,719 INFO L226 Difference]: Without dead ends: 4126 [2021-10-19 14:30:02,719 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 1240.6ms TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:30:02,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-10-19 14:30:02,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 3140. [2021-10-19 14:30:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3140 states, 3128 states have (on average 1.9542838874680306) internal successors, (6113), 3139 states have internal predecessors, (6113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 6113 transitions. [2021-10-19 14:30:02,744 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 6113 transitions. Word has length 126 [2021-10-19 14:30:02,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:02,744 INFO L470 AbstractCegarLoop]: Abstraction has 3140 states and 6113 transitions. [2021-10-19 14:30:02,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 6113 transitions. [2021-10-19 14:30:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:02,745 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:02,745 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:02,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-10-19 14:30:02,745 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:02,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1368564940, now seen corresponding path program 29 times [2021-10-19 14:30:02,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:02,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188389718] [2021-10-19 14:30:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:02,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:02,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:02,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188389718] [2021-10-19 14:30:02,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188389718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:02,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:02,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:02,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109207443] [2021-10-19 14:30:02,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:02,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:02,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:02,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:02,971 INFO L87 Difference]: Start difference. First operand 3140 states and 6113 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:04,581 INFO L93 Difference]: Finished difference Result 4668 states and 9062 transitions. [2021-10-19 14:30:04,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:30:04,582 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:04,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:04,586 INFO L225 Difference]: With dead ends: 4668 [2021-10-19 14:30:04,586 INFO L226 Difference]: Without dead ends: 4668 [2021-10-19 14:30:04,586 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1060 ImplicationChecksByTransitivity, 581.7ms TimeCoverageRelationStatistics Valid=508, Invalid=3398, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:30:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4668 states. [2021-10-19 14:30:04,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4668 to 3139. [2021-10-19 14:30:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3139 states, 3127 states have (on average 1.9542692676686921) internal successors, (6111), 3138 states have internal predecessors, (6111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 6111 transitions. [2021-10-19 14:30:04,613 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 6111 transitions. Word has length 126 [2021-10-19 14:30:04,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:04,613 INFO L470 AbstractCegarLoop]: Abstraction has 3139 states and 6111 transitions. [2021-10-19 14:30:04,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 6111 transitions. [2021-10-19 14:30:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:04,614 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:04,614 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:04,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-10-19 14:30:04,614 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:04,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:04,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1683804102, now seen corresponding path program 92 times [2021-10-19 14:30:04,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:04,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836592180] [2021-10-19 14:30:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:04,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:04,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:04,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836592180] [2021-10-19 14:30:04,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836592180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:04,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:04,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:04,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127847920] [2021-10-19 14:30:04,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:04,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:04,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:04,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:04,818 INFO L87 Difference]: Start difference. First operand 3139 states and 6111 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:06,890 INFO L93 Difference]: Finished difference Result 4992 states and 9634 transitions. [2021-10-19 14:30:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:30:06,891 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:06,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:06,895 INFO L225 Difference]: With dead ends: 4992 [2021-10-19 14:30:06,896 INFO L226 Difference]: Without dead ends: 4992 [2021-10-19 14:30:06,896 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 735.9ms TimeCoverageRelationStatistics Valid=631, Invalid=4061, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:30:06,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2021-10-19 14:30:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 2974. [2021-10-19 14:30:06,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2962 states have (on average 1.9517218095881161) internal successors, (5781), 2973 states have internal predecessors, (5781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 5781 transitions. [2021-10-19 14:30:06,921 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 5781 transitions. Word has length 126 [2021-10-19 14:30:06,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:06,921 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 5781 transitions. [2021-10-19 14:30:06,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:06,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 5781 transitions. [2021-10-19 14:30:06,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:06,922 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:06,922 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:06,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-10-19 14:30:06,923 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1944096618, now seen corresponding path program 30 times [2021-10-19 14:30:06,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:06,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450252069] [2021-10-19 14:30:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:06,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:07,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:07,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450252069] [2021-10-19 14:30:07,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450252069] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:07,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:07,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:07,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166836333] [2021-10-19 14:30:07,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:07,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:07,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:07,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:07,205 INFO L87 Difference]: Start difference. First operand 2974 states and 5781 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:09,303 INFO L93 Difference]: Finished difference Result 5407 states and 10541 transitions. [2021-10-19 14:30:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:30:09,303 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:09,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:09,309 INFO L225 Difference]: With dead ends: 5407 [2021-10-19 14:30:09,309 INFO L226 Difference]: Without dead ends: 5407 [2021-10-19 14:30:09,310 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1658 ImplicationChecksByTransitivity, 1037.2ms TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:30:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5407 states. [2021-10-19 14:30:09,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5407 to 2991. [2021-10-19 14:30:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2991 states, 2979 states have (on average 1.9519973145350789) internal successors, (5815), 2990 states have internal predecessors, (5815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 5815 transitions. [2021-10-19 14:30:09,338 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 5815 transitions. Word has length 126 [2021-10-19 14:30:09,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:09,339 INFO L470 AbstractCegarLoop]: Abstraction has 2991 states and 5815 transitions. [2021-10-19 14:30:09,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 5815 transitions. [2021-10-19 14:30:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:09,340 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:09,340 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:09,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-10-19 14:30:09,340 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:09,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:09,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2035631516, now seen corresponding path program 93 times [2021-10-19 14:30:09,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:09,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451570729] [2021-10-19 14:30:09,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:09,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:09,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:09,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451570729] [2021-10-19 14:30:09,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451570729] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:09,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:09,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:09,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085386761] [2021-10-19 14:30:09,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:09,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:09,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:09,602 INFO L87 Difference]: Start difference. First operand 2991 states and 5815 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:12,136 INFO L93 Difference]: Finished difference Result 5734 states and 11118 transitions. [2021-10-19 14:30:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:12,136 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:12,142 INFO L225 Difference]: With dead ends: 5734 [2021-10-19 14:30:12,142 INFO L226 Difference]: Without dead ends: 5734 [2021-10-19 14:30:12,142 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1442 ImplicationChecksByTransitivity, 921.4ms TimeCoverageRelationStatistics Valid=676, Invalid=4436, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:12,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2021-10-19 14:30:12,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 3083. [2021-10-19 14:30:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 3071 states have (on average 1.954737870400521) internal successors, (6003), 3082 states have internal predecessors, (6003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 6003 transitions. [2021-10-19 14:30:12,170 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 6003 transitions. Word has length 126 [2021-10-19 14:30:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:12,170 INFO L470 AbstractCegarLoop]: Abstraction has 3083 states and 6003 transitions. [2021-10-19 14:30:12,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 6003 transitions. [2021-10-19 14:30:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:12,171 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:12,171 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:12,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-10-19 14:30:12,172 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:12,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:12,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1175478536, now seen corresponding path program 31 times [2021-10-19 14:30:12,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:12,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016044595] [2021-10-19 14:30:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:12,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:12,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:12,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016044595] [2021-10-19 14:30:12,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016044595] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:12,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:12,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:12,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956425569] [2021-10-19 14:30:12,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:12,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:12,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:12,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:12,569 INFO L87 Difference]: Start difference. First operand 3083 states and 6003 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:14,634 INFO L93 Difference]: Finished difference Result 3366 states and 6524 transitions. [2021-10-19 14:30:14,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:30:14,634 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:14,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:14,637 INFO L225 Difference]: With dead ends: 3366 [2021-10-19 14:30:14,637 INFO L226 Difference]: Without dead ends: 3366 [2021-10-19 14:30:14,638 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1211 ImplicationChecksByTransitivity, 1243.6ms TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:30:14,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2021-10-19 14:30:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3095. [2021-10-19 14:30:14,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 3083 states have (on average 1.9549140447615958) internal successors, (6027), 3094 states have internal predecessors, (6027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 6027 transitions. [2021-10-19 14:30:14,661 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 6027 transitions. Word has length 126 [2021-10-19 14:30:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:14,661 INFO L470 AbstractCegarLoop]: Abstraction has 3095 states and 6027 transitions. [2021-10-19 14:30:14,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 6027 transitions. [2021-10-19 14:30:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:14,662 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:14,662 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:14,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-10-19 14:30:14,662 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:14,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:14,662 INFO L82 PathProgramCache]: Analyzing trace with hash 2111540654, now seen corresponding path program 32 times [2021-10-19 14:30:14,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:14,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142420454] [2021-10-19 14:30:14,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:14,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:15,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:15,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142420454] [2021-10-19 14:30:15,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142420454] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:15,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:15,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:15,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485256644] [2021-10-19 14:30:15,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:15,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:15,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:15,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:15,065 INFO L87 Difference]: Start difference. First operand 3095 states and 6027 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:17,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:17,185 INFO L93 Difference]: Finished difference Result 3398 states and 6586 transitions. [2021-10-19 14:30:17,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:30:17,185 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:17,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:17,188 INFO L225 Difference]: With dead ends: 3398 [2021-10-19 14:30:17,188 INFO L226 Difference]: Without dead ends: 3398 [2021-10-19 14:30:17,188 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 1380.5ms TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:30:17,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2021-10-19 14:30:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3089. [2021-10-19 14:30:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3089 states, 3077 states have (on average 1.9548261293467664) internal successors, (6015), 3088 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 3089 states and 6015 transitions. [2021-10-19 14:30:17,211 INFO L78 Accepts]: Start accepts. Automaton has 3089 states and 6015 transitions. Word has length 126 [2021-10-19 14:30:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:17,211 INFO L470 AbstractCegarLoop]: Abstraction has 3089 states and 6015 transitions. [2021-10-19 14:30:17,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 6015 transitions. [2021-10-19 14:30:17,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:17,212 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:17,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:17,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-10-19 14:30:17,212 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:17,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:17,213 INFO L82 PathProgramCache]: Analyzing trace with hash 827567432, now seen corresponding path program 33 times [2021-10-19 14:30:17,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:17,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672889940] [2021-10-19 14:30:17,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:17,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:17,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:17,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672889940] [2021-10-19 14:30:17,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672889940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:17,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:17,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:17,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073259987] [2021-10-19 14:30:17,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:17,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:17,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:17,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:17,688 INFO L87 Difference]: Start difference. First operand 3089 states and 6015 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:20,602 INFO L93 Difference]: Finished difference Result 3427 states and 6642 transitions. [2021-10-19 14:30:20,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:20,602 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:20,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:20,605 INFO L225 Difference]: With dead ends: 3427 [2021-10-19 14:30:20,605 INFO L226 Difference]: Without dead ends: 3427 [2021-10-19 14:30:20,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 1994.0ms TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:20,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2021-10-19 14:30:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3083. [2021-10-19 14:30:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 3071 states have (on average 1.954737870400521) internal successors, (6003), 3082 states have internal predecessors, (6003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 6003 transitions. [2021-10-19 14:30:20,628 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 6003 transitions. Word has length 126 [2021-10-19 14:30:20,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:20,628 INFO L470 AbstractCegarLoop]: Abstraction has 3083 states and 6003 transitions. [2021-10-19 14:30:20,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 6003 transitions. [2021-10-19 14:30:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:20,629 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:20,629 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:20,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-10-19 14:30:20,629 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:20,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:20,630 INFO L82 PathProgramCache]: Analyzing trace with hash -855084562, now seen corresponding path program 34 times [2021-10-19 14:30:20,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:20,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191699414] [2021-10-19 14:30:20,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:20,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:20,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:20,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191699414] [2021-10-19 14:30:20,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191699414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:20,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:20,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:20,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251780297] [2021-10-19 14:30:21,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:21,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:21,002 INFO L87 Difference]: Start difference. First operand 3083 states and 6003 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:23,327 INFO L93 Difference]: Finished difference Result 3483 states and 6744 transitions. [2021-10-19 14:30:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:23,328 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:23,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:23,331 INFO L225 Difference]: With dead ends: 3483 [2021-10-19 14:30:23,331 INFO L226 Difference]: Without dead ends: 3483 [2021-10-19 14:30:23,332 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 1409.8ms TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:23,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3483 states. [2021-10-19 14:30:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3483 to 3069. [2021-10-19 14:30:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3069 states, 3057 states have (on average 1.9545305855413804) internal successors, (5975), 3068 states have internal predecessors, (5975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 5975 transitions. [2021-10-19 14:30:23,354 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 5975 transitions. Word has length 126 [2021-10-19 14:30:23,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:23,355 INFO L470 AbstractCegarLoop]: Abstraction has 3069 states and 5975 transitions. [2021-10-19 14:30:23,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:23,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 5975 transitions. [2021-10-19 14:30:23,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:23,356 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:23,356 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:23,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-10-19 14:30:23,356 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:23,356 INFO L82 PathProgramCache]: Analyzing trace with hash -198106916, now seen corresponding path program 35 times [2021-10-19 14:30:23,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:23,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267718865] [2021-10-19 14:30:23,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:23,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:23,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:23,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267718865] [2021-10-19 14:30:23,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267718865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:23,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:23,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:23,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259295614] [2021-10-19 14:30:23,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:23,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:23,778 INFO L87 Difference]: Start difference. First operand 3069 states and 5975 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:25,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:25,740 INFO L93 Difference]: Finished difference Result 3345 states and 6482 transitions. [2021-10-19 14:30:25,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:30:25,740 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:25,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:25,743 INFO L225 Difference]: With dead ends: 3345 [2021-10-19 14:30:25,743 INFO L226 Difference]: Without dead ends: 3345 [2021-10-19 14:30:25,743 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 1286.5ms TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:30:25,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2021-10-19 14:30:25,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 3075. [2021-10-19 14:30:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3075 states, 3063 states have (on average 1.9546196539340517) internal successors, (5987), 3074 states have internal predecessors, (5987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:25,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 5987 transitions. [2021-10-19 14:30:25,766 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 5987 transitions. Word has length 126 [2021-10-19 14:30:25,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:25,767 INFO L470 AbstractCegarLoop]: Abstraction has 3075 states and 5987 transitions. [2021-10-19 14:30:25,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 5987 transitions. [2021-10-19 14:30:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:25,768 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:25,768 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:25,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-10-19 14:30:25,768 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash 737955202, now seen corresponding path program 36 times [2021-10-19 14:30:25,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:25,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263301438] [2021-10-19 14:30:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:25,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:26,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:26,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263301438] [2021-10-19 14:30:26,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263301438] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:26,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:26,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:26,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312988044] [2021-10-19 14:30:26,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:26,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:26,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:26,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:26,163 INFO L87 Difference]: Start difference. First operand 3075 states and 5987 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:28,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:28,657 INFO L93 Difference]: Finished difference Result 3377 states and 6544 transitions. [2021-10-19 14:30:28,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:28,658 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:28,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:28,661 INFO L225 Difference]: With dead ends: 3377 [2021-10-19 14:30:28,661 INFO L226 Difference]: Without dead ends: 3377 [2021-10-19 14:30:28,661 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1512 ImplicationChecksByTransitivity, 1473.8ms TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:28,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2021-10-19 14:30:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 3069. [2021-10-19 14:30:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3069 states, 3057 states have (on average 1.9545305855413804) internal successors, (5975), 3068 states have internal predecessors, (5975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 5975 transitions. [2021-10-19 14:30:28,683 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 5975 transitions. Word has length 126 [2021-10-19 14:30:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:28,683 INFO L470 AbstractCegarLoop]: Abstraction has 3069 states and 5975 transitions. [2021-10-19 14:30:28,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 5975 transitions. [2021-10-19 14:30:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:28,684 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:28,684 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:28,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-10-19 14:30:28,685 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:28,685 INFO L82 PathProgramCache]: Analyzing trace with hash -546018020, now seen corresponding path program 37 times [2021-10-19 14:30:28,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:28,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436021651] [2021-10-19 14:30:28,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:28,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:29,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:29,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436021651] [2021-10-19 14:30:29,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436021651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:29,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:29,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:29,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442760430] [2021-10-19 14:30:29,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:29,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:29,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:29,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:29,166 INFO L87 Difference]: Start difference. First operand 3069 states and 5975 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:32,001 INFO L93 Difference]: Finished difference Result 3423 states and 6627 transitions. [2021-10-19 14:30:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:32,001 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:32,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:32,004 INFO L225 Difference]: With dead ends: 3423 [2021-10-19 14:30:32,004 INFO L226 Difference]: Without dead ends: 3423 [2021-10-19 14:30:32,005 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1497 ImplicationChecksByTransitivity, 1921.9ms TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:32,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3423 states. [2021-10-19 14:30:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3423 to 3055. [2021-10-19 14:30:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3055 states, 3043 states have (on average 1.954321393361814) internal successors, (5947), 3054 states have internal predecessors, (5947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 5947 transitions. [2021-10-19 14:30:32,026 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 5947 transitions. Word has length 126 [2021-10-19 14:30:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:32,027 INFO L470 AbstractCegarLoop]: Abstraction has 3055 states and 5947 transitions. [2021-10-19 14:30:32,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 5947 transitions. [2021-10-19 14:30:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:32,028 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:32,028 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:32,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-10-19 14:30:32,028 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:32,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:32,028 INFO L82 PathProgramCache]: Analyzing trace with hash -316024410, now seen corresponding path program 38 times [2021-10-19 14:30:32,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:32,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68041495] [2021-10-19 14:30:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:32,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:32,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:32,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68041495] [2021-10-19 14:30:32,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68041495] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:32,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:32,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:32,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714755571] [2021-10-19 14:30:32,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:32,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:32,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:32,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:32,440 INFO L87 Difference]: Start difference. First operand 3055 states and 5947 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:34,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:34,609 INFO L93 Difference]: Finished difference Result 3314 states and 6420 transitions. [2021-10-19 14:30:34,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:30:34,610 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:34,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:34,613 INFO L225 Difference]: With dead ends: 3314 [2021-10-19 14:30:34,613 INFO L226 Difference]: Without dead ends: 3314 [2021-10-19 14:30:34,613 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 1292.5ms TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:30:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2021-10-19 14:30:34,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3049. [2021-10-19 14:30:34,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3049 states, 3037 states have (on average 1.9542311491603557) internal successors, (5935), 3048 states have internal predecessors, (5935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 3049 states and 5935 transitions. [2021-10-19 14:30:34,635 INFO L78 Accepts]: Start accepts. Automaton has 3049 states and 5935 transitions. Word has length 126 [2021-10-19 14:30:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:34,635 INFO L470 AbstractCegarLoop]: Abstraction has 3049 states and 5935 transitions. [2021-10-19 14:30:34,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 5935 transitions. [2021-10-19 14:30:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:34,636 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:34,636 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:34,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-10-19 14:30:34,636 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:34,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:34,636 INFO L82 PathProgramCache]: Analyzing trace with hash 620037708, now seen corresponding path program 39 times [2021-10-19 14:30:34,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:34,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55270228] [2021-10-19 14:30:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:34,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:35,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:35,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55270228] [2021-10-19 14:30:35,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55270228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:35,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:35,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:35,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700288328] [2021-10-19 14:30:35,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:35,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:35,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:35,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:35,036 INFO L87 Difference]: Start difference. First operand 3049 states and 5935 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:37,314 INFO L93 Difference]: Finished difference Result 3329 states and 6444 transitions. [2021-10-19 14:30:37,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:30:37,314 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:37,317 INFO L225 Difference]: With dead ends: 3329 [2021-10-19 14:30:37,317 INFO L226 Difference]: Without dead ends: 3329 [2021-10-19 14:30:37,318 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1504 ImplicationChecksByTransitivity, 1431.4ms TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:30:37,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2021-10-19 14:30:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3027. [2021-10-19 14:30:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 3015 states have (on average 1.95257048092869) internal successors, (5887), 3026 states have internal predecessors, (5887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 5887 transitions. [2021-10-19 14:30:37,340 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 5887 transitions. Word has length 126 [2021-10-19 14:30:37,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:37,340 INFO L470 AbstractCegarLoop]: Abstraction has 3027 states and 5887 transitions. [2021-10-19 14:30:37,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 5887 transitions. [2021-10-19 14:30:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:37,341 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:37,341 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:37,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-10-19 14:30:37,341 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:37,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:37,341 INFO L82 PathProgramCache]: Analyzing trace with hash 699490034, now seen corresponding path program 40 times [2021-10-19 14:30:37,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:37,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127490197] [2021-10-19 14:30:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:37,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:37,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:37,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127490197] [2021-10-19 14:30:37,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127490197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:37,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:37,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:37,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822757783] [2021-10-19 14:30:37,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:37,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:37,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:37,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:37,741 INFO L87 Difference]: Start difference. First operand 3027 states and 5887 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:39,144 INFO L93 Difference]: Finished difference Result 4018 states and 7853 transitions. [2021-10-19 14:30:39,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:30:39,144 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:39,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:39,148 INFO L225 Difference]: With dead ends: 4018 [2021-10-19 14:30:39,148 INFO L226 Difference]: Without dead ends: 4018 [2021-10-19 14:30:39,148 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 805.6ms TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:30:39,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4018 states. [2021-10-19 14:30:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4018 to 3035. [2021-10-19 14:30:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3023 states have (on average 1.9526959973536222) internal successors, (5903), 3034 states have internal predecessors, (5903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 5903 transitions. [2021-10-19 14:30:39,187 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 5903 transitions. Word has length 126 [2021-10-19 14:30:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:39,187 INFO L470 AbstractCegarLoop]: Abstraction has 3035 states and 5903 transitions. [2021-10-19 14:30:39,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 5903 transitions. [2021-10-19 14:30:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:39,188 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:39,188 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:39,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-10-19 14:30:39,188 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:39,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1635552152, now seen corresponding path program 41 times [2021-10-19 14:30:39,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:39,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367660388] [2021-10-19 14:30:39,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:39,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:39,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:39,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367660388] [2021-10-19 14:30:39,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367660388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:39,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:39,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:39,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390063882] [2021-10-19 14:30:39,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:39,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:39,558 INFO L87 Difference]: Start difference. First operand 3035 states and 5903 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:41,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:41,179 INFO L93 Difference]: Finished difference Result 4060 states and 7935 transitions. [2021-10-19 14:30:41,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:30:41,179 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:41,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:41,183 INFO L225 Difference]: With dead ends: 4060 [2021-10-19 14:30:41,183 INFO L226 Difference]: Without dead ends: 4060 [2021-10-19 14:30:41,183 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 911.3ms TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:30:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2021-10-19 14:30:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 3046. [2021-10-19 14:30:41,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3034 states have (on average 1.9528675016479895) internal successors, (5925), 3045 states have internal predecessors, (5925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 5925 transitions. [2021-10-19 14:30:41,207 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 5925 transitions. Word has length 126 [2021-10-19 14:30:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:41,207 INFO L470 AbstractCegarLoop]: Abstraction has 3046 states and 5925 transitions. [2021-10-19 14:30:41,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 5925 transitions. [2021-10-19 14:30:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:41,208 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:41,208 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:41,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-10-19 14:30:41,208 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:41,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:41,208 INFO L82 PathProgramCache]: Analyzing trace with hash 351578930, now seen corresponding path program 42 times [2021-10-19 14:30:41,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:41,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671647158] [2021-10-19 14:30:41,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:41,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:41,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:41,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671647158] [2021-10-19 14:30:41,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671647158] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:41,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:41,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:41,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759253460] [2021-10-19 14:30:41,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:41,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:41,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:41,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:41,518 INFO L87 Difference]: Start difference. First operand 3046 states and 5925 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:43,323 INFO L93 Difference]: Finished difference Result 4099 states and 8011 transitions. [2021-10-19 14:30:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:30:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:43,327 INFO L225 Difference]: With dead ends: 4099 [2021-10-19 14:30:43,327 INFO L226 Difference]: Without dead ends: 4099 [2021-10-19 14:30:43,327 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 908.1ms TimeCoverageRelationStatistics Valid=553, Invalid=2987, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:30:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2021-10-19 14:30:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 3057. [2021-10-19 14:30:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 3045 states have (on average 1.9530377668308703) internal successors, (5947), 3056 states have internal predecessors, (5947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 5947 transitions. [2021-10-19 14:30:43,351 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 5947 transitions. Word has length 126 [2021-10-19 14:30:43,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:43,351 INFO L470 AbstractCegarLoop]: Abstraction has 3057 states and 5947 transitions. [2021-10-19 14:30:43,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 5947 transitions. [2021-10-19 14:30:43,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:43,352 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:43,352 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:43,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-10-19 14:30:43,352 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:43,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1331073064, now seen corresponding path program 43 times [2021-10-19 14:30:43,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:43,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086976523] [2021-10-19 14:30:43,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:43,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:43,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:43,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086976523] [2021-10-19 14:30:43,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086976523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:43,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:43,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:30:43,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144033098] [2021-10-19 14:30:43,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:30:43,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:43,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:30:43,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:30:43,649 INFO L87 Difference]: Start difference. First operand 3057 states and 5947 transitions. Second operand has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:45,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:45,502 INFO L93 Difference]: Finished difference Result 4141 states and 8093 transitions. [2021-10-19 14:30:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:30:45,502 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:45,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:45,506 INFO L225 Difference]: With dead ends: 4141 [2021-10-19 14:30:45,506 INFO L226 Difference]: Without dead ends: 4141 [2021-10-19 14:30:45,507 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 902.5ms TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:30:45,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4141 states. [2021-10-19 14:30:45,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4141 to 3068. [2021-10-19 14:30:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3068 states, 3056 states have (on average 1.9532068062827226) internal successors, (5969), 3067 states have internal predecessors, (5969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 5969 transitions. [2021-10-19 14:30:45,531 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 5969 transitions. Word has length 126 [2021-10-19 14:30:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:45,531 INFO L470 AbstractCegarLoop]: Abstraction has 3068 states and 5969 transitions. [2021-10-19 14:30:45,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.3) internal successors, (126), 21 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 5969 transitions. [2021-10-19 14:30:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:45,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:45,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:45,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-10-19 14:30:45,532 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:45,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:45,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1333629198, now seen corresponding path program 44 times [2021-10-19 14:30:45,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:45,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794900451] [2021-10-19 14:30:45,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:45,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:45,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:45,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794900451] [2021-10-19 14:30:45,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794900451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:45,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:45,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:45,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448670506] [2021-10-19 14:30:45,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:45,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:45,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:45,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:45,745 INFO L87 Difference]: Start difference. First operand 3068 states and 5969 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:47,105 INFO L93 Difference]: Finished difference Result 4647 states and 9025 transitions. [2021-10-19 14:30:47,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:30:47,106 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:47,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:47,110 INFO L225 Difference]: With dead ends: 4647 [2021-10-19 14:30:47,111 INFO L226 Difference]: Without dead ends: 4647 [2021-10-19 14:30:47,111 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 526.2ms TimeCoverageRelationStatistics Valid=445, Invalid=2747, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:30:47,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2021-10-19 14:30:47,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 3099. [2021-10-19 14:30:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 3087 states have (on average 1.9536767087787497) internal successors, (6031), 3098 states have internal predecessors, (6031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 6031 transitions. [2021-10-19 14:30:47,139 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 6031 transitions. Word has length 126 [2021-10-19 14:30:47,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:47,139 INFO L470 AbstractCegarLoop]: Abstraction has 3099 states and 6031 transitions. [2021-10-19 14:30:47,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 6031 transitions. [2021-10-19 14:30:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:47,141 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:47,141 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:47,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-10-19 14:30:47,141 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:47,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:47,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1018390036, now seen corresponding path program 94 times [2021-10-19 14:30:47,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:47,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404502878] [2021-10-19 14:30:47,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:47,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:47,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:47,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404502878] [2021-10-19 14:30:47,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404502878] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:47,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:47,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:47,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818919357] [2021-10-19 14:30:47,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:47,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:47,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:47,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:47,339 INFO L87 Difference]: Start difference. First operand 3099 states and 6031 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:49,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:49,239 INFO L93 Difference]: Finished difference Result 4951 states and 9561 transitions. [2021-10-19 14:30:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:30:49,239 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:49,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:49,244 INFO L225 Difference]: With dead ends: 4951 [2021-10-19 14:30:49,244 INFO L226 Difference]: Without dead ends: 4951 [2021-10-19 14:30:49,244 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 537.5ms TimeCoverageRelationStatistics Valid=431, Invalid=2761, Unknown=0, NotChecked=0, Total=3192 [2021-10-19 14:30:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2021-10-19 14:30:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 2957. [2021-10-19 14:30:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2957 states, 2945 states have (on average 1.9514431239388794) internal successors, (5747), 2956 states have internal predecessors, (5747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2957 states and 5747 transitions. [2021-10-19 14:30:49,271 INFO L78 Accepts]: Start accepts. Automaton has 2957 states and 5747 transitions. Word has length 126 [2021-10-19 14:30:49,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:49,271 INFO L470 AbstractCegarLoop]: Abstraction has 2957 states and 5747 transitions. [2021-10-19 14:30:49,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:49,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 5747 transitions. [2021-10-19 14:30:49,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:49,272 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:49,272 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:49,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-10-19 14:30:49,272 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:49,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:49,272 INFO L82 PathProgramCache]: Analyzing trace with hash 60352114, now seen corresponding path program 45 times [2021-10-19 14:30:49,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:49,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513726852] [2021-10-19 14:30:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:49,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:49,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:49,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513726852] [2021-10-19 14:30:49,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513726852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:49,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:49,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:49,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78602973] [2021-10-19 14:30:49,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:49,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:49,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:49,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:49,474 INFO L87 Difference]: Start difference. First operand 2957 states and 5747 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:51,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:51,058 INFO L93 Difference]: Finished difference Result 5523 states and 10700 transitions. [2021-10-19 14:30:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:30:51,058 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:51,063 INFO L225 Difference]: With dead ends: 5523 [2021-10-19 14:30:51,063 INFO L226 Difference]: Without dead ends: 5523 [2021-10-19 14:30:51,064 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 630.3ms TimeCoverageRelationStatistics Valid=578, Invalid=3844, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:30:51,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2021-10-19 14:30:51,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 3043. [2021-10-19 14:30:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3031 states have (on average 1.952820851204223) internal successors, (5919), 3042 states have internal predecessors, (5919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 5919 transitions. [2021-10-19 14:30:51,094 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 5919 transitions. Word has length 126 [2021-10-19 14:30:51,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:51,094 INFO L470 AbstractCegarLoop]: Abstraction has 3043 states and 5919 transitions. [2021-10-19 14:30:51,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 5919 transitions. [2021-10-19 14:30:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:51,095 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:51,095 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:51,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-10-19 14:30:51,095 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:51,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:51,095 INFO L82 PathProgramCache]: Analyzing trace with hash 375591276, now seen corresponding path program 95 times [2021-10-19 14:30:51,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:51,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439799629] [2021-10-19 14:30:51,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:51,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:51,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:51,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439799629] [2021-10-19 14:30:51,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439799629] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:51,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:51,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:51,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155500944] [2021-10-19 14:30:51,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:51,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:51,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:51,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:51,298 INFO L87 Difference]: Start difference. First operand 3043 states and 5919 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:53,331 INFO L93 Difference]: Finished difference Result 6476 states and 12474 transitions. [2021-10-19 14:30:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:30:53,331 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:53,338 INFO L225 Difference]: With dead ends: 6476 [2021-10-19 14:30:53,338 INFO L226 Difference]: Without dead ends: 6476 [2021-10-19 14:30:53,339 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 598.9ms TimeCoverageRelationStatistics Valid=525, Invalid=3507, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:30:53,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2021-10-19 14:30:53,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 2995. [2021-10-19 14:30:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2995 states, 2983 states have (on average 1.9520616828695945) internal successors, (5823), 2994 states have internal predecessors, (5823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 5823 transitions. [2021-10-19 14:30:53,369 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 5823 transitions. Word has length 126 [2021-10-19 14:30:53,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:53,370 INFO L470 AbstractCegarLoop]: Abstraction has 2995 states and 5823 transitions. [2021-10-19 14:30:53,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 5823 transitions. [2021-10-19 14:30:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:53,371 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:53,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:53,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-10-19 14:30:53,371 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:53,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:53,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1711705148, now seen corresponding path program 96 times [2021-10-19 14:30:53,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:53,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903711777] [2021-10-19 14:30:53,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:53,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:53,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:53,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903711777] [2021-10-19 14:30:53,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903711777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:53,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:53,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:53,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331412629] [2021-10-19 14:30:53,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:53,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:53,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:53,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:53,581 INFO L87 Difference]: Start difference. First operand 2995 states and 5823 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:55,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:55,671 INFO L93 Difference]: Finished difference Result 5865 states and 11314 transitions. [2021-10-19 14:30:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:30:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:55,676 INFO L225 Difference]: With dead ends: 5865 [2021-10-19 14:30:55,676 INFO L226 Difference]: Without dead ends: 5865 [2021-10-19 14:30:55,676 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 649.7ms TimeCoverageRelationStatistics Valid=480, Invalid=3180, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:30:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2021-10-19 14:30:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 2987. [2021-10-19 14:30:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 2975 states have (on average 1.9519327731092437) internal successors, (5807), 2986 states have internal predecessors, (5807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 5807 transitions. [2021-10-19 14:30:55,702 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 5807 transitions. Word has length 126 [2021-10-19 14:30:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:55,702 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 5807 transitions. [2021-10-19 14:30:55,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 5807 transitions. [2021-10-19 14:30:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:55,703 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:55,703 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:55,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-10-19 14:30:55,704 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:55,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:55,704 INFO L82 PathProgramCache]: Analyzing trace with hash -214637170, now seen corresponding path program 97 times [2021-10-19 14:30:55,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:55,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255616247] [2021-10-19 14:30:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:55,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:55,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:55,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255616247] [2021-10-19 14:30:55,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255616247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:55,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:55,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:55,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089893961] [2021-10-19 14:30:55,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:55,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:55,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:55,915 INFO L87 Difference]: Start difference. First operand 2987 states and 5807 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:58,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:30:58,170 INFO L93 Difference]: Finished difference Result 5787 states and 11158 transitions. [2021-10-19 14:30:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:30:58,171 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:30:58,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:30:58,178 INFO L225 Difference]: With dead ends: 5787 [2021-10-19 14:30:58,178 INFO L226 Difference]: Without dead ends: 5787 [2021-10-19 14:30:58,179 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 655.2ms TimeCoverageRelationStatistics Valid=492, Invalid=3168, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:30:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2021-10-19 14:30:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 2985. [2021-10-19 14:30:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2985 states, 2973 states have (on average 1.951900437268752) internal successors, (5803), 2984 states have internal predecessors, (5803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 2985 states and 5803 transitions. [2021-10-19 14:30:58,224 INFO L78 Accepts]: Start accepts. Automaton has 2985 states and 5803 transitions. Word has length 126 [2021-10-19 14:30:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:30:58,224 INFO L470 AbstractCegarLoop]: Abstraction has 2985 states and 5803 transitions. [2021-10-19 14:30:58,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:30:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 5803 transitions. [2021-10-19 14:30:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:30:58,225 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:30:58,226 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:30:58,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-10-19 14:30:58,226 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:30:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:30:58,226 INFO L82 PathProgramCache]: Analyzing trace with hash -2128024764, now seen corresponding path program 98 times [2021-10-19 14:30:58,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:30:58,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187589556] [2021-10-19 14:30:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:30:58,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:30:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:30:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:30:58,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:30:58,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187589556] [2021-10-19 14:30:58,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187589556] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:30:58,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:30:58,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:30:58,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500252753] [2021-10-19 14:30:58,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:30:58,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:30:58,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:30:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:30:58,435 INFO L87 Difference]: Start difference. First operand 2985 states and 5803 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:00,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:00,937 INFO L93 Difference]: Finished difference Result 5752 states and 11088 transitions. [2021-10-19 14:31:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:31:00,937 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:00,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:00,944 INFO L225 Difference]: With dead ends: 5752 [2021-10-19 14:31:00,944 INFO L226 Difference]: Without dead ends: 5752 [2021-10-19 14:31:00,945 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 678.5ms TimeCoverageRelationStatistics Valid=485, Invalid=3175, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:31:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2021-10-19 14:31:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 2965. [2021-10-19 14:31:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2953 states have (on average 1.9515746698272942) internal successors, (5763), 2964 states have internal predecessors, (5763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 5763 transitions. [2021-10-19 14:31:00,981 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 5763 transitions. Word has length 126 [2021-10-19 14:31:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:00,981 INFO L470 AbstractCegarLoop]: Abstraction has 2965 states and 5763 transitions. [2021-10-19 14:31:00,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 5763 transitions. [2021-10-19 14:31:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:00,982 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:00,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:00,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-10-19 14:31:00,982 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:00,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:00,982 INFO L82 PathProgramCache]: Analyzing trace with hash 22649394, now seen corresponding path program 46 times [2021-10-19 14:31:00,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:00,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088389814] [2021-10-19 14:31:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:00,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:01,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:01,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088389814] [2021-10-19 14:31:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088389814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:01,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:01,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:01,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502501778] [2021-10-19 14:31:01,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:01,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:01,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:01,202 INFO L87 Difference]: Start difference. First operand 2965 states and 5763 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:03,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:03,019 INFO L93 Difference]: Finished difference Result 5603 states and 10855 transitions. [2021-10-19 14:31:03,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:31:03,019 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:03,026 INFO L225 Difference]: With dead ends: 5603 [2021-10-19 14:31:03,026 INFO L226 Difference]: Without dead ends: 5603 [2021-10-19 14:31:03,026 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1575 ImplicationChecksByTransitivity, 714.7ms TimeCoverageRelationStatistics Valid=681, Invalid=4575, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:31:03,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5603 states. [2021-10-19 14:31:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5603 to 3072. [2021-10-19 14:31:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 3060 states have (on average 1.953267973856209) internal successors, (5977), 3071 states have internal predecessors, (5977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 5977 transitions. [2021-10-19 14:31:03,061 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 5977 transitions. Word has length 126 [2021-10-19 14:31:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:03,061 INFO L470 AbstractCegarLoop]: Abstraction has 3072 states and 5977 transitions. [2021-10-19 14:31:03,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 5977 transitions. [2021-10-19 14:31:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:03,070 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:03,070 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:03,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-10-19 14:31:03,070 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:03,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:03,071 INFO L82 PathProgramCache]: Analyzing trace with hash 337888556, now seen corresponding path program 99 times [2021-10-19 14:31:03,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:03,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010296286] [2021-10-19 14:31:03,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:03,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:03,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:03,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010296286] [2021-10-19 14:31:03,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010296286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:03,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:03,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:03,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157519754] [2021-10-19 14:31:03,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:03,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:03,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:03,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:03,268 INFO L87 Difference]: Start difference. First operand 3072 states and 5977 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:05,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:05,595 INFO L93 Difference]: Finished difference Result 6596 states and 12700 transitions. [2021-10-19 14:31:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:31:05,596 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:05,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:05,602 INFO L225 Difference]: With dead ends: 6596 [2021-10-19 14:31:05,603 INFO L226 Difference]: Without dead ends: 6576 [2021-10-19 14:31:05,603 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1484 ImplicationChecksByTransitivity, 712.3ms TimeCoverageRelationStatistics Valid=659, Invalid=4453, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:31:05,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6576 states. [2021-10-19 14:31:05,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6576 to 3024. [2021-10-19 14:31:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 3012 states have (on average 1.952523240371846) internal successors, (5881), 3023 states have internal predecessors, (5881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 5881 transitions. [2021-10-19 14:31:05,636 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 5881 transitions. Word has length 126 [2021-10-19 14:31:05,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:05,636 INFO L470 AbstractCegarLoop]: Abstraction has 3024 states and 5881 transitions. [2021-10-19 14:31:05,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 5881 transitions. [2021-10-19 14:31:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:05,637 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:05,637 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:05,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-10-19 14:31:05,637 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:05,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:05,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1749407868, now seen corresponding path program 100 times [2021-10-19 14:31:05,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:05,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953445992] [2021-10-19 14:31:05,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:05,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:05,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:05,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953445992] [2021-10-19 14:31:05,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953445992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:05,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:05,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:05,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655557608] [2021-10-19 14:31:05,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:05,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:05,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:05,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:05,849 INFO L87 Difference]: Start difference. First operand 3024 states and 5881 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:08,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:08,497 INFO L93 Difference]: Finished difference Result 7446 states and 14336 transitions. [2021-10-19 14:31:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:31:08,498 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:08,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:08,507 INFO L225 Difference]: With dead ends: 7446 [2021-10-19 14:31:08,507 INFO L226 Difference]: Without dead ends: 7446 [2021-10-19 14:31:08,507 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1484 ImplicationChecksByTransitivity, 824.3ms TimeCoverageRelationStatistics Valid=665, Invalid=4447, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:31:08,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2021-10-19 14:31:08,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 3026. [2021-10-19 14:31:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3026 states, 3014 states have (on average 1.9525547445255473) internal successors, (5885), 3025 states have internal predecessors, (5885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:08,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 3026 states and 5885 transitions. [2021-10-19 14:31:08,546 INFO L78 Accepts]: Start accepts. Automaton has 3026 states and 5885 transitions. Word has length 126 [2021-10-19 14:31:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:08,547 INFO L470 AbstractCegarLoop]: Abstraction has 3026 states and 5885 transitions. [2021-10-19 14:31:08,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3026 states and 5885 transitions. [2021-10-19 14:31:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:08,548 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:08,548 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:08,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-10-19 14:31:08,548 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:08,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:08,548 INFO L82 PathProgramCache]: Analyzing trace with hash -252339890, now seen corresponding path program 101 times [2021-10-19 14:31:08,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:08,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966802603] [2021-10-19 14:31:08,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:08,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:08,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:08,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966802603] [2021-10-19 14:31:08,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966802603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:08,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:08,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:08,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099574478] [2021-10-19 14:31:08,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:08,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:08,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:08,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:08,766 INFO L87 Difference]: Start difference. First operand 3026 states and 5885 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:11,395 INFO L93 Difference]: Finished difference Result 7233 states and 13910 transitions. [2021-10-19 14:31:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:31:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:11,405 INFO L225 Difference]: With dead ends: 7233 [2021-10-19 14:31:11,405 INFO L226 Difference]: Without dead ends: 7233 [2021-10-19 14:31:11,405 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1477 ImplicationChecksByTransitivity, 815.3ms TimeCoverageRelationStatistics Valid=677, Invalid=4435, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:31:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7233 states. [2021-10-19 14:31:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7233 to 3028. [2021-10-19 14:31:11,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 3016 states have (on average 1.9525862068965518) internal successors, (5889), 3027 states have internal predecessors, (5889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 5889 transitions. [2021-10-19 14:31:11,444 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 5889 transitions. Word has length 126 [2021-10-19 14:31:11,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:11,444 INFO L470 AbstractCegarLoop]: Abstraction has 3028 states and 5889 transitions. [2021-10-19 14:31:11,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 5889 transitions. [2021-10-19 14:31:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:11,445 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:11,446 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:11,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-10-19 14:31:11,446 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:11,446 INFO L82 PathProgramCache]: Analyzing trace with hash 2129239812, now seen corresponding path program 102 times [2021-10-19 14:31:11,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:11,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502520968] [2021-10-19 14:31:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:11,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:11,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:11,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502520968] [2021-10-19 14:31:11,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502520968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:11,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:11,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:11,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985958442] [2021-10-19 14:31:11,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:11,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:11,666 INFO L87 Difference]: Start difference. First operand 3028 states and 5889 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:14,740 INFO L93 Difference]: Finished difference Result 7333 states and 14110 transitions. [2021-10-19 14:31:14,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:31:14,741 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:14,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:14,749 INFO L225 Difference]: With dead ends: 7333 [2021-10-19 14:31:14,749 INFO L226 Difference]: Without dead ends: 7333 [2021-10-19 14:31:14,749 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1481 ImplicationChecksByTransitivity, 828.1ms TimeCoverageRelationStatistics Valid=670, Invalid=4442, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:31:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7333 states. [2021-10-19 14:31:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7333 to 3016. [2021-10-19 14:31:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 3004 states have (on average 1.9523968042609854) internal successors, (5865), 3015 states have internal predecessors, (5865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:14,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 5865 transitions. [2021-10-19 14:31:14,795 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 5865 transitions. Word has length 126 [2021-10-19 14:31:14,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:14,795 INFO L470 AbstractCegarLoop]: Abstraction has 3016 states and 5865 transitions. [2021-10-19 14:31:14,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:14,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 5865 transitions. [2021-10-19 14:31:14,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:14,796 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:14,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:14,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-10-19 14:31:14,796 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:14,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:14,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1315831620, now seen corresponding path program 103 times [2021-10-19 14:31:14,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:14,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498020813] [2021-10-19 14:31:14,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:14,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:15,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:15,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498020813] [2021-10-19 14:31:15,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498020813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:15,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:15,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:15,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417357451] [2021-10-19 14:31:15,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:15,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:15,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:15,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:15,024 INFO L87 Difference]: Start difference. First operand 3016 states and 5865 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:17,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:17,514 INFO L93 Difference]: Finished difference Result 6207 states and 11991 transitions. [2021-10-19 14:31:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:17,515 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:17,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:17,520 INFO L225 Difference]: With dead ends: 6207 [2021-10-19 14:31:17,521 INFO L226 Difference]: Without dead ends: 6207 [2021-10-19 14:31:17,521 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300 ImplicationChecksByTransitivity, 826.5ms TimeCoverageRelationStatistics Valid=624, Invalid=4068, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:31:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6207 states. [2021-10-19 14:31:17,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6207 to 3008. [2021-10-19 14:31:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 2996 states have (on average 1.9522696929238985) internal successors, (5849), 3007 states have internal predecessors, (5849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 5849 transitions. [2021-10-19 14:31:17,550 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 5849 transitions. Word has length 126 [2021-10-19 14:31:17,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:17,550 INFO L470 AbstractCegarLoop]: Abstraction has 3008 states and 5849 transitions. [2021-10-19 14:31:17,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:17,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 5849 transitions. [2021-10-19 14:31:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:17,551 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:17,551 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:17,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-10-19 14:31:17,551 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:17,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1482067698, now seen corresponding path program 104 times [2021-10-19 14:31:17,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:17,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63007950] [2021-10-19 14:31:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:17,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:17,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:17,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63007950] [2021-10-19 14:31:17,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63007950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:17,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:17,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:17,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369782989] [2021-10-19 14:31:17,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:17,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:17,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:17,764 INFO L87 Difference]: Start difference. First operand 3008 states and 5849 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:20,060 INFO L93 Difference]: Finished difference Result 6195 states and 11963 transitions. [2021-10-19 14:31:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:20,060 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:20,066 INFO L225 Difference]: With dead ends: 6195 [2021-10-19 14:31:20,066 INFO L226 Difference]: Without dead ends: 6195 [2021-10-19 14:31:20,067 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 923.4ms TimeCoverageRelationStatistics Valid=653, Invalid=4177, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6195 states. [2021-10-19 14:31:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6195 to 3010. [2021-10-19 14:31:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2998 states have (on average 1.9523015343562375) internal successors, (5853), 3009 states have internal predecessors, (5853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 5853 transitions. [2021-10-19 14:31:20,098 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 5853 transitions. Word has length 126 [2021-10-19 14:31:20,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:20,098 INFO L470 AbstractCegarLoop]: Abstraction has 3010 states and 5853 transitions. [2021-10-19 14:31:20,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 5853 transitions. [2021-10-19 14:31:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:20,099 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:20,099 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:20,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-10-19 14:31:20,099 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:20,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:20,099 INFO L82 PathProgramCache]: Analyzing trace with hash 899512004, now seen corresponding path program 105 times [2021-10-19 14:31:20,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:20,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131823283] [2021-10-19 14:31:20,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:20,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:20,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:20,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131823283] [2021-10-19 14:31:20,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131823283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:20,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:20,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:20,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271308383] [2021-10-19 14:31:20,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:20,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:20,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:20,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:20,332 INFO L87 Difference]: Start difference. First operand 3010 states and 5853 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:22,830 INFO L93 Difference]: Finished difference Result 6295 states and 12163 transitions. [2021-10-19 14:31:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:22,831 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:22,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:22,836 INFO L225 Difference]: With dead ends: 6295 [2021-10-19 14:31:22,836 INFO L226 Difference]: Without dead ends: 6295 [2021-10-19 14:31:22,836 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 905.3ms TimeCoverageRelationStatistics Valid=647, Invalid=4183, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:22,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2021-10-19 14:31:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 3006. [2021-10-19 14:31:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2994 states have (on average 1.9522378089512358) internal successors, (5845), 3005 states have internal predecessors, (5845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 5845 transitions. [2021-10-19 14:31:22,864 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 5845 transitions. Word has length 126 [2021-10-19 14:31:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:22,864 INFO L470 AbstractCegarLoop]: Abstraction has 3006 states and 5845 transitions. [2021-10-19 14:31:22,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 5845 transitions. [2021-10-19 14:31:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:22,865 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:22,865 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:22,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-10-19 14:31:22,865 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:22,866 INFO L82 PathProgramCache]: Analyzing trace with hash -72668274, now seen corresponding path program 106 times [2021-10-19 14:31:22,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:22,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214614435] [2021-10-19 14:31:22,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:22,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:23,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:23,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214614435] [2021-10-19 14:31:23,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214614435] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:23,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:23,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:23,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919109366] [2021-10-19 14:31:23,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:23,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:23,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:23,093 INFO L87 Difference]: Start difference. First operand 3006 states and 5845 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:25,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:25,667 INFO L93 Difference]: Finished difference Result 6121 states and 11820 transitions. [2021-10-19 14:31:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:25,667 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:25,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:25,673 INFO L225 Difference]: With dead ends: 6121 [2021-10-19 14:31:25,673 INFO L226 Difference]: Without dead ends: 6101 [2021-10-19 14:31:25,673 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 907.2ms TimeCoverageRelationStatistics Valid=704, Invalid=4266, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6101 states. [2021-10-19 14:31:25,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 2963. [2021-10-19 14:31:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2963 states, 2951 states have (on average 1.9515418502202644) internal successors, (5759), 2962 states have internal predecessors, (5759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2963 states and 5759 transitions. [2021-10-19 14:31:25,702 INFO L78 Accepts]: Start accepts. Automaton has 2963 states and 5759 transitions. Word has length 126 [2021-10-19 14:31:25,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:25,702 INFO L470 AbstractCegarLoop]: Abstraction has 2963 states and 5759 transitions. [2021-10-19 14:31:25,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2963 states and 5759 transitions. [2021-10-19 14:31:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:25,703 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:25,703 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:25,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-10-19 14:31:25,703 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:25,703 INFO L82 PathProgramCache]: Analyzing trace with hash 480941960, now seen corresponding path program 107 times [2021-10-19 14:31:25,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:25,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074519992] [2021-10-19 14:31:25,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:25,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:25,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:25,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074519992] [2021-10-19 14:31:25,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074519992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:25,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:25,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:25,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935571277] [2021-10-19 14:31:25,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:25,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:25,927 INFO L87 Difference]: Start difference. First operand 2963 states and 5759 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:28,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:28,568 INFO L93 Difference]: Finished difference Result 5901 states and 11377 transitions. [2021-10-19 14:31:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:28,568 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:28,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:28,573 INFO L225 Difference]: With dead ends: 5901 [2021-10-19 14:31:28,573 INFO L226 Difference]: Without dead ends: 5901 [2021-10-19 14:31:28,573 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1386 ImplicationChecksByTransitivity, 939.2ms TimeCoverageRelationStatistics Valid=685, Invalid=4285, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:28,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5901 states. [2021-10-19 14:31:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5901 to 2961. [2021-10-19 14:31:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2961 states, 2949 states have (on average 1.951508986096982) internal successors, (5755), 2960 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2961 states and 5755 transitions. [2021-10-19 14:31:28,601 INFO L78 Accepts]: Start accepts. Automaton has 2961 states and 5755 transitions. Word has length 126 [2021-10-19 14:31:28,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:28,601 INFO L470 AbstractCegarLoop]: Abstraction has 2961 states and 5755 transitions. [2021-10-19 14:31:28,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2961 states and 5755 transitions. [2021-10-19 14:31:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:28,602 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:28,602 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:28,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-10-19 14:31:28,603 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1362621402, now seen corresponding path program 108 times [2021-10-19 14:31:28,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:28,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807692644] [2021-10-19 14:31:28,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:28,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:28,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:28,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807692644] [2021-10-19 14:31:28,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807692644] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:28,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:28,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:28,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975493671] [2021-10-19 14:31:28,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:28,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:28,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:28,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:28,839 INFO L87 Difference]: Start difference. First operand 2961 states and 5755 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:31,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:31,676 INFO L93 Difference]: Finished difference Result 5822 states and 11223 transitions. [2021-10-19 14:31:31,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:31,677 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:31,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:31,683 INFO L225 Difference]: With dead ends: 5822 [2021-10-19 14:31:31,683 INFO L226 Difference]: Without dead ends: 5822 [2021-10-19 14:31:31,683 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1337 ImplicationChecksByTransitivity, 905.0ms TimeCoverageRelationStatistics Valid=661, Invalid=4169, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:31,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5822 states. [2021-10-19 14:31:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5822 to 2907. [2021-10-19 14:31:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2895 states have (on average 1.9506044905008635) internal successors, (5647), 2906 states have internal predecessors, (5647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 5647 transitions. [2021-10-19 14:31:31,710 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 5647 transitions. Word has length 126 [2021-10-19 14:31:31,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:31,711 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 5647 transitions. [2021-10-19 14:31:31,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 5647 transitions. [2021-10-19 14:31:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:31,711 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:31,712 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:31,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-10-19 14:31:31,712 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:31,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1271005302, now seen corresponding path program 47 times [2021-10-19 14:31:31,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:31,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173900675] [2021-10-19 14:31:31,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:31,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:31,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:31,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173900675] [2021-10-19 14:31:31,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173900675] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:31,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:31,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:31,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889169397] [2021-10-19 14:31:31,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:31,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:31,922 INFO L87 Difference]: Start difference. First operand 2907 states and 5647 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:33,372 INFO L93 Difference]: Finished difference Result 3833 states and 7411 transitions. [2021-10-19 14:31:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:31:33,372 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:33,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:33,376 INFO L225 Difference]: With dead ends: 3833 [2021-10-19 14:31:33,376 INFO L226 Difference]: Without dead ends: 3833 [2021-10-19 14:31:33,376 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 602.1ms TimeCoverageRelationStatistics Valid=640, Invalid=3520, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:31:33,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2021-10-19 14:31:33,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 2839. [2021-10-19 14:31:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2839 states, 2829 states have (on average 1.949805585012372) internal successors, (5516), 2838 states have internal predecessors, (5516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 5516 transitions. [2021-10-19 14:31:33,399 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 5516 transitions. Word has length 126 [2021-10-19 14:31:33,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:33,399 INFO L470 AbstractCegarLoop]: Abstraction has 2839 states and 5516 transitions. [2021-10-19 14:31:33,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5516 transitions. [2021-10-19 14:31:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:33,400 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:33,400 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:33,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-10-19 14:31:33,400 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:33,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1586244464, now seen corresponding path program 109 times [2021-10-19 14:31:33,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:33,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291898764] [2021-10-19 14:31:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:33,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:33,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:33,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291898764] [2021-10-19 14:31:33,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291898764] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:33,606 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:33,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:33,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085259665] [2021-10-19 14:31:33,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:33,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:33,607 INFO L87 Difference]: Start difference. First operand 2839 states and 5516 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:35,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:35,555 INFO L93 Difference]: Finished difference Result 4391 states and 8445 transitions. [2021-10-19 14:31:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:35,555 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:35,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:35,560 INFO L225 Difference]: With dead ends: 4391 [2021-10-19 14:31:35,560 INFO L226 Difference]: Without dead ends: 4371 [2021-10-19 14:31:35,560 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 719.3ms TimeCoverageRelationStatistics Valid=655, Invalid=4175, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2021-10-19 14:31:35,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 2731. [2021-10-19 14:31:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2721 states have (on average 1.9478133039323777) internal successors, (5300), 2730 states have internal predecessors, (5300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 5300 transitions. [2021-10-19 14:31:35,584 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 5300 transitions. Word has length 126 [2021-10-19 14:31:35,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:35,584 INFO L470 AbstractCegarLoop]: Abstraction has 2731 states and 5300 transitions. [2021-10-19 14:31:35,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:35,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 5300 transitions. [2021-10-19 14:31:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:35,585 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:35,585 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:35,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-10-19 14:31:35,585 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:35,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:35,585 INFO L82 PathProgramCache]: Analyzing trace with hash -501051960, now seen corresponding path program 110 times [2021-10-19 14:31:35,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:35,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485375838] [2021-10-19 14:31:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:35,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:35,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:35,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485375838] [2021-10-19 14:31:35,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485375838] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:35,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:35,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:35,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720013195] [2021-10-19 14:31:35,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:35,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:35,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:35,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:35,795 INFO L87 Difference]: Start difference. First operand 2731 states and 5300 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:37,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:37,948 INFO L93 Difference]: Finished difference Result 5241 states and 10081 transitions. [2021-10-19 14:31:37,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:37,948 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:37,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:37,953 INFO L225 Difference]: With dead ends: 5241 [2021-10-19 14:31:37,953 INFO L226 Difference]: Without dead ends: 5241 [2021-10-19 14:31:37,954 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 811.2ms TimeCoverageRelationStatistics Valid=661, Invalid=4169, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:37,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2021-10-19 14:31:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 2733. [2021-10-19 14:31:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2733 states, 2723 states have (on average 1.9478516342269556) internal successors, (5304), 2732 states have internal predecessors, (5304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:37,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 5304 transitions. [2021-10-19 14:31:37,990 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 5304 transitions. Word has length 126 [2021-10-19 14:31:37,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:37,990 INFO L470 AbstractCegarLoop]: Abstraction has 2733 states and 5304 transitions. [2021-10-19 14:31:37,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 5304 transitions. [2021-10-19 14:31:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:37,991 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:37,991 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:37,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-10-19 14:31:37,991 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:37,991 INFO L82 PathProgramCache]: Analyzing trace with hash 996016018, now seen corresponding path program 111 times [2021-10-19 14:31:37,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:37,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122688308] [2021-10-19 14:31:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:37,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:38,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:38,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122688308] [2021-10-19 14:31:38,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122688308] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:38,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:38,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:38,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431332837] [2021-10-19 14:31:38,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:38,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:38,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:38,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:38,200 INFO L87 Difference]: Start difference. First operand 2733 states and 5304 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:40,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:40,506 INFO L93 Difference]: Finished difference Result 5028 states and 9655 transitions. [2021-10-19 14:31:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:40,506 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:40,511 INFO L225 Difference]: With dead ends: 5028 [2021-10-19 14:31:40,511 INFO L226 Difference]: Without dead ends: 5028 [2021-10-19 14:31:40,511 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 803.2ms TimeCoverageRelationStatistics Valid=673, Invalid=4157, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5028 states. [2021-10-19 14:31:40,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5028 to 2735. [2021-10-19 14:31:40,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 2725 states have (on average 1.9478899082568808) internal successors, (5308), 2734 states have internal predecessors, (5308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 5308 transitions. [2021-10-19 14:31:40,535 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 5308 transitions. Word has length 126 [2021-10-19 14:31:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:40,536 INFO L470 AbstractCegarLoop]: Abstraction has 2735 states and 5308 transitions. [2021-10-19 14:31:40,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 5308 transitions. [2021-10-19 14:31:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:40,537 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:40,537 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:40,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-10-19 14:31:40,537 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:40,537 INFO L82 PathProgramCache]: Analyzing trace with hash -917371576, now seen corresponding path program 112 times [2021-10-19 14:31:40,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:40,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132965792] [2021-10-19 14:31:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:40,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:40,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:40,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132965792] [2021-10-19 14:31:40,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132965792] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:40,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:40,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:40,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026464523] [2021-10-19 14:31:40,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:40,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:40,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:40,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:40,741 INFO L87 Difference]: Start difference. First operand 2735 states and 5308 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:42,985 INFO L93 Difference]: Finished difference Result 5128 states and 9855 transitions. [2021-10-19 14:31:42,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:42,986 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:42,991 INFO L225 Difference]: With dead ends: 5128 [2021-10-19 14:31:42,991 INFO L226 Difference]: Without dead ends: 5128 [2021-10-19 14:31:42,991 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 819.6ms TimeCoverageRelationStatistics Valid=666, Invalid=4164, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:42,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5128 states. [2021-10-19 14:31:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5128 to 2723. [2021-10-19 14:31:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2723 states, 2713 states have (on average 1.9476594176188722) internal successors, (5284), 2722 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:43,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2723 states and 5284 transitions. [2021-10-19 14:31:43,017 INFO L78 Accepts]: Start accepts. Automaton has 2723 states and 5284 transitions. Word has length 126 [2021-10-19 14:31:43,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:43,017 INFO L470 AbstractCegarLoop]: Abstraction has 2723 states and 5284 transitions. [2021-10-19 14:31:43,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:43,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 5284 transitions. [2021-10-19 14:31:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:43,018 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:43,018 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:43,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-10-19 14:31:43,018 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:43,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1730779768, now seen corresponding path program 113 times [2021-10-19 14:31:43,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:43,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848734776] [2021-10-19 14:31:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:43,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:43,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:43,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848734776] [2021-10-19 14:31:43,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848734776] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:43,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:43,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:43,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342923473] [2021-10-19 14:31:43,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:43,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:43,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:43,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:43,232 INFO L87 Difference]: Start difference. First operand 2723 states and 5284 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:45,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:45,446 INFO L93 Difference]: Finished difference Result 5277 states and 10151 transitions. [2021-10-19 14:31:45,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:31:45,447 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:45,452 INFO L225 Difference]: With dead ends: 5277 [2021-10-19 14:31:45,452 INFO L226 Difference]: Without dead ends: 5277 [2021-10-19 14:31:45,452 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 853.0ms TimeCoverageRelationStatistics Valid=663, Invalid=4029, Unknown=0, NotChecked=0, Total=4692 [2021-10-19 14:31:45,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2021-10-19 14:31:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 2728. [2021-10-19 14:31:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 2718 states have (on average 1.9477557027225902) internal successors, (5294), 2727 states have internal predecessors, (5294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 5294 transitions. [2021-10-19 14:31:45,489 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 5294 transitions. Word has length 126 [2021-10-19 14:31:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:45,489 INFO L470 AbstractCegarLoop]: Abstraction has 2728 states and 5294 transitions. [2021-10-19 14:31:45,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 5294 transitions. [2021-10-19 14:31:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:45,490 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:45,490 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:45,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-10-19 14:31:45,490 INFO L402 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:45,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:45,490 INFO L82 PathProgramCache]: Analyzing trace with hash -233711790, now seen corresponding path program 114 times [2021-10-19 14:31:45,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:45,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396946247] [2021-10-19 14:31:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:45,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:45,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:45,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396946247] [2021-10-19 14:31:45,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396946247] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:45,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:45,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:45,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933888613] [2021-10-19 14:31:45,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:45,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:45,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:45,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:45,729 INFO L87 Difference]: Start difference. First operand 2728 states and 5294 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:47,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:47,875 INFO L93 Difference]: Finished difference Result 5130 states and 9853 transitions. [2021-10-19 14:31:47,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:47,875 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:47,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:47,880 INFO L225 Difference]: With dead ends: 5130 [2021-10-19 14:31:47,880 INFO L226 Difference]: Without dead ends: 5130 [2021-10-19 14:31:47,881 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 945.2ms TimeCoverageRelationStatistics Valid=692, Invalid=4138, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:47,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2021-10-19 14:31:47,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 2730. [2021-10-19 14:31:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2720 states have (on average 1.9477941176470588) internal successors, (5298), 2729 states have internal predecessors, (5298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 5298 transitions. [2021-10-19 14:31:47,907 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 5298 transitions. Word has length 126 [2021-10-19 14:31:47,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:47,907 INFO L470 AbstractCegarLoop]: Abstraction has 2730 states and 5298 transitions. [2021-10-19 14:31:47,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 5298 transitions. [2021-10-19 14:31:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:47,908 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:47,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:47,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-10-19 14:31:47,908 INFO L402 AbstractCegarLoop]: === Iteration 200 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:47,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:47,908 INFO L82 PathProgramCache]: Analyzing trace with hash -2147099384, now seen corresponding path program 115 times [2021-10-19 14:31:47,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:47,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095786989] [2021-10-19 14:31:47,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:47,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:48,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:48,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095786989] [2021-10-19 14:31:48,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095786989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:48,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:48,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:48,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400095437] [2021-10-19 14:31:48,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:48,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:48,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:48,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:48,134 INFO L87 Difference]: Start difference. First operand 2730 states and 5298 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:50,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:50,560 INFO L93 Difference]: Finished difference Result 5230 states and 10053 transitions. [2021-10-19 14:31:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:50,560 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:50,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:50,566 INFO L225 Difference]: With dead ends: 5230 [2021-10-19 14:31:50,566 INFO L226 Difference]: Without dead ends: 5230 [2021-10-19 14:31:50,566 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 915.5ms TimeCoverageRelationStatistics Valid=686, Invalid=4144, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:50,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5230 states. [2021-10-19 14:31:50,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5230 to 2726. [2021-10-19 14:31:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2726 states, 2716 states have (on average 1.9477172312223858) internal successors, (5290), 2725 states have internal predecessors, (5290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2726 states and 5290 transitions. [2021-10-19 14:31:50,591 INFO L78 Accepts]: Start accepts. Automaton has 2726 states and 5290 transitions. Word has length 126 [2021-10-19 14:31:50,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:50,591 INFO L470 AbstractCegarLoop]: Abstraction has 2726 states and 5290 transitions. [2021-10-19 14:31:50,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 5290 transitions. [2021-10-19 14:31:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:50,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:50,592 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:50,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-10-19 14:31:50,592 INFO L402 AbstractCegarLoop]: === Iteration 201 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:50,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1175687634, now seen corresponding path program 116 times [2021-10-19 14:31:50,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:50,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623618606] [2021-10-19 14:31:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:50,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:50,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:50,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623618606] [2021-10-19 14:31:50,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623618606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:50,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:50,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:50,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140527937] [2021-10-19 14:31:50,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:50,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:50,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:50,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:50,811 INFO L87 Difference]: Start difference. First operand 2726 states and 5290 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:53,168 INFO L93 Difference]: Finished difference Result 5066 states and 9729 transitions. [2021-10-19 14:31:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:53,174 INFO L225 Difference]: With dead ends: 5066 [2021-10-19 14:31:53,174 INFO L226 Difference]: Without dead ends: 5066 [2021-10-19 14:31:53,174 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 922.8ms TimeCoverageRelationStatistics Valid=747, Invalid=4223, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:53,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5066 states. [2021-10-19 14:31:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5066 to 2729. [2021-10-19 14:31:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2729 states, 2719 states have (on average 1.9477749172489887) internal successors, (5296), 2728 states have internal predecessors, (5296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 5296 transitions. [2021-10-19 14:31:53,210 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 5296 transitions. Word has length 126 [2021-10-19 14:31:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:53,210 INFO L470 AbstractCegarLoop]: Abstraction has 2729 states and 5296 transitions. [2021-10-19 14:31:53,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:53,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 5296 transitions. [2021-10-19 14:31:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:53,211 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:53,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:53,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-10-19 14:31:53,211 INFO L402 AbstractCegarLoop]: === Iteration 202 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:53,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:53,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1729297868, now seen corresponding path program 117 times [2021-10-19 14:31:53,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:53,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777002869] [2021-10-19 14:31:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:53,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:53,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:53,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777002869] [2021-10-19 14:31:53,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777002869] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:53,426 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:53,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:53,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345774235] [2021-10-19 14:31:53,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:53,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:53,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:53,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:53,427 INFO L87 Difference]: Start difference. First operand 2729 states and 5296 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:55,691 INFO L93 Difference]: Finished difference Result 5106 states and 9805 transitions. [2021-10-19 14:31:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:31:55,692 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:55,696 INFO L225 Difference]: With dead ends: 5106 [2021-10-19 14:31:55,696 INFO L226 Difference]: Without dead ends: 5106 [2021-10-19 14:31:55,697 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 957.6ms TimeCoverageRelationStatistics Valid=726, Invalid=4244, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:31:55,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5106 states. [2021-10-19 14:31:55,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5106 to 2731. [2021-10-19 14:31:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2721 states have (on average 1.9478133039323777) internal successors, (5300), 2730 states have internal predecessors, (5300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 5300 transitions. [2021-10-19 14:31:55,723 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 5300 transitions. Word has length 126 [2021-10-19 14:31:55,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:55,723 INFO L470 AbstractCegarLoop]: Abstraction has 2731 states and 5300 transitions. [2021-10-19 14:31:55,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 5300 transitions. [2021-10-19 14:31:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:55,724 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:55,724 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:55,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-10-19 14:31:55,724 INFO L402 AbstractCegarLoop]: === Iteration 203 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:55,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:55,724 INFO L82 PathProgramCache]: Analyzing trace with hash -114265494, now seen corresponding path program 118 times [2021-10-19 14:31:55,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:55,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263051623] [2021-10-19 14:31:55,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:55,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:55,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:55,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263051623] [2021-10-19 14:31:55,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263051623] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:55,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:55,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:55,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358139606] [2021-10-19 14:31:55,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:55,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:55,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:55,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:55,937 INFO L87 Difference]: Start difference. First operand 2731 states and 5300 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:58,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:31:58,296 INFO L93 Difference]: Finished difference Result 5162 states and 9921 transitions. [2021-10-19 14:31:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:31:58,296 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:31:58,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:31:58,301 INFO L225 Difference]: With dead ends: 5162 [2021-10-19 14:31:58,301 INFO L226 Difference]: Without dead ends: 5162 [2021-10-19 14:31:58,302 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1338 ImplicationChecksByTransitivity, 903.3ms TimeCoverageRelationStatistics Valid=702, Invalid=4128, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:31:58,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2021-10-19 14:31:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 2711. [2021-10-19 14:31:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 2701 states have (on average 1.9474268789337283) internal successors, (5260), 2710 states have internal predecessors, (5260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 5260 transitions. [2021-10-19 14:31:58,327 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 5260 transitions. Word has length 126 [2021-10-19 14:31:58,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:31:58,327 INFO L470 AbstractCegarLoop]: Abstraction has 2711 states and 5260 transitions. [2021-10-19 14:31:58,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:31:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 5260 transitions. [2021-10-19 14:31:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:31:58,328 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:31:58,328 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:31:58,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-10-19 14:31:58,328 INFO L402 AbstractCegarLoop]: === Iteration 204 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:31:58,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:31:58,328 INFO L82 PathProgramCache]: Analyzing trace with hash 879853322, now seen corresponding path program 119 times [2021-10-19 14:31:58,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:31:58,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147228503] [2021-10-19 14:31:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:31:58,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:31:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:31:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:31:58,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:31:58,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147228503] [2021-10-19 14:31:58,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147228503] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:31:58,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:31:58,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:31:58,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554340467] [2021-10-19 14:31:58,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:31:58,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:31:58,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:31:58,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:31:58,539 INFO L87 Difference]: Start difference. First operand 2711 states and 5260 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:00,246 INFO L93 Difference]: Finished difference Result 3597 states and 6928 transitions. [2021-10-19 14:32:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:32:00,247 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:00,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:00,250 INFO L225 Difference]: With dead ends: 3597 [2021-10-19 14:32:00,250 INFO L226 Difference]: Without dead ends: 3597 [2021-10-19 14:32:00,251 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 785.2ms TimeCoverageRelationStatistics Valid=501, Invalid=3159, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:32:00,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2021-10-19 14:32:00,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 2672. [2021-10-19 14:32:00,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2662 states have (on average 1.946656649135988) internal successors, (5182), 2671 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 5182 transitions. [2021-10-19 14:32:00,272 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 5182 transitions. Word has length 126 [2021-10-19 14:32:00,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:00,272 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 5182 transitions. [2021-10-19 14:32:00,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 5182 transitions. [2021-10-19 14:32:00,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:00,273 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:00,273 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:00,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-10-19 14:32:00,273 INFO L402 AbstractCegarLoop]: === Iteration 205 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:00,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:00,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1918045996, now seen corresponding path program 120 times [2021-10-19 14:32:00,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:00,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875393886] [2021-10-19 14:32:00,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:00,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:00,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:00,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875393886] [2021-10-19 14:32:00,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875393886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:00,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:00,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:00,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760264872] [2021-10-19 14:32:00,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:00,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:00,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:00,498 INFO L87 Difference]: Start difference. First operand 2672 states and 5182 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:02,241 INFO L93 Difference]: Finished difference Result 3585 states and 6900 transitions. [2021-10-19 14:32:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:32:02,242 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:02,246 INFO L225 Difference]: With dead ends: 3585 [2021-10-19 14:32:02,246 INFO L226 Difference]: Without dead ends: 3585 [2021-10-19 14:32:02,246 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 854.4ms TimeCoverageRelationStatistics Valid=527, Invalid=3255, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:32:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2021-10-19 14:32:02,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 2674. [2021-10-19 14:32:02,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2664 states have (on average 1.9466966966966968) internal successors, (5186), 2673 states have internal predecessors, (5186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 5186 transitions. [2021-10-19 14:32:02,268 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 5186 transitions. Word has length 126 [2021-10-19 14:32:02,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:02,268 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 5186 transitions. [2021-10-19 14:32:02,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 5186 transitions. [2021-10-19 14:32:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:02,269 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:02,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:02,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-10-19 14:32:02,269 INFO L402 AbstractCegarLoop]: === Iteration 206 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:02,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:02,269 INFO L82 PathProgramCache]: Analyzing trace with hash 463533706, now seen corresponding path program 121 times [2021-10-19 14:32:02,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:02,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250819405] [2021-10-19 14:32:02,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:02,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:02,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:02,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250819405] [2021-10-19 14:32:02,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250819405] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:02,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:02,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:02,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837014359] [2021-10-19 14:32:02,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:02,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:02,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:02,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:02,505 INFO L87 Difference]: Start difference. First operand 2674 states and 5186 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:04,257 INFO L93 Difference]: Finished difference Result 3685 states and 7100 transitions. [2021-10-19 14:32:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:32:04,258 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:04,261 INFO L225 Difference]: With dead ends: 3685 [2021-10-19 14:32:04,261 INFO L226 Difference]: Without dead ends: 3685 [2021-10-19 14:32:04,262 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 851.6ms TimeCoverageRelationStatistics Valid=521, Invalid=3261, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:32:04,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3685 states. [2021-10-19 14:32:04,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3685 to 2670. [2021-10-19 14:32:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2660 states have (on average 1.9466165413533834) internal successors, (5178), 2669 states have internal predecessors, (5178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 5178 transitions. [2021-10-19 14:32:04,297 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 5178 transitions. Word has length 126 [2021-10-19 14:32:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:04,298 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 5178 transitions. [2021-10-19 14:32:04,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 5178 transitions. [2021-10-19 14:32:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:04,298 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:04,298 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:04,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-10-19 14:32:04,299 INFO L402 AbstractCegarLoop]: === Iteration 207 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:04,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:04,299 INFO L82 PathProgramCache]: Analyzing trace with hash -508646572, now seen corresponding path program 122 times [2021-10-19 14:32:04,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:04,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918206959] [2021-10-19 14:32:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:04,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:04,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:04,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918206959] [2021-10-19 14:32:04,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918206959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:04,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:04,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:04,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620934791] [2021-10-19 14:32:04,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:04,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:04,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:04,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:04,524 INFO L87 Difference]: Start difference. First operand 2670 states and 5178 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:06,300 INFO L93 Difference]: Finished difference Result 3620 states and 6968 transitions. [2021-10-19 14:32:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:32:06,300 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:06,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:06,303 INFO L225 Difference]: With dead ends: 3620 [2021-10-19 14:32:06,303 INFO L226 Difference]: Without dead ends: 3620 [2021-10-19 14:32:06,303 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 896.2ms TimeCoverageRelationStatistics Valid=600, Invalid=3432, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2021-10-19 14:32:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 2673. [2021-10-19 14:32:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2663 states have (on average 1.946676680435599) internal successors, (5184), 2672 states have internal predecessors, (5184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 5184 transitions. [2021-10-19 14:32:06,323 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 5184 transitions. Word has length 126 [2021-10-19 14:32:06,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:06,324 INFO L470 AbstractCegarLoop]: Abstraction has 2673 states and 5184 transitions. [2021-10-19 14:32:06,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5184 transitions. [2021-10-19 14:32:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:06,324 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:06,324 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:06,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-10-19 14:32:06,325 INFO L402 AbstractCegarLoop]: === Iteration 208 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:06,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:06,325 INFO L82 PathProgramCache]: Analyzing trace with hash 44963662, now seen corresponding path program 123 times [2021-10-19 14:32:06,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:06,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016937058] [2021-10-19 14:32:06,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:06,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:06,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:06,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016937058] [2021-10-19 14:32:06,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016937058] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:06,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:06,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:06,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57113994] [2021-10-19 14:32:06,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:06,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:06,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:06,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:06,545 INFO L87 Difference]: Start difference. First operand 2673 states and 5184 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:08,410 INFO L93 Difference]: Finished difference Result 3660 states and 7044 transitions. [2021-10-19 14:32:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-19 14:32:08,411 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:08,414 INFO L225 Difference]: With dead ends: 3660 [2021-10-19 14:32:08,414 INFO L226 Difference]: Without dead ends: 3660 [2021-10-19 14:32:08,414 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 916.1ms TimeCoverageRelationStatistics Valid=580, Invalid=3452, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:08,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2021-10-19 14:32:08,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 2675. [2021-10-19 14:32:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2675 states, 2665 states have (on average 1.94671669793621) internal successors, (5188), 2674 states have internal predecessors, (5188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2675 states and 5188 transitions. [2021-10-19 14:32:08,435 INFO L78 Accepts]: Start accepts. Automaton has 2675 states and 5188 transitions. Word has length 126 [2021-10-19 14:32:08,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:08,435 INFO L470 AbstractCegarLoop]: Abstraction has 2675 states and 5188 transitions. [2021-10-19 14:32:08,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 5188 transitions. [2021-10-19 14:32:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:08,436 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:08,436 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:08,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-10-19 14:32:08,436 INFO L402 AbstractCegarLoop]: === Iteration 209 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:08,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:08,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1798599700, now seen corresponding path program 124 times [2021-10-19 14:32:08,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:08,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461525788] [2021-10-19 14:32:08,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:08,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:08,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:08,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461525788] [2021-10-19 14:32:08,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461525788] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:08,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:08,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:08,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583488052] [2021-10-19 14:32:08,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:08,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:08,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:08,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:08,665 INFO L87 Difference]: Start difference. First operand 2675 states and 5188 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:10,551 INFO L93 Difference]: Finished difference Result 3716 states and 7160 transitions. [2021-10-19 14:32:10,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:32:10,551 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:10,554 INFO L225 Difference]: With dead ends: 3716 [2021-10-19 14:32:10,554 INFO L226 Difference]: Without dead ends: 3716 [2021-10-19 14:32:10,555 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 877.1ms TimeCoverageRelationStatistics Valid=558, Invalid=3348, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:32:10,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2021-10-19 14:32:10,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 2667. [2021-10-19 14:32:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2657 states have (on average 1.946556266465939) internal successors, (5172), 2666 states have internal predecessors, (5172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5172 transitions. [2021-10-19 14:32:10,575 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5172 transitions. Word has length 126 [2021-10-19 14:32:10,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:10,575 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5172 transitions. [2021-10-19 14:32:10,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5172 transitions. [2021-10-19 14:32:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:10,576 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:10,576 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:10,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-10-19 14:32:10,577 INFO L402 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:10,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:10,577 INFO L82 PathProgramCache]: Analyzing trace with hash 5103082, now seen corresponding path program 125 times [2021-10-19 14:32:10,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:10,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902870614] [2021-10-19 14:32:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:10,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:10,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:10,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902870614] [2021-10-19 14:32:10,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902870614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:10,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:10,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:10,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427650742] [2021-10-19 14:32:10,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:10,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:10,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:10,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:10,803 INFO L87 Difference]: Start difference. First operand 2667 states and 5172 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:12,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:12,550 INFO L93 Difference]: Finished difference Result 3584 states and 6896 transitions. [2021-10-19 14:32:12,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-19 14:32:12,550 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:12,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:12,553 INFO L225 Difference]: With dead ends: 3584 [2021-10-19 14:32:12,554 INFO L226 Difference]: Without dead ends: 3584 [2021-10-19 14:32:12,554 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 985 ImplicationChecksByTransitivity, 868.6ms TimeCoverageRelationStatistics Valid=547, Invalid=3235, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:32:12,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2021-10-19 14:32:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 2667. [2021-10-19 14:32:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2657 states have (on average 1.946556266465939) internal successors, (5172), 2666 states have internal predecessors, (5172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5172 transitions. [2021-10-19 14:32:12,574 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5172 transitions. Word has length 126 [2021-10-19 14:32:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:12,574 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5172 transitions. [2021-10-19 14:32:12,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5172 transitions. [2021-10-19 14:32:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:12,575 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:12,575 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:12,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-10-19 14:32:12,576 INFO L402 AbstractCegarLoop]: === Iteration 211 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:12,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:12,576 INFO L82 PathProgramCache]: Analyzing trace with hash 2027588550, now seen corresponding path program 126 times [2021-10-19 14:32:12,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:12,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86402197] [2021-10-19 14:32:12,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:12,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:12,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:12,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86402197] [2021-10-19 14:32:12,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86402197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:12,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:12,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:12,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346258194] [2021-10-19 14:32:12,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:12,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:12,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:12,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:12,799 INFO L87 Difference]: Start difference. First operand 2667 states and 5172 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:14,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:14,589 INFO L93 Difference]: Finished difference Result 3576 states and 6882 transitions. [2021-10-19 14:32:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:32:14,590 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:14,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:14,593 INFO L225 Difference]: With dead ends: 3576 [2021-10-19 14:32:14,593 INFO L226 Difference]: Without dead ends: 3576 [2021-10-19 14:32:14,593 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 878.7ms TimeCoverageRelationStatistics Valid=508, Invalid=3152, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:32:14,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2021-10-19 14:32:14,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 2667. [2021-10-19 14:32:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2657 states have (on average 1.946556266465939) internal successors, (5172), 2666 states have internal predecessors, (5172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5172 transitions. [2021-10-19 14:32:14,614 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5172 transitions. Word has length 126 [2021-10-19 14:32:14,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:14,614 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5172 transitions. [2021-10-19 14:32:14,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5172 transitions. [2021-10-19 14:32:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:14,615 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:14,615 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:14,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-10-19 14:32:14,615 INFO L402 AbstractCegarLoop]: === Iteration 212 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:14,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:14,615 INFO L82 PathProgramCache]: Analyzing trace with hash 184025188, now seen corresponding path program 127 times [2021-10-19 14:32:14,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:14,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201444620] [2021-10-19 14:32:14,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:14,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:14,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:14,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201444620] [2021-10-19 14:32:14,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201444620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:14,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:14,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:14,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881312134] [2021-10-19 14:32:14,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:14,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:14,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:14,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:14,838 INFO L87 Difference]: Start difference. First operand 2667 states and 5172 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:16,601 INFO L93 Difference]: Finished difference Result 3597 states and 6928 transitions. [2021-10-19 14:32:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:32:16,602 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:16,605 INFO L225 Difference]: With dead ends: 3597 [2021-10-19 14:32:16,605 INFO L226 Difference]: Without dead ends: 3597 [2021-10-19 14:32:16,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 822.4ms TimeCoverageRelationStatistics Valid=489, Invalid=3051, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:32:16,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2021-10-19 14:32:16,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 2623. [2021-10-19 14:32:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2623 states, 2613 states have (on average 1.9456563337160353) internal successors, (5084), 2622 states have internal predecessors, (5084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2623 states and 5084 transitions. [2021-10-19 14:32:16,626 INFO L78 Accepts]: Start accepts. Automaton has 2623 states and 5084 transitions. Word has length 126 [2021-10-19 14:32:16,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:16,626 INFO L470 AbstractCegarLoop]: Abstraction has 2623 states and 5084 transitions. [2021-10-19 14:32:16,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 5084 transitions. [2021-10-19 14:32:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-10-19 14:32:16,627 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:16,627 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:16,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-10-19 14:32:16,627 INFO L402 AbstractCegarLoop]: === Iteration 213 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:16,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:16,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1190418550, now seen corresponding path program 128 times [2021-10-19 14:32:16,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:16,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634888566] [2021-10-19 14:32:16,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:16,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:16,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:16,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634888566] [2021-10-19 14:32:16,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634888566] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:16,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:16,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:16,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442598230] [2021-10-19 14:32:16,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:16,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:16,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:16,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:16,856 INFO L87 Difference]: Start difference. First operand 2623 states and 5084 transitions. Second operand has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:18,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:18,516 INFO L93 Difference]: Finished difference Result 3370 states and 6474 transitions. [2021-10-19 14:32:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:32:18,516 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-10-19 14:32:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:18,519 INFO L225 Difference]: With dead ends: 3370 [2021-10-19 14:32:18,519 INFO L226 Difference]: Without dead ends: 3370 [2021-10-19 14:32:18,520 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 811.3ms TimeCoverageRelationStatistics Valid=486, Invalid=2936, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:32:18,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2021-10-19 14:32:18,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 2491. [2021-10-19 14:32:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2482 states have (on average 1.9419822723609992) internal successors, (4820), 2490 states have internal predecessors, (4820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 4820 transitions. [2021-10-19 14:32:18,539 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 4820 transitions. Word has length 126 [2021-10-19 14:32:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:18,539 INFO L470 AbstractCegarLoop]: Abstraction has 2491 states and 4820 transitions. [2021-10-19 14:32:18,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.631578947368421) internal successors, (126), 20 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 4820 transitions. [2021-10-19 14:32:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:18,540 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:18,540 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:18,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-10-19 14:32:18,540 INFO L402 AbstractCegarLoop]: === Iteration 214 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:18,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:18,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1600944345, now seen corresponding path program 1 times [2021-10-19 14:32:18,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:18,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866322084] [2021-10-19 14:32:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:18,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:18,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:18,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866322084] [2021-10-19 14:32:18,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866322084] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:18,744 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:18,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:18,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781096384] [2021-10-19 14:32:18,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:18,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:18,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:18,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:18,744 INFO L87 Difference]: Start difference. First operand 2491 states and 4820 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:20,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:20,198 INFO L93 Difference]: Finished difference Result 4136 states and 7958 transitions. [2021-10-19 14:32:20,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:32:20,199 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:20,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:20,215 INFO L225 Difference]: With dead ends: 4136 [2021-10-19 14:32:20,215 INFO L226 Difference]: Without dead ends: 4136 [2021-10-19 14:32:20,216 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1196 ImplicationChecksByTransitivity, 662.9ms TimeCoverageRelationStatistics Valid=745, Invalid=3545, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:32:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2021-10-19 14:32:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 2645. [2021-10-19 14:32:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 2636 states have (on average 1.945371775417299) internal successors, (5128), 2644 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 5128 transitions. [2021-10-19 14:32:20,239 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 5128 transitions. Word has length 134 [2021-10-19 14:32:20,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:20,239 INFO L470 AbstractCegarLoop]: Abstraction has 2645 states and 5128 transitions. [2021-10-19 14:32:20,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:20,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 5128 transitions. [2021-10-19 14:32:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:20,240 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:20,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:20,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-10-19 14:32:20,240 INFO L402 AbstractCegarLoop]: === Iteration 215 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:20,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:20,241 INFO L82 PathProgramCache]: Analyzing trace with hash 19857403, now seen corresponding path program 2 times [2021-10-19 14:32:20,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:20,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702831153] [2021-10-19 14:32:20,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:20,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:20,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:20,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702831153] [2021-10-19 14:32:20,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702831153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:20,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:20,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:20,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149595629] [2021-10-19 14:32:20,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:20,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:20,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:20,463 INFO L87 Difference]: Start difference. First operand 2645 states and 5128 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:22,084 INFO L93 Difference]: Finished difference Result 5604 states and 10807 transitions. [2021-10-19 14:32:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:32:22,084 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:22,089 INFO L225 Difference]: With dead ends: 5604 [2021-10-19 14:32:22,089 INFO L226 Difference]: Without dead ends: 5604 [2021-10-19 14:32:22,090 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 741.7ms TimeCoverageRelationStatistics Valid=732, Invalid=3690, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:32:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5604 states. [2021-10-19 14:32:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5604 to 2681. [2021-10-19 14:32:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 2672 states have (on average 1.9461077844311376) internal successors, (5200), 2680 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 5200 transitions. [2021-10-19 14:32:22,118 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 5200 transitions. Word has length 134 [2021-10-19 14:32:22,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:22,118 INFO L470 AbstractCegarLoop]: Abstraction has 2681 states and 5200 transitions. [2021-10-19 14:32:22,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 5200 transitions. [2021-10-19 14:32:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:22,119 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:22,119 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:22,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-10-19 14:32:22,119 INFO L402 AbstractCegarLoop]: === Iteration 216 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:22,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:22,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1479107775, now seen corresponding path program 3 times [2021-10-19 14:32:22,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:22,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829692707] [2021-10-19 14:32:22,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:22,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:22,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:22,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829692707] [2021-10-19 14:32:22,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829692707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:22,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:22,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:22,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873746458] [2021-10-19 14:32:22,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:22,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:22,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:22,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:22,336 INFO L87 Difference]: Start difference. First operand 2681 states and 5200 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:23,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:23,793 INFO L93 Difference]: Finished difference Result 4725 states and 9125 transitions. [2021-10-19 14:32:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:32:23,794 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:23,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:23,798 INFO L225 Difference]: With dead ends: 4725 [2021-10-19 14:32:23,798 INFO L226 Difference]: Without dead ends: 4725 [2021-10-19 14:32:23,799 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 557.3ms TimeCoverageRelationStatistics Valid=496, Invalid=2366, Unknown=0, NotChecked=0, Total=2862 [2021-10-19 14:32:23,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4725 states. [2021-10-19 14:32:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4725 to 2753. [2021-10-19 14:32:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2744 states have (on average 1.9475218658892128) internal successors, (5344), 2752 states have internal predecessors, (5344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 5344 transitions. [2021-10-19 14:32:23,825 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 5344 transitions. Word has length 134 [2021-10-19 14:32:23,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:23,825 INFO L470 AbstractCegarLoop]: Abstraction has 2753 states and 5344 transitions. [2021-10-19 14:32:23,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 5344 transitions. [2021-10-19 14:32:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:23,826 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:23,826 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:23,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-10-19 14:32:23,826 INFO L402 AbstractCegarLoop]: === Iteration 217 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:23,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:23,826 INFO L82 PathProgramCache]: Analyzing trace with hash -179101145, now seen corresponding path program 4 times [2021-10-19 14:32:23,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:23,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884871144] [2021-10-19 14:32:23,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:23,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:24,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:24,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884871144] [2021-10-19 14:32:24,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884871144] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:24,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:24,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:24,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825641509] [2021-10-19 14:32:24,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:24,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:24,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:24,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:24,072 INFO L87 Difference]: Start difference. First operand 2753 states and 5344 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:25,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:25,322 INFO L93 Difference]: Finished difference Result 3801 states and 7358 transitions. [2021-10-19 14:32:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-19 14:32:25,322 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:25,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:25,326 INFO L225 Difference]: With dead ends: 3801 [2021-10-19 14:32:25,326 INFO L226 Difference]: Without dead ends: 3801 [2021-10-19 14:32:25,326 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 530.5ms TimeCoverageRelationStatistics Valid=358, Invalid=1712, Unknown=0, NotChecked=0, Total=2070 [2021-10-19 14:32:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3801 states. [2021-10-19 14:32:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3801 to 2761. [2021-10-19 14:32:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.947674418604651) internal successors, (5360), 2760 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5360 transitions. [2021-10-19 14:32:25,348 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5360 transitions. Word has length 134 [2021-10-19 14:32:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:25,348 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5360 transitions. [2021-10-19 14:32:25,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5360 transitions. [2021-10-19 14:32:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:25,349 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:25,349 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:25,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-10-19 14:32:25,350 INFO L402 AbstractCegarLoop]: === Iteration 218 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:25,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:25,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1407674911, now seen corresponding path program 5 times [2021-10-19 14:32:25,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:25,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787336014] [2021-10-19 14:32:25,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:25,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:25,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:25,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787336014] [2021-10-19 14:32:25,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787336014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:25,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:25,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:25,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571022548] [2021-10-19 14:32:25,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:25,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:25,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:25,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:25,565 INFO L87 Difference]: Start difference. First operand 2761 states and 5360 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:26,815 INFO L93 Difference]: Finished difference Result 3843 states and 7439 transitions. [2021-10-19 14:32:26,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-19 14:32:26,815 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:26,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:26,819 INFO L225 Difference]: With dead ends: 3843 [2021-10-19 14:32:26,819 INFO L226 Difference]: Without dead ends: 3843 [2021-10-19 14:32:26,819 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 534.4ms TimeCoverageRelationStatistics Valid=383, Invalid=1873, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:32:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2021-10-19 14:32:26,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 2761. [2021-10-19 14:32:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.947674418604651) internal successors, (5360), 2760 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5360 transitions. [2021-10-19 14:32:26,841 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5360 transitions. Word has length 134 [2021-10-19 14:32:26,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:26,842 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5360 transitions. [2021-10-19 14:32:26,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5360 transitions. [2021-10-19 14:32:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:26,843 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:26,843 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:26,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-10-19 14:32:26,843 INFO L402 AbstractCegarLoop]: === Iteration 219 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:26,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:26,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1620127689, now seen corresponding path program 6 times [2021-10-19 14:32:26,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:26,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639288522] [2021-10-19 14:32:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:26,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:27,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:27,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639288522] [2021-10-19 14:32:27,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639288522] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:27,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:27,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:27,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152491449] [2021-10-19 14:32:27,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:27,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:27,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:27,059 INFO L87 Difference]: Start difference. First operand 2761 states and 5360 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:28,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:28,297 INFO L93 Difference]: Finished difference Result 3875 states and 7501 transitions. [2021-10-19 14:32:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-19 14:32:28,297 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:28,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:28,300 INFO L225 Difference]: With dead ends: 3875 [2021-10-19 14:32:28,300 INFO L226 Difference]: Without dead ends: 3875 [2021-10-19 14:32:28,301 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 563.1ms TimeCoverageRelationStatistics Valid=417, Invalid=2033, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:32:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3875 states. [2021-10-19 14:32:28,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3875 to 2761. [2021-10-19 14:32:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.947674418604651) internal successors, (5360), 2760 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5360 transitions. [2021-10-19 14:32:28,323 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5360 transitions. Word has length 134 [2021-10-19 14:32:28,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:28,323 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5360 transitions. [2021-10-19 14:32:28,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:28,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5360 transitions. [2021-10-19 14:32:28,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:28,324 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:28,324 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:28,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-10-19 14:32:28,324 INFO L402 AbstractCegarLoop]: === Iteration 220 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash 944340505, now seen corresponding path program 7 times [2021-10-19 14:32:28,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:28,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583989344] [2021-10-19 14:32:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:28,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:28,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:28,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583989344] [2021-10-19 14:32:28,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583989344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:28,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:28,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:28,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582383423] [2021-10-19 14:32:28,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:28,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:28,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:28,527 INFO L87 Difference]: Start difference. First operand 2761 states and 5360 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:30,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:30,269 INFO L93 Difference]: Finished difference Result 5708 states and 11010 transitions. [2021-10-19 14:32:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-19 14:32:30,269 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:30,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:30,274 INFO L225 Difference]: With dead ends: 5708 [2021-10-19 14:32:30,274 INFO L226 Difference]: Without dead ends: 5708 [2021-10-19 14:32:30,275 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1384 ImplicationChecksByTransitivity, 773.5ms TimeCoverageRelationStatistics Valid=845, Invalid=4125, Unknown=0, NotChecked=0, Total=4970 [2021-10-19 14:32:30,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5708 states. [2021-10-19 14:32:30,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5708 to 2761. [2021-10-19 14:32:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.947674418604651) internal successors, (5360), 2760 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5360 transitions. [2021-10-19 14:32:30,302 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5360 transitions. Word has length 134 [2021-10-19 14:32:30,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:30,302 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5360 transitions. [2021-10-19 14:32:30,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5360 transitions. [2021-10-19 14:32:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:30,303 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:30,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:30,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-10-19 14:32:30,304 INFO L402 AbstractCegarLoop]: === Iteration 221 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:30,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:30,304 INFO L82 PathProgramCache]: Analyzing trace with hash 76260931, now seen corresponding path program 8 times [2021-10-19 14:32:30,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:30,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264239600] [2021-10-19 14:32:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:30,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:30,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:30,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264239600] [2021-10-19 14:32:30,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264239600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:30,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:30,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:30,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172105839] [2021-10-19 14:32:30,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:30,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:30,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:30,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:30,512 INFO L87 Difference]: Start difference. First operand 2761 states and 5360 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:32,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:32,169 INFO L93 Difference]: Finished difference Result 4566 states and 8817 transitions. [2021-10-19 14:32:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:32:32,169 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:32,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:32,173 INFO L225 Difference]: With dead ends: 4566 [2021-10-19 14:32:32,173 INFO L226 Difference]: Without dead ends: 4566 [2021-10-19 14:32:32,174 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1285 ImplicationChecksByTransitivity, 693.4ms TimeCoverageRelationStatistics Valid=756, Invalid=3800, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:32:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2021-10-19 14:32:32,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 2761. [2021-10-19 14:32:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 2752 states have (on average 1.947674418604651) internal successors, (5360), 2760 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5360 transitions. [2021-10-19 14:32:32,198 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5360 transitions. Word has length 134 [2021-10-19 14:32:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:32,198 INFO L470 AbstractCegarLoop]: Abstraction has 2761 states and 5360 transitions. [2021-10-19 14:32:32,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5360 transitions. [2021-10-19 14:32:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:32,199 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:32,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:32,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-10-19 14:32:32,200 INFO L402 AbstractCegarLoop]: === Iteration 222 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:32,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:32,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1156307665, now seen corresponding path program 9 times [2021-10-19 14:32:32,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:32,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536393489] [2021-10-19 14:32:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:32,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:32,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:32,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536393489] [2021-10-19 14:32:32,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536393489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:32,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:32,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:32,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563965639] [2021-10-19 14:32:32,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:32,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:32,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:32,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:32,500 INFO L87 Difference]: Start difference. First operand 2761 states and 5360 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:33,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:33,600 INFO L93 Difference]: Finished difference Result 4151 states and 8058 transitions. [2021-10-19 14:32:33,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-19 14:32:33,601 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:33,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:33,604 INFO L225 Difference]: With dead ends: 4151 [2021-10-19 14:32:33,605 INFO L226 Difference]: Without dead ends: 4151 [2021-10-19 14:32:33,605 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 619.6ms TimeCoverageRelationStatistics Valid=381, Invalid=1599, Unknown=0, NotChecked=0, Total=1980 [2021-10-19 14:32:33,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4151 states. [2021-10-19 14:32:33,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4151 to 2783. [2021-10-19 14:32:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2783 states, 2774 states have (on average 1.9480894015861572) internal successors, (5404), 2782 states have internal predecessors, (5404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2783 states and 5404 transitions. [2021-10-19 14:32:33,628 INFO L78 Accepts]: Start accepts. Automaton has 2783 states and 5404 transitions. Word has length 134 [2021-10-19 14:32:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:33,628 INFO L470 AbstractCegarLoop]: Abstraction has 2783 states and 5404 transitions. [2021-10-19 14:32:33,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 5404 transitions. [2021-10-19 14:32:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:33,629 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:33,629 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:33,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-10-19 14:32:33,629 INFO L402 AbstractCegarLoop]: === Iteration 223 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:33,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:33,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1088542887, now seen corresponding path program 10 times [2021-10-19 14:32:33,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:33,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902067119] [2021-10-19 14:32:33,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:33,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:33,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:33,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902067119] [2021-10-19 14:32:33,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902067119] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:33,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:33,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:33,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850445807] [2021-10-19 14:32:33,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:33,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:33,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:33,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:33,905 INFO L87 Difference]: Start difference. First operand 2783 states and 5404 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:35,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:35,551 INFO L93 Difference]: Finished difference Result 4181 states and 8116 transitions. [2021-10-19 14:32:35,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-19 14:32:35,551 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:35,555 INFO L225 Difference]: With dead ends: 4181 [2021-10-19 14:32:35,555 INFO L226 Difference]: Without dead ends: 4181 [2021-10-19 14:32:35,556 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 693.9ms TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2021-10-19 14:32:35,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2021-10-19 14:32:35,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 2781. [2021-10-19 14:32:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2772 states have (on average 1.948051948051948) internal successors, (5400), 2780 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 5400 transitions. [2021-10-19 14:32:35,579 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 5400 transitions. Word has length 134 [2021-10-19 14:32:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:35,579 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 5400 transitions. [2021-10-19 14:32:35,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 5400 transitions. [2021-10-19 14:32:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:35,580 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:35,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:35,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-10-19 14:32:35,580 INFO L402 AbstractCegarLoop]: === Iteration 224 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:35,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:35,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1761996237, now seen corresponding path program 11 times [2021-10-19 14:32:35,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:35,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973495671] [2021-10-19 14:32:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:35,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:35,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:35,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:35,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973495671] [2021-10-19 14:32:35,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973495671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:35,877 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:35,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:35,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252867268] [2021-10-19 14:32:35,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:35,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:35,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:35,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:35,877 INFO L87 Difference]: Start difference. First operand 2781 states and 5400 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:37,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:37,348 INFO L93 Difference]: Finished difference Result 4237 states and 8224 transitions. [2021-10-19 14:32:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-19 14:32:37,348 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:37,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:37,352 INFO L225 Difference]: With dead ends: 4237 [2021-10-19 14:32:37,352 INFO L226 Difference]: Without dead ends: 4237 [2021-10-19 14:32:37,353 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 760.3ms TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-10-19 14:32:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4237 states. [2021-10-19 14:32:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4237 to 2779. [2021-10-19 14:32:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2770 states have (on average 1.948014440433213) internal successors, (5396), 2778 states have internal predecessors, (5396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 5396 transitions. [2021-10-19 14:32:37,376 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 5396 transitions. Word has length 134 [2021-10-19 14:32:37,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:37,376 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 5396 transitions. [2021-10-19 14:32:37,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5396 transitions. [2021-10-19 14:32:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:37,377 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:37,377 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:37,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-10-19 14:32:37,377 INFO L402 AbstractCegarLoop]: === Iteration 225 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:37,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:37,377 INFO L82 PathProgramCache]: Analyzing trace with hash -661366903, now seen corresponding path program 12 times [2021-10-19 14:32:37,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:37,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763809497] [2021-10-19 14:32:37,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:37,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:37,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:37,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763809497] [2021-10-19 14:32:37,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763809497] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:37,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:37,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:37,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801725817] [2021-10-19 14:32:37,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:37,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:37,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:37,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:37,655 INFO L87 Difference]: Start difference. First operand 2779 states and 5396 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:39,247 INFO L93 Difference]: Finished difference Result 4227 states and 8201 transitions. [2021-10-19 14:32:39,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-19 14:32:39,247 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:39,251 INFO L225 Difference]: With dead ends: 4227 [2021-10-19 14:32:39,251 INFO L226 Difference]: Without dead ends: 4227 [2021-10-19 14:32:39,252 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 776.9ms TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2021-10-19 14:32:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2021-10-19 14:32:39,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 2777. [2021-10-19 14:32:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.9479768786127167) internal successors, (5392), 2776 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:39,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5392 transitions. [2021-10-19 14:32:39,276 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5392 transitions. Word has length 134 [2021-10-19 14:32:39,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:39,276 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5392 transitions. [2021-10-19 14:32:39,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5392 transitions. [2021-10-19 14:32:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:39,277 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:39,277 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:39,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-10-19 14:32:39,277 INFO L402 AbstractCegarLoop]: === Iteration 226 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:39,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:39,277 INFO L82 PathProgramCache]: Analyzing trace with hash -952365569, now seen corresponding path program 13 times [2021-10-19 14:32:39,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:39,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067957544] [2021-10-19 14:32:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:39,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:39,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:39,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:39,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067957544] [2021-10-19 14:32:39,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067957544] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:39,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:39,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:39,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952853742] [2021-10-19 14:32:39,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:39,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:39,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:39,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:39,543 INFO L87 Difference]: Start difference. First operand 2777 states and 5392 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:41,869 INFO L93 Difference]: Finished difference Result 5781 states and 11216 transitions. [2021-10-19 14:32:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-19 14:32:41,869 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:41,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:41,874 INFO L225 Difference]: With dead ends: 5781 [2021-10-19 14:32:41,874 INFO L226 Difference]: Without dead ends: 5781 [2021-10-19 14:32:41,875 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2102 ImplicationChecksByTransitivity, 1101.6ms TimeCoverageRelationStatistics Valid=978, Invalid=5994, Unknown=0, NotChecked=0, Total=6972 [2021-10-19 14:32:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2021-10-19 14:32:41,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 2879. [2021-10-19 14:32:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2870 states have (on average 1.9498257839721254) internal successors, (5596), 2878 states have internal predecessors, (5596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 5596 transitions. [2021-10-19 14:32:41,901 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 5596 transitions. Word has length 134 [2021-10-19 14:32:41,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:41,901 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 5596 transitions. [2021-10-19 14:32:41,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 5596 transitions. [2021-10-19 14:32:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:41,902 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:41,903 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:41,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-10-19 14:32:41,903 INFO L402 AbstractCegarLoop]: === Iteration 227 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:41,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:41,903 INFO L82 PathProgramCache]: Analyzing trace with hash -308893917, now seen corresponding path program 14 times [2021-10-19 14:32:41,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:41,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326434369] [2021-10-19 14:32:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:41,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:42,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:42,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326434369] [2021-10-19 14:32:42,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326434369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:42,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:42,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:42,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064224583] [2021-10-19 14:32:42,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:42,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:42,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:42,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:42,124 INFO L87 Difference]: Start difference. First operand 2879 states and 5596 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:43,779 INFO L93 Difference]: Finished difference Result 3874 states and 7552 transitions. [2021-10-19 14:32:43,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:32:43,779 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:43,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:43,783 INFO L225 Difference]: With dead ends: 3874 [2021-10-19 14:32:43,783 INFO L226 Difference]: Without dead ends: 3874 [2021-10-19 14:32:43,784 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 693.9ms TimeCoverageRelationStatistics Valid=579, Invalid=3453, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:43,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2021-10-19 14:32:43,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 2883. [2021-10-19 14:32:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2874 states have (on average 1.9498956158663883) internal successors, (5604), 2882 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 5604 transitions. [2021-10-19 14:32:43,806 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 5604 transitions. Word has length 134 [2021-10-19 14:32:43,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:43,806 INFO L470 AbstractCegarLoop]: Abstraction has 2883 states and 5604 transitions. [2021-10-19 14:32:43,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 5604 transitions. [2021-10-19 14:32:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:43,808 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:43,808 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:43,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-10-19 14:32:43,808 INFO L402 AbstractCegarLoop]: === Iteration 228 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:43,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:43,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1537467683, now seen corresponding path program 15 times [2021-10-19 14:32:43,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:43,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062184548] [2021-10-19 14:32:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:43,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:44,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:44,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062184548] [2021-10-19 14:32:44,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062184548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:44,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:44,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:44,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341134643] [2021-10-19 14:32:44,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:44,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:44,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:44,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:44,054 INFO L87 Difference]: Start difference. First operand 2883 states and 5604 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:45,577 INFO L93 Difference]: Finished difference Result 3916 states and 7633 transitions. [2021-10-19 14:32:45,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:32:45,577 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:45,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:45,581 INFO L225 Difference]: With dead ends: 3916 [2021-10-19 14:32:45,581 INFO L226 Difference]: Without dead ends: 3916 [2021-10-19 14:32:45,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 694.9ms TimeCoverageRelationStatistics Valid=563, Invalid=3469, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2021-10-19 14:32:45,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 2881. [2021-10-19 14:32:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2872 states have (on average 1.9498607242339834) internal successors, (5600), 2880 states have internal predecessors, (5600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5600 transitions. [2021-10-19 14:32:45,604 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5600 transitions. Word has length 134 [2021-10-19 14:32:45,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:45,604 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5600 transitions. [2021-10-19 14:32:45,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5600 transitions. [2021-10-19 14:32:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:45,606 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:45,606 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:45,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-10-19 14:32:45,606 INFO L402 AbstractCegarLoop]: === Iteration 229 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:45,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:45,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1490334917, now seen corresponding path program 16 times [2021-10-19 14:32:45,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:45,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683956667] [2021-10-19 14:32:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:45,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:45,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:45,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683956667] [2021-10-19 14:32:45,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683956667] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:45,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:45,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:45,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21523239] [2021-10-19 14:32:45,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:45,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:45,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:45,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:45,823 INFO L87 Difference]: Start difference. First operand 2881 states and 5600 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:47,387 INFO L93 Difference]: Finished difference Result 3948 states and 7695 transitions. [2021-10-19 14:32:47,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:32:47,388 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:47,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:47,391 INFO L225 Difference]: With dead ends: 3948 [2021-10-19 14:32:47,391 INFO L226 Difference]: Without dead ends: 3948 [2021-10-19 14:32:47,392 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 669.6ms TimeCoverageRelationStatistics Valid=555, Invalid=3477, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:32:47,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3948 states. [2021-10-19 14:32:47,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 2855. [2021-10-19 14:32:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 2846 states have (on average 1.949402670414617) internal successors, (5548), 2854 states have internal predecessors, (5548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 5548 transitions. [2021-10-19 14:32:47,415 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 5548 transitions. Word has length 134 [2021-10-19 14:32:47,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:47,415 INFO L470 AbstractCegarLoop]: Abstraction has 2855 states and 5548 transitions. [2021-10-19 14:32:47,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 5548 transitions. [2021-10-19 14:32:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:47,416 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:47,416 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:47,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-10-19 14:32:47,416 INFO L402 AbstractCegarLoop]: === Iteration 230 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:47,418 INFO L82 PathProgramCache]: Analyzing trace with hash -834468353, now seen corresponding path program 17 times [2021-10-19 14:32:47,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:47,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377367269] [2021-10-19 14:32:47,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:47,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:47,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:47,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377367269] [2021-10-19 14:32:47,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377367269] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:47,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:47,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:47,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143661540] [2021-10-19 14:32:47,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:47,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:47,724 INFO L87 Difference]: Start difference. First operand 2855 states and 5548 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:49,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:49,710 INFO L93 Difference]: Finished difference Result 4458 states and 8684 transitions. [2021-10-19 14:32:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:32:49,710 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:49,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:49,715 INFO L225 Difference]: With dead ends: 4458 [2021-10-19 14:32:49,715 INFO L226 Difference]: Without dead ends: 4458 [2021-10-19 14:32:49,715 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 969.5ms TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:32:49,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2021-10-19 14:32:49,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 2873. [2021-10-19 14:32:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2873 states, 2864 states have (on average 1.9497206703910615) internal successors, (5584), 2872 states have internal predecessors, (5584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 5584 transitions. [2021-10-19 14:32:49,739 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 5584 transitions. Word has length 134 [2021-10-19 14:32:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:49,739 INFO L470 AbstractCegarLoop]: Abstraction has 2873 states and 5584 transitions. [2021-10-19 14:32:49,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 5584 transitions. [2021-10-19 14:32:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:49,741 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:49,741 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:49,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-10-19 14:32:49,741 INFO L402 AbstractCegarLoop]: === Iteration 231 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:49,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:49,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1410382199, now seen corresponding path program 18 times [2021-10-19 14:32:49,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:49,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747498390] [2021-10-19 14:32:49,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:49,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:50,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:50,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747498390] [2021-10-19 14:32:50,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747498390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:50,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:50,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:50,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766182684] [2021-10-19 14:32:50,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:50,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:50,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:50,062 INFO L87 Difference]: Start difference. First operand 2873 states and 5584 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:52,163 INFO L93 Difference]: Finished difference Result 4488 states and 8742 transitions. [2021-10-19 14:32:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:32:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:52,167 INFO L225 Difference]: With dead ends: 4488 [2021-10-19 14:32:52,167 INFO L226 Difference]: Without dead ends: 4488 [2021-10-19 14:32:52,168 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 1119.1ms TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:32:52,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4488 states. [2021-10-19 14:32:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4488 to 2867. [2021-10-19 14:32:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2858 states have (on average 1.9496151154653605) internal successors, (5572), 2866 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 5572 transitions. [2021-10-19 14:32:52,191 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 5572 transitions. Word has length 134 [2021-10-19 14:32:52,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:52,191 INFO L470 AbstractCegarLoop]: Abstraction has 2867 states and 5572 transitions. [2021-10-19 14:32:52,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 5572 transitions. [2021-10-19 14:32:52,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:52,193 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:52,193 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:52,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-10-19 14:32:52,193 INFO L402 AbstractCegarLoop]: === Iteration 232 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:52,193 INFO L82 PathProgramCache]: Analyzing trace with hash 2083835549, now seen corresponding path program 19 times [2021-10-19 14:32:52,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:52,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975723873] [2021-10-19 14:32:52,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:52,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:52,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:52,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:52,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975723873] [2021-10-19 14:32:52,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975723873] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:52,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:52,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:52,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635634832] [2021-10-19 14:32:52,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:52,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:52,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:52,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:52,492 INFO L87 Difference]: Start difference. First operand 2867 states and 5572 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:54,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:54,675 INFO L93 Difference]: Finished difference Result 4544 states and 8850 transitions. [2021-10-19 14:32:54,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:32:54,675 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:54,679 INFO L225 Difference]: With dead ends: 4544 [2021-10-19 14:32:54,679 INFO L226 Difference]: Without dead ends: 4544 [2021-10-19 14:32:54,680 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1550 ImplicationChecksByTransitivity, 1126.8ms TimeCoverageRelationStatistics Valid=802, Invalid=4600, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:32:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2021-10-19 14:32:54,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 2861. [2021-10-19 14:32:54,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2852 states have (on average 1.949509116409537) internal successors, (5560), 2860 states have internal predecessors, (5560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:54,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 5560 transitions. [2021-10-19 14:32:54,704 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 5560 transitions. Word has length 134 [2021-10-19 14:32:54,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:54,704 INFO L470 AbstractCegarLoop]: Abstraction has 2861 states and 5560 transitions. [2021-10-19 14:32:54,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 5560 transitions. [2021-10-19 14:32:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:54,705 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:54,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:54,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-10-19 14:32:54,706 INFO L402 AbstractCegarLoop]: === Iteration 233 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:54,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:54,706 INFO L82 PathProgramCache]: Analyzing trace with hash -339527591, now seen corresponding path program 20 times [2021-10-19 14:32:54,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:54,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964384620] [2021-10-19 14:32:54,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:54,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:55,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:55,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964384620] [2021-10-19 14:32:55,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964384620] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:55,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:55,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:32:55,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373503107] [2021-10-19 14:32:55,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:32:55,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:55,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:32:55,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:32:55,002 INFO L87 Difference]: Start difference. First operand 2861 states and 5560 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:57,204 INFO L93 Difference]: Finished difference Result 4590 states and 8939 transitions. [2021-10-19 14:32:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:32:57,204 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:57,208 INFO L225 Difference]: With dead ends: 4590 [2021-10-19 14:32:57,208 INFO L226 Difference]: Without dead ends: 4590 [2021-10-19 14:32:57,208 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1664 ImplicationChecksByTransitivity, 1149.1ms TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:32:57,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2021-10-19 14:32:57,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2807. [2021-10-19 14:32:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2798 states have (on average 1.9485346676197284) internal successors, (5452), 2806 states have internal predecessors, (5452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 5452 transitions. [2021-10-19 14:32:57,232 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 5452 transitions. Word has length 134 [2021-10-19 14:32:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:57,232 INFO L470 AbstractCegarLoop]: Abstraction has 2807 states and 5452 transitions. [2021-10-19 14:32:57,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 5452 transitions. [2021-10-19 14:32:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:57,233 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:57,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:57,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-10-19 14:32:57,233 INFO L402 AbstractCegarLoop]: === Iteration 234 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:57,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:57,233 INFO L82 PathProgramCache]: Analyzing trace with hash 48502143, now seen corresponding path program 21 times [2021-10-19 14:32:57,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:57,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877482012] [2021-10-19 14:32:57,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:57,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:57,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:57,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877482012] [2021-10-19 14:32:57,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877482012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:57,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:57,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:57,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86427952] [2021-10-19 14:32:57,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:57,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:57,480 INFO L87 Difference]: Start difference. First operand 2807 states and 5452 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:59,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:32:59,334 INFO L93 Difference]: Finished difference Result 5601 states and 10854 transitions. [2021-10-19 14:32:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-19 14:32:59,334 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:32:59,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:32:59,339 INFO L225 Difference]: With dead ends: 5601 [2021-10-19 14:32:59,339 INFO L226 Difference]: Without dead ends: 5601 [2021-10-19 14:32:59,340 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1984 ImplicationChecksByTransitivity, 801.7ms TimeCoverageRelationStatistics Valid=764, Invalid=5556, Unknown=0, NotChecked=0, Total=6320 [2021-10-19 14:32:59,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2021-10-19 14:32:59,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 2795. [2021-10-19 14:32:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2795 states, 2786 states have (on average 1.9483129935391241) internal successors, (5428), 2794 states have internal predecessors, (5428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 2795 states and 5428 transitions. [2021-10-19 14:32:59,366 INFO L78 Accepts]: Start accepts. Automaton has 2795 states and 5428 transitions. Word has length 134 [2021-10-19 14:32:59,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:32:59,366 INFO L470 AbstractCegarLoop]: Abstraction has 2795 states and 5428 transitions. [2021-10-19 14:32:59,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:32:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 5428 transitions. [2021-10-19 14:32:59,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:32:59,367 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:32:59,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:32:59,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-10-19 14:32:59,367 INFO L402 AbstractCegarLoop]: === Iteration 235 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:32:59,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:32:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1301612863, now seen corresponding path program 22 times [2021-10-19 14:32:59,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:32:59,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478068529] [2021-10-19 14:32:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:32:59,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:32:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:32:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:32:59,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:32:59,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478068529] [2021-10-19 14:32:59,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478068529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:32:59,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:32:59,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:32:59,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747616594] [2021-10-19 14:32:59,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:32:59,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:32:59,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:32:59,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:32:59,579 INFO L87 Difference]: Start difference. First operand 2795 states and 5428 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:01,406 INFO L93 Difference]: Finished difference Result 5462 states and 10578 transitions. [2021-10-19 14:33:01,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-19 14:33:01,407 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:01,412 INFO L225 Difference]: With dead ends: 5462 [2021-10-19 14:33:01,412 INFO L226 Difference]: Without dead ends: 5462 [2021-10-19 14:33:01,413 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 752.8ms TimeCoverageRelationStatistics Valid=752, Invalid=5254, Unknown=0, NotChecked=0, Total=6006 [2021-10-19 14:33:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5462 states. [2021-10-19 14:33:01,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5462 to 2777. [2021-10-19 14:33:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.9479768786127167) internal successors, (5392), 2776 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:01,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5392 transitions. [2021-10-19 14:33:01,439 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5392 transitions. Word has length 134 [2021-10-19 14:33:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:01,439 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5392 transitions. [2021-10-19 14:33:01,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:01,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5392 transitions. [2021-10-19 14:33:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:01,440 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:01,440 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:01,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-10-19 14:33:01,440 INFO L402 AbstractCegarLoop]: === Iteration 236 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:01,441 INFO L82 PathProgramCache]: Analyzing trace with hash 290888379, now seen corresponding path program 23 times [2021-10-19 14:33:01,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:01,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965153779] [2021-10-19 14:33:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:01,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:01,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:01,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965153779] [2021-10-19 14:33:01,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965153779] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:01,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:01,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:01,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869146164] [2021-10-19 14:33:01,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:01,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:01,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:01,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:01,704 INFO L87 Difference]: Start difference. First operand 2777 states and 5392 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:03,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:03,902 INFO L93 Difference]: Finished difference Result 5746 states and 11146 transitions. [2021-10-19 14:33:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-19 14:33:03,902 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:03,907 INFO L225 Difference]: With dead ends: 5746 [2021-10-19 14:33:03,907 INFO L226 Difference]: Without dead ends: 5746 [2021-10-19 14:33:03,907 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2089 ImplicationChecksByTransitivity, 1138.3ms TimeCoverageRelationStatistics Valid=1017, Invalid=5955, Unknown=0, NotChecked=0, Total=6972 [2021-10-19 14:33:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2021-10-19 14:33:03,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 2861. [2021-10-19 14:33:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2852 states have (on average 1.949509116409537) internal successors, (5560), 2860 states have internal predecessors, (5560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 5560 transitions. [2021-10-19 14:33:03,933 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 5560 transitions. Word has length 134 [2021-10-19 14:33:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:03,933 INFO L470 AbstractCegarLoop]: Abstraction has 2861 states and 5560 transitions. [2021-10-19 14:33:03,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 5560 transitions. [2021-10-19 14:33:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:03,935 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:03,935 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:03,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-10-19 14:33:03,935 INFO L402 AbstractCegarLoop]: === Iteration 237 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:03,935 INFO L82 PathProgramCache]: Analyzing trace with hash 934360031, now seen corresponding path program 24 times [2021-10-19 14:33:03,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:03,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536827113] [2021-10-19 14:33:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:03,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:04,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:04,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536827113] [2021-10-19 14:33:04,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536827113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:04,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:04,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:04,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440157377] [2021-10-19 14:33:04,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:04,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:04,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:04,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:04,156 INFO L87 Difference]: Start difference. First operand 2861 states and 5560 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:05,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:05,828 INFO L93 Difference]: Finished difference Result 3839 states and 7482 transitions. [2021-10-19 14:33:05,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:33:05,829 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:05,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:05,832 INFO L225 Difference]: With dead ends: 3839 [2021-10-19 14:33:05,832 INFO L226 Difference]: Without dead ends: 3839 [2021-10-19 14:33:05,832 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 671.0ms TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:33:05,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2021-10-19 14:33:05,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 2865. [2021-10-19 14:33:05,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2865 states, 2856 states have (on average 1.949579831932773) internal successors, (5568), 2864 states have internal predecessors, (5568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:05,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 5568 transitions. [2021-10-19 14:33:05,854 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 5568 transitions. Word has length 134 [2021-10-19 14:33:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:05,854 INFO L470 AbstractCegarLoop]: Abstraction has 2865 states and 5568 transitions. [2021-10-19 14:33:05,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 5568 transitions. [2021-10-19 14:33:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:05,856 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:05,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:05,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-10-19 14:33:05,856 INFO L402 AbstractCegarLoop]: === Iteration 238 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:05,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:05,856 INFO L82 PathProgramCache]: Analyzing trace with hash -294213735, now seen corresponding path program 25 times [2021-10-19 14:33:05,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:05,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921520612] [2021-10-19 14:33:05,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:05,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:06,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:06,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921520612] [2021-10-19 14:33:06,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921520612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:06,093 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:06,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:06,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420155271] [2021-10-19 14:33:06,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:06,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:06,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:06,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:06,093 INFO L87 Difference]: Start difference. First operand 2865 states and 5568 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:07,577 INFO L93 Difference]: Finished difference Result 3881 states and 7563 transitions. [2021-10-19 14:33:07,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:33:07,578 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:07,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:07,581 INFO L225 Difference]: With dead ends: 3881 [2021-10-19 14:33:07,581 INFO L226 Difference]: Without dead ends: 3881 [2021-10-19 14:33:07,581 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 676.1ms TimeCoverageRelationStatistics Valid=526, Invalid=3506, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:33:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3881 states. [2021-10-19 14:33:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3881 to 2863. [2021-10-19 14:33:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2863 states, 2854 states have (on average 1.9495444989488437) internal successors, (5564), 2862 states have internal predecessors, (5564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2863 states and 5564 transitions. [2021-10-19 14:33:07,603 INFO L78 Accepts]: Start accepts. Automaton has 2863 states and 5564 transitions. Word has length 134 [2021-10-19 14:33:07,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:07,603 INFO L470 AbstractCegarLoop]: Abstraction has 2863 states and 5564 transitions. [2021-10-19 14:33:07,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 5564 transitions. [2021-10-19 14:33:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:07,605 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:07,605 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:07,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-10-19 14:33:07,605 INFO L402 AbstractCegarLoop]: === Iteration 239 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:07,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:07,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1561378431, now seen corresponding path program 26 times [2021-10-19 14:33:07,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:07,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200054684] [2021-10-19 14:33:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:07,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:07,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:07,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200054684] [2021-10-19 14:33:07,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200054684] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:07,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:07,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:07,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550290528] [2021-10-19 14:33:07,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:07,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:07,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:07,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:07,818 INFO L87 Difference]: Start difference. First operand 2863 states and 5564 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:09,220 INFO L93 Difference]: Finished difference Result 3913 states and 7625 transitions. [2021-10-19 14:33:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-19 14:33:09,220 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:09,223 INFO L225 Difference]: With dead ends: 3913 [2021-10-19 14:33:09,223 INFO L226 Difference]: Without dead ends: 3913 [2021-10-19 14:33:09,224 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 663.6ms TimeCoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2021-10-19 14:33:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2021-10-19 14:33:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 2837. [2021-10-19 14:33:09,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2837 states, 2828 states have (on average 1.949080622347949) internal successors, (5512), 2836 states have internal predecessors, (5512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2837 states and 5512 transitions. [2021-10-19 14:33:09,245 INFO L78 Accepts]: Start accepts. Automaton has 2837 states and 5512 transitions. Word has length 134 [2021-10-19 14:33:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:09,246 INFO L470 AbstractCegarLoop]: Abstraction has 2837 states and 5512 transitions. [2021-10-19 14:33:09,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 5512 transitions. [2021-10-19 14:33:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:09,247 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:09,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:09,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-10-19 14:33:09,247 INFO L402 AbstractCegarLoop]: === Iteration 240 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:09,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:09,247 INFO L82 PathProgramCache]: Analyzing trace with hash 408785595, now seen corresponding path program 27 times [2021-10-19 14:33:09,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:09,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136452950] [2021-10-19 14:33:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:09,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:09,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:09,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136452950] [2021-10-19 14:33:09,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136452950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:09,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:09,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:09,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303203849] [2021-10-19 14:33:09,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:09,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:09,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:09,554 INFO L87 Difference]: Start difference. First operand 2837 states and 5512 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:11,370 INFO L93 Difference]: Finished difference Result 4423 states and 8614 transitions. [2021-10-19 14:33:11,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:33:11,370 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:11,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:11,375 INFO L225 Difference]: With dead ends: 4423 [2021-10-19 14:33:11,375 INFO L226 Difference]: Without dead ends: 4423 [2021-10-19 14:33:11,375 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 979.8ms TimeCoverageRelationStatistics Valid=741, Invalid=3815, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:33:11,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2021-10-19 14:33:11,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 2855. [2021-10-19 14:33:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2855 states, 2846 states have (on average 1.949402670414617) internal successors, (5548), 2854 states have internal predecessors, (5548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 5548 transitions. [2021-10-19 14:33:11,398 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 5548 transitions. Word has length 134 [2021-10-19 14:33:11,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:11,398 INFO L470 AbstractCegarLoop]: Abstraction has 2855 states and 5548 transitions. [2021-10-19 14:33:11,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 5548 transitions. [2021-10-19 14:33:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:11,400 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:11,400 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:11,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-10-19 14:33:11,400 INFO L402 AbstractCegarLoop]: === Iteration 241 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:11,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:11,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1641331149, now seen corresponding path program 28 times [2021-10-19 14:33:11,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:11,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319299270] [2021-10-19 14:33:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:11,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:11,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:11,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319299270] [2021-10-19 14:33:11,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319299270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:11,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:11,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:11,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993656032] [2021-10-19 14:33:11,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:11,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:11,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:11,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:11,718 INFO L87 Difference]: Start difference. First operand 2855 states and 5548 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:13,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:13,921 INFO L93 Difference]: Finished difference Result 4453 states and 8672 transitions. [2021-10-19 14:33:13,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:13,922 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:13,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:13,926 INFO L225 Difference]: With dead ends: 4453 [2021-10-19 14:33:13,926 INFO L226 Difference]: Without dead ends: 4453 [2021-10-19 14:33:13,926 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 1111.3ms TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:13,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4453 states. [2021-10-19 14:33:13,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4453 to 2849. [2021-10-19 14:33:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2849 states, 2840 states have (on average 1.9492957746478874) internal successors, (5536), 2848 states have internal predecessors, (5536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 5536 transitions. [2021-10-19 14:33:13,961 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 5536 transitions. Word has length 134 [2021-10-19 14:33:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:13,961 INFO L470 AbstractCegarLoop]: Abstraction has 2849 states and 5536 transitions. [2021-10-19 14:33:13,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 5536 transitions. [2021-10-19 14:33:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:13,962 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:13,962 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:13,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-10-19 14:33:13,962 INFO L402 AbstractCegarLoop]: === Iteration 242 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:13,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash -967877799, now seen corresponding path program 29 times [2021-10-19 14:33:13,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:13,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998834477] [2021-10-19 14:33:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:13,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:14,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:14,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998834477] [2021-10-19 14:33:14,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998834477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:14,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:14,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:14,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448795568] [2021-10-19 14:33:14,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:14,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:14,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:14,278 INFO L87 Difference]: Start difference. First operand 2849 states and 5536 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:16,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:16,508 INFO L93 Difference]: Finished difference Result 4509 states and 8780 transitions. [2021-10-19 14:33:16,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:33:16,508 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:16,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:16,512 INFO L225 Difference]: With dead ends: 4509 [2021-10-19 14:33:16,512 INFO L226 Difference]: Without dead ends: 4509 [2021-10-19 14:33:16,513 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 1153.4ms TimeCoverageRelationStatistics Valid=828, Invalid=4574, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:33:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2021-10-19 14:33:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 2843. [2021-10-19 14:33:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2843 states, 2834 states have (on average 1.9491884262526464) internal successors, (5524), 2842 states have internal predecessors, (5524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:16,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 5524 transitions. [2021-10-19 14:33:16,537 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 5524 transitions. Word has length 134 [2021-10-19 14:33:16,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:16,537 INFO L470 AbstractCegarLoop]: Abstraction has 2843 states and 5524 transitions. [2021-10-19 14:33:16,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 5524 transitions. [2021-10-19 14:33:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:16,539 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:16,539 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:16,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-10-19 14:33:16,539 INFO L402 AbstractCegarLoop]: === Iteration 243 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:16,539 INFO L82 PathProgramCache]: Analyzing trace with hash 903726357, now seen corresponding path program 30 times [2021-10-19 14:33:16,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:16,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051991527] [2021-10-19 14:33:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:16,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:16,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:16,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051991527] [2021-10-19 14:33:16,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051991527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:16,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:16,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:16,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207347866] [2021-10-19 14:33:16,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:16,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:16,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:16,827 INFO L87 Difference]: Start difference. First operand 2843 states and 5524 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:18,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:18,959 INFO L93 Difference]: Finished difference Result 4555 states and 8869 transitions. [2021-10-19 14:33:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:33:18,960 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:18,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:18,964 INFO L225 Difference]: With dead ends: 4555 [2021-10-19 14:33:18,964 INFO L226 Difference]: Without dead ends: 4555 [2021-10-19 14:33:18,965 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1652 ImplicationChecksByTransitivity, 1179.4ms TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2021-10-19 14:33:18,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2021-10-19 14:33:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 2789. [2021-10-19 14:33:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2789 states, 2780 states have (on average 1.9482014388489208) internal successors, (5416), 2788 states have internal predecessors, (5416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2789 states and 5416 transitions. [2021-10-19 14:33:19,003 INFO L78 Accepts]: Start accepts. Automaton has 2789 states and 5416 transitions. Word has length 134 [2021-10-19 14:33:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:19,003 INFO L470 AbstractCegarLoop]: Abstraction has 2789 states and 5416 transitions. [2021-10-19 14:33:19,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 5416 transitions. [2021-10-19 14:33:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:19,004 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:19,004 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:19,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-10-19 14:33:19,004 INFO L402 AbstractCegarLoop]: === Iteration 244 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:19,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:19,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1291756091, now seen corresponding path program 31 times [2021-10-19 14:33:19,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:19,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389853411] [2021-10-19 14:33:19,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:19,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:19,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:19,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389853411] [2021-10-19 14:33:19,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389853411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:19,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:19,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:19,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171874773] [2021-10-19 14:33:19,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:19,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:19,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:19,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:19,212 INFO L87 Difference]: Start difference. First operand 2789 states and 5416 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:20,927 INFO L93 Difference]: Finished difference Result 5338 states and 10335 transitions. [2021-10-19 14:33:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-19 14:33:20,927 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:20,931 INFO L225 Difference]: With dead ends: 5338 [2021-10-19 14:33:20,931 INFO L226 Difference]: Without dead ends: 5338 [2021-10-19 14:33:20,932 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 689.9ms TimeCoverageRelationStatistics Valid=646, Invalid=4610, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:33:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2021-10-19 14:33:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 2777. [2021-10-19 14:33:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.9479768786127167) internal successors, (5392), 2776 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5392 transitions. [2021-10-19 14:33:20,957 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5392 transitions. Word has length 134 [2021-10-19 14:33:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:20,957 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5392 transitions. [2021-10-19 14:33:20,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5392 transitions. [2021-10-19 14:33:20,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:20,958 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:20,958 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:20,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-10-19 14:33:20,959 INFO L402 AbstractCegarLoop]: === Iteration 245 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2014269351, now seen corresponding path program 32 times [2021-10-19 14:33:20,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:20,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414046270] [2021-10-19 14:33:20,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:20,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:21,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:21,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414046270] [2021-10-19 14:33:21,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414046270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:21,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:21,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:21,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422641631] [2021-10-19 14:33:21,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:21,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:21,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:21,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:21,215 INFO L87 Difference]: Start difference. First operand 2777 states and 5392 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:23,256 INFO L93 Difference]: Finished difference Result 4551 states and 8843 transitions. [2021-10-19 14:33:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-19 14:33:23,257 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:23,261 INFO L225 Difference]: With dead ends: 4551 [2021-10-19 14:33:23,261 INFO L226 Difference]: Without dead ends: 4551 [2021-10-19 14:33:23,261 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1596 ImplicationChecksByTransitivity, 1046.1ms TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2021-10-19 14:33:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-10-19 14:33:23,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 2865. [2021-10-19 14:33:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2865 states, 2856 states have (on average 1.949579831932773) internal successors, (5568), 2864 states have internal predecessors, (5568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 5568 transitions. [2021-10-19 14:33:23,285 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 5568 transitions. Word has length 134 [2021-10-19 14:33:23,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:23,285 INFO L470 AbstractCegarLoop]: Abstraction has 2865 states and 5568 transitions. [2021-10-19 14:33:23,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 5568 transitions. [2021-10-19 14:33:23,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:23,286 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:23,286 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:23,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-10-19 14:33:23,286 INFO L402 AbstractCegarLoop]: === Iteration 246 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:23,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:23,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1370797699, now seen corresponding path program 33 times [2021-10-19 14:33:23,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:23,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040505635] [2021-10-19 14:33:23,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:23,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:23,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:23,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040505635] [2021-10-19 14:33:23,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040505635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:23,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:23,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:23,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89104816] [2021-10-19 14:33:23,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:23,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:23,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:23,526 INFO L87 Difference]: Start difference. First operand 2865 states and 5568 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:25,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:25,149 INFO L93 Difference]: Finished difference Result 3383 states and 6581 transitions. [2021-10-19 14:33:25,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-19 14:33:25,149 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:25,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:25,153 INFO L225 Difference]: With dead ends: 3383 [2021-10-19 14:33:25,153 INFO L226 Difference]: Without dead ends: 3383 [2021-10-19 14:33:25,153 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 639.3ms TimeCoverageRelationStatistics Valid=494, Invalid=3288, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:33:25,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3383 states. [2021-10-19 14:33:25,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3383 to 2869. [2021-10-19 14:33:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2860 states have (on average 1.9496503496503497) internal successors, (5576), 2868 states have internal predecessors, (5576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 5576 transitions. [2021-10-19 14:33:25,177 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 5576 transitions. Word has length 134 [2021-10-19 14:33:25,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:25,177 INFO L470 AbstractCegarLoop]: Abstraction has 2869 states and 5576 transitions. [2021-10-19 14:33:25,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 5576 transitions. [2021-10-19 14:33:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:25,178 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:25,178 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:25,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-10-19 14:33:25,178 INFO L402 AbstractCegarLoop]: === Iteration 247 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:25,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:25,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1695595831, now seen corresponding path program 34 times [2021-10-19 14:33:25,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:25,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054232551] [2021-10-19 14:33:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:25,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:25,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:25,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054232551] [2021-10-19 14:33:25,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054232551] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:25,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:25,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:25,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935576437] [2021-10-19 14:33:25,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:25,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:25,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:25,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:25,399 INFO L87 Difference]: Start difference. First operand 2869 states and 5576 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:27,097 INFO L93 Difference]: Finished difference Result 3425 states and 6662 transitions. [2021-10-19 14:33:27,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:33:27,098 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:27,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:27,101 INFO L225 Difference]: With dead ends: 3425 [2021-10-19 14:33:27,101 INFO L226 Difference]: Without dead ends: 3425 [2021-10-19 14:33:27,101 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 622.6ms TimeCoverageRelationStatistics Valid=482, Invalid=3300, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:33:27,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2021-10-19 14:33:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 2867. [2021-10-19 14:33:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2858 states have (on average 1.9496151154653605) internal successors, (5572), 2866 states have internal predecessors, (5572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 5572 transitions. [2021-10-19 14:33:27,123 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 5572 transitions. Word has length 134 [2021-10-19 14:33:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:27,123 INFO L470 AbstractCegarLoop]: Abstraction has 2867 states and 5572 transitions. [2021-10-19 14:33:27,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 5572 transitions. [2021-10-19 14:33:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:27,124 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:27,124 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:27,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-10-19 14:33:27,124 INFO L402 AbstractCegarLoop]: === Iteration 248 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:27,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash 428431135, now seen corresponding path program 35 times [2021-10-19 14:33:27,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:27,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567609839] [2021-10-19 14:33:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:27,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:27,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:27,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567609839] [2021-10-19 14:33:27,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567609839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:27,339 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:27,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:33:27,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385834356] [2021-10-19 14:33:27,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:33:27,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:27,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:33:27,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:33:27,340 INFO L87 Difference]: Start difference. First operand 2867 states and 5572 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:28,732 INFO L93 Difference]: Finished difference Result 3453 states and 6716 transitions. [2021-10-19 14:33:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:33:28,732 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:28,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:28,735 INFO L225 Difference]: With dead ends: 3453 [2021-10-19 14:33:28,735 INFO L226 Difference]: Without dead ends: 3453 [2021-10-19 14:33:28,736 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 623.0ms TimeCoverageRelationStatistics Valid=478, Invalid=3304, Unknown=0, NotChecked=0, Total=3782 [2021-10-19 14:33:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2021-10-19 14:33:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 2841. [2021-10-19 14:33:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 2832 states have (on average 1.9491525423728813) internal successors, (5520), 2840 states have internal predecessors, (5520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 5520 transitions. [2021-10-19 14:33:28,757 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 5520 transitions. Word has length 134 [2021-10-19 14:33:28,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:28,757 INFO L470 AbstractCegarLoop]: Abstraction has 2841 states and 5520 transitions. [2021-10-19 14:33:28,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 5520 transitions. [2021-10-19 14:33:28,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:28,758 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:28,758 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:28,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-10-19 14:33:28,759 INFO L402 AbstractCegarLoop]: === Iteration 249 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:28,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:28,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1896372135, now seen corresponding path program 36 times [2021-10-19 14:33:28,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:28,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203353198] [2021-10-19 14:33:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:28,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:29,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:29,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203353198] [2021-10-19 14:33:29,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203353198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:29,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:29,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:29,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690603944] [2021-10-19 14:33:29,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:29,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:29,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:29,066 INFO L87 Difference]: Start difference. First operand 2841 states and 5520 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:30,823 INFO L93 Difference]: Finished difference Result 3649 states and 7111 transitions. [2021-10-19 14:33:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:33:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:30,826 INFO L225 Difference]: With dead ends: 3649 [2021-10-19 14:33:30,826 INFO L226 Difference]: Without dead ends: 3649 [2021-10-19 14:33:30,827 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1161 ImplicationChecksByTransitivity, 969.3ms TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:33:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2021-10-19 14:33:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 2883. [2021-10-19 14:33:30,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2874 states have (on average 1.9498956158663883) internal successors, (5604), 2882 states have internal predecessors, (5604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 5604 transitions. [2021-10-19 14:33:30,849 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 5604 transitions. Word has length 134 [2021-10-19 14:33:30,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:30,849 INFO L470 AbstractCegarLoop]: Abstraction has 2883 states and 5604 transitions. [2021-10-19 14:33:30,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 5604 transitions. [2021-10-19 14:33:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:30,850 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:30,850 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:30,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-10-19 14:33:30,851 INFO L402 AbstractCegarLoop]: === Iteration 250 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:30,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:30,851 INFO L82 PathProgramCache]: Analyzing trace with hash 348478417, now seen corresponding path program 37 times [2021-10-19 14:33:30,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:30,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424501553] [2021-10-19 14:33:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:30,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:31,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:31,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424501553] [2021-10-19 14:33:31,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424501553] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:31,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:31,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:31,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431253394] [2021-10-19 14:33:31,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:31,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:31,174 INFO L87 Difference]: Start difference. First operand 2883 states and 5604 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:33,179 INFO L93 Difference]: Finished difference Result 3687 states and 7185 transitions. [2021-10-19 14:33:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:33,179 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:33,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:33,182 INFO L225 Difference]: With dead ends: 3687 [2021-10-19 14:33:33,182 INFO L226 Difference]: Without dead ends: 3687 [2021-10-19 14:33:33,183 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1347 ImplicationChecksByTransitivity, 1115.4ms TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2021-10-19 14:33:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 2877. [2021-10-19 14:33:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2877 states, 2868 states have (on average 1.9497907949790796) internal successors, (5592), 2876 states have internal predecessors, (5592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 5592 transitions. [2021-10-19 14:33:33,204 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 5592 transitions. Word has length 134 [2021-10-19 14:33:33,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:33,204 INFO L470 AbstractCegarLoop]: Abstraction has 2877 states and 5592 transitions. [2021-10-19 14:33:33,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 5592 transitions. [2021-10-19 14:33:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:33,205 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:33,205 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:33,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-10-19 14:33:33,206 INFO L402 AbstractCegarLoop]: === Iteration 251 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:33,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:33,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1021931767, now seen corresponding path program 38 times [2021-10-19 14:33:33,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:33,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132503177] [2021-10-19 14:33:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:33,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:33,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:33,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132503177] [2021-10-19 14:33:33,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132503177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:33,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:33,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:33,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527603757] [2021-10-19 14:33:33,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:33,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:33,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:33,507 INFO L87 Difference]: Start difference. First operand 2877 states and 5592 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:35,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:35,688 INFO L93 Difference]: Finished difference Result 3745 states and 7297 transitions. [2021-10-19 14:33:35,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:35,689 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:35,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:35,692 INFO L225 Difference]: With dead ends: 3745 [2021-10-19 14:33:35,692 INFO L226 Difference]: Without dead ends: 3745 [2021-10-19 14:33:35,693 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 1153.8ms TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:35,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2021-10-19 14:33:35,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 2871. [2021-10-19 14:33:35,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2862 states have (on average 1.949685534591195) internal successors, (5580), 2870 states have internal predecessors, (5580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 5580 transitions. [2021-10-19 14:33:35,715 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 5580 transitions. Word has length 134 [2021-10-19 14:33:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:35,715 INFO L470 AbstractCegarLoop]: Abstraction has 2871 states and 5580 transitions. [2021-10-19 14:33:35,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:35,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 5580 transitions. [2021-10-19 14:33:35,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:35,716 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:35,716 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:35,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-10-19 14:33:35,716 INFO L402 AbstractCegarLoop]: === Iteration 252 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:35,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:35,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1401431373, now seen corresponding path program 39 times [2021-10-19 14:33:35,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:35,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481091852] [2021-10-19 14:33:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:35,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:36,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:36,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481091852] [2021-10-19 14:33:36,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481091852] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:36,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:36,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:36,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335049858] [2021-10-19 14:33:36,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:36,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:36,013 INFO L87 Difference]: Start difference. First operand 2871 states and 5580 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:38,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:38,155 INFO L93 Difference]: Finished difference Result 3791 states and 7386 transitions. [2021-10-19 14:33:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:33:38,156 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:38,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:38,159 INFO L225 Difference]: With dead ends: 3791 [2021-10-19 14:33:38,159 INFO L226 Difference]: Without dead ends: 3791 [2021-10-19 14:33:38,159 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1548 ImplicationChecksByTransitivity, 1206.3ms TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2021-10-19 14:33:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2021-10-19 14:33:38,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 2817. [2021-10-19 14:33:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 2808 states have (on average 1.9487179487179487) internal successors, (5472), 2816 states have internal predecessors, (5472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 5472 transitions. [2021-10-19 14:33:38,180 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 5472 transitions. Word has length 134 [2021-10-19 14:33:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:38,180 INFO L470 AbstractCegarLoop]: Abstraction has 2817 states and 5472 transitions. [2021-10-19 14:33:38,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 5472 transitions. [2021-10-19 14:33:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:38,182 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:38,182 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:38,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-10-19 14:33:38,182 INFO L402 AbstractCegarLoop]: === Iteration 253 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash -680254813, now seen corresponding path program 40 times [2021-10-19 14:33:38,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:38,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017007717] [2021-10-19 14:33:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:38,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:38,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:38,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017007717] [2021-10-19 14:33:38,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017007717] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:38,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:38,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:38,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455053251] [2021-10-19 14:33:38,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:38,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:38,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:38,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:38,573 INFO L87 Difference]: Start difference. First operand 2817 states and 5472 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:40,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:40,483 INFO L93 Difference]: Finished difference Result 3092 states and 5977 transitions. [2021-10-19 14:33:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:33:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:40,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:40,486 INFO L225 Difference]: With dead ends: 3092 [2021-10-19 14:33:40,487 INFO L226 Difference]: Without dead ends: 3092 [2021-10-19 14:33:40,487 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 1266.4ms TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2021-10-19 14:33:40,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2021-10-19 14:33:40,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2829. [2021-10-19 14:33:40,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2829 states, 2820 states have (on average 1.9489361702127659) internal successors, (5496), 2828 states have internal predecessors, (5496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:40,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2829 states and 5496 transitions. [2021-10-19 14:33:40,507 INFO L78 Accepts]: Start accepts. Automaton has 2829 states and 5496 transitions. Word has length 134 [2021-10-19 14:33:40,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:40,507 INFO L470 AbstractCegarLoop]: Abstraction has 2829 states and 5496 transitions. [2021-10-19 14:33:40,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 5496 transitions. [2021-10-19 14:33:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:40,509 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:40,509 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:40,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-10-19 14:33:40,509 INFO L402 AbstractCegarLoop]: === Iteration 254 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:40,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:40,509 INFO L82 PathProgramCache]: Analyzing trace with hash -903823927, now seen corresponding path program 41 times [2021-10-19 14:33:40,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:40,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798528443] [2021-10-19 14:33:40,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:40,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:40,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:40,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798528443] [2021-10-19 14:33:40,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798528443] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:40,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:40,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:40,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176712211] [2021-10-19 14:33:40,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:40,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:40,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:40,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:40,929 INFO L87 Difference]: Start difference. First operand 2829 states and 5496 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:43,230 INFO L93 Difference]: Finished difference Result 3124 states and 6039 transitions. [2021-10-19 14:33:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:43,230 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:43,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:43,233 INFO L225 Difference]: With dead ends: 3124 [2021-10-19 14:33:43,233 INFO L226 Difference]: Without dead ends: 3124 [2021-10-19 14:33:43,233 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1426.3ms TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2021-10-19 14:33:43,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 2823. [2021-10-19 14:33:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2823 states, 2814 states have (on average 1.9488272921108742) internal successors, (5484), 2822 states have internal predecessors, (5484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2823 states and 5484 transitions. [2021-10-19 14:33:43,252 INFO L78 Accepts]: Start accepts. Automaton has 2823 states and 5484 transitions. Word has length 134 [2021-10-19 14:33:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:43,252 INFO L470 AbstractCegarLoop]: Abstraction has 2823 states and 5484 transitions. [2021-10-19 14:33:43,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5484 transitions. [2021-10-19 14:33:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:43,254 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:43,254 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:43,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-10-19 14:33:43,254 INFO L402 AbstractCegarLoop]: === Iteration 255 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:43,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:43,254 INFO L82 PathProgramCache]: Analyzing trace with hash 461141603, now seen corresponding path program 42 times [2021-10-19 14:33:43,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:43,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743590761] [2021-10-19 14:33:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:43,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:43,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:43,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743590761] [2021-10-19 14:33:43,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743590761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:43,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:43,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:43,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434898696] [2021-10-19 14:33:43,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:43,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:43,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:43,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:43,634 INFO L87 Difference]: Start difference. First operand 2823 states and 5484 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:45,824 INFO L93 Difference]: Finished difference Result 3153 states and 6095 transitions. [2021-10-19 14:33:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:45,824 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:45,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:45,827 INFO L225 Difference]: With dead ends: 3153 [2021-10-19 14:33:45,827 INFO L226 Difference]: Without dead ends: 3153 [2021-10-19 14:33:45,828 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1446.0ms TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3153 states. [2021-10-19 14:33:45,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3153 to 2817. [2021-10-19 14:33:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2817 states, 2808 states have (on average 1.9487179487179487) internal successors, (5472), 2816 states have internal predecessors, (5472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2817 states and 5472 transitions. [2021-10-19 14:33:45,847 INFO L78 Accepts]: Start accepts. Automaton has 2817 states and 5472 transitions. Word has length 134 [2021-10-19 14:33:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:45,848 INFO L470 AbstractCegarLoop]: Abstraction has 2817 states and 5472 transitions. [2021-10-19 14:33:45,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 5472 transitions. [2021-10-19 14:33:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:45,849 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:45,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:45,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-10-19 14:33:45,849 INFO L402 AbstractCegarLoop]: === Iteration 256 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:45,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:45,849 INFO L82 PathProgramCache]: Analyzing trace with hash -708787703, now seen corresponding path program 43 times [2021-10-19 14:33:45,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:45,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357285566] [2021-10-19 14:33:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:45,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:46,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:46,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357285566] [2021-10-19 14:33:46,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357285566] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:46,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:46,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:46,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631211341] [2021-10-19 14:33:46,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:46,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:46,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:46,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:46,210 INFO L87 Difference]: Start difference. First operand 2817 states and 5472 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:48,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:48,429 INFO L93 Difference]: Finished difference Result 3225 states and 6233 transitions. [2021-10-19 14:33:48,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:48,430 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:48,433 INFO L225 Difference]: With dead ends: 3225 [2021-10-19 14:33:48,433 INFO L226 Difference]: Without dead ends: 3225 [2021-10-19 14:33:48,433 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 1424.9ms TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3225 states. [2021-10-19 14:33:48,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3225 to 2807. [2021-10-19 14:33:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2798 states have (on average 1.9485346676197284) internal successors, (5452), 2806 states have internal predecessors, (5452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 5452 transitions. [2021-10-19 14:33:48,454 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 5452 transitions. Word has length 134 [2021-10-19 14:33:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:48,454 INFO L470 AbstractCegarLoop]: Abstraction has 2807 states and 5452 transitions. [2021-10-19 14:33:48,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 5452 transitions. [2021-10-19 14:33:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:48,455 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:48,456 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:48,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-10-19 14:33:48,456 INFO L402 AbstractCegarLoop]: === Iteration 257 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:48,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1115715543, now seen corresponding path program 44 times [2021-10-19 14:33:48,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:48,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052022482] [2021-10-19 14:33:48,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:48,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:48,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:48,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052022482] [2021-10-19 14:33:48,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052022482] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:48,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:48,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:48,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422615351] [2021-10-19 14:33:48,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:48,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:48,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:48,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:48,848 INFO L87 Difference]: Start difference. First operand 2807 states and 5452 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:51,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:51,031 INFO L93 Difference]: Finished difference Result 3075 states and 5943 transitions. [2021-10-19 14:33:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:33:51,031 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:51,034 INFO L225 Difference]: With dead ends: 3075 [2021-10-19 14:33:51,034 INFO L226 Difference]: Without dead ends: 3075 [2021-10-19 14:33:51,035 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1266 ImplicationChecksByTransitivity, 1307.0ms TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2021-10-19 14:33:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3075 states. [2021-10-19 14:33:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3075 to 2813. [2021-10-19 14:33:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2804 states have (on average 1.9486447931526392) internal successors, (5464), 2812 states have internal predecessors, (5464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 5464 transitions. [2021-10-19 14:33:51,055 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 5464 transitions. Word has length 134 [2021-10-19 14:33:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:51,055 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 5464 transitions. [2021-10-19 14:33:51,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 5464 transitions. [2021-10-19 14:33:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:51,056 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:51,057 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:51,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-10-19 14:33:51,057 INFO L402 AbstractCegarLoop]: === Iteration 258 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:51,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:51,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1339284657, now seen corresponding path program 45 times [2021-10-19 14:33:51,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:51,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016763998] [2021-10-19 14:33:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:51,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:51,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:51,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016763998] [2021-10-19 14:33:51,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016763998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:51,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:51,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:51,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122928032] [2021-10-19 14:33:51,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:51,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:51,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:51,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:51,477 INFO L87 Difference]: Start difference. First operand 2813 states and 5464 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:53,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:53,771 INFO L93 Difference]: Finished difference Result 3107 states and 6005 transitions. [2021-10-19 14:33:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:53,771 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:53,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:53,774 INFO L225 Difference]: With dead ends: 3107 [2021-10-19 14:33:53,774 INFO L226 Difference]: Without dead ends: 3107 [2021-10-19 14:33:53,774 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 1485.3ms TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:53,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-10-19 14:33:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2807. [2021-10-19 14:33:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2807 states, 2798 states have (on average 1.9485346676197284) internal successors, (5452), 2806 states have internal predecessors, (5452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 5452 transitions. [2021-10-19 14:33:53,793 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 5452 transitions. Word has length 134 [2021-10-19 14:33:53,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:53,794 INFO L470 AbstractCegarLoop]: Abstraction has 2807 states and 5452 transitions. [2021-10-19 14:33:53,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:53,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 5452 transitions. [2021-10-19 14:33:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:53,795 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:53,795 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:53,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-10-19 14:33:53,795 INFO L402 AbstractCegarLoop]: === Iteration 259 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:53,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:53,795 INFO L82 PathProgramCache]: Analyzing trace with hash 25680873, now seen corresponding path program 46 times [2021-10-19 14:33:53,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:53,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901431736] [2021-10-19 14:33:53,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:53,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:54,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:54,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901431736] [2021-10-19 14:33:54,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901431736] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:54,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:54,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:54,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069388814] [2021-10-19 14:33:54,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:54,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:54,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:54,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:54,178 INFO L87 Difference]: Start difference. First operand 2807 states and 5452 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:56,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:56,419 INFO L93 Difference]: Finished difference Result 3165 states and 6116 transitions. [2021-10-19 14:33:56,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:33:56,419 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:56,422 INFO L225 Difference]: With dead ends: 3165 [2021-10-19 14:33:56,422 INFO L226 Difference]: Without dead ends: 3165 [2021-10-19 14:33:56,423 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 1413.5ms TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:33:56,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3165 states. [2021-10-19 14:33:56,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3165 to 2797. [2021-10-19 14:33:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2788 states have (on average 1.9483500717360114) internal successors, (5432), 2796 states have internal predecessors, (5432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 5432 transitions. [2021-10-19 14:33:56,444 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 5432 transitions. Word has length 134 [2021-10-19 14:33:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:56,444 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 5432 transitions. [2021-10-19 14:33:56,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:56,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 5432 transitions. [2021-10-19 14:33:56,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:56,445 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:56,445 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:56,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-10-19 14:33:56,445 INFO L402 AbstractCegarLoop]: === Iteration 260 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:56,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1151933697, now seen corresponding path program 47 times [2021-10-19 14:33:56,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:56,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135048183] [2021-10-19 14:33:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:56,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:56,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:56,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135048183] [2021-10-19 14:33:56,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135048183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:56,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:56,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:56,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871885314] [2021-10-19 14:33:56,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:56,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:56,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:56,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:56,876 INFO L87 Difference]: Start difference. First operand 2797 states and 5432 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:58,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:33:58,833 INFO L93 Difference]: Finished difference Result 3048 states and 5889 transitions. [2021-10-19 14:33:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-19 14:33:58,834 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:33:58,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:33:58,836 INFO L225 Difference]: With dead ends: 3048 [2021-10-19 14:33:58,836 INFO L226 Difference]: Without dead ends: 3048 [2021-10-19 14:33:58,837 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364 ImplicationChecksByTransitivity, 1347.7ms TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2021-10-19 14:33:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2021-10-19 14:33:58,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 2791. [2021-10-19 14:33:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2791 states, 2782 states have (on average 1.94823867721064) internal successors, (5420), 2790 states have internal predecessors, (5420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2791 states and 5420 transitions. [2021-10-19 14:33:58,857 INFO L78 Accepts]: Start accepts. Automaton has 2791 states and 5420 transitions. Word has length 134 [2021-10-19 14:33:58,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:33:58,857 INFO L470 AbstractCegarLoop]: Abstraction has 2791 states and 5420 transitions. [2021-10-19 14:33:58,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:33:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 5420 transitions. [2021-10-19 14:33:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:33:58,858 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:33:58,858 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:33:58,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-10-19 14:33:58,858 INFO L402 AbstractCegarLoop]: === Iteration 261 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:33:58,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:33:58,858 INFO L82 PathProgramCache]: Analyzing trace with hash 928364583, now seen corresponding path program 48 times [2021-10-19 14:33:58,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:33:58,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265566604] [2021-10-19 14:33:58,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:33:58,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:33:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:33:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:33:59,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:33:59,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265566604] [2021-10-19 14:33:59,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265566604] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:33:59,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:33:59,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:33:59,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602163608] [2021-10-19 14:33:59,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:33:59,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:33:59,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:33:59,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:33:59,265 INFO L87 Difference]: Start difference. First operand 2791 states and 5420 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:01,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:01,716 INFO L93 Difference]: Finished difference Result 3071 states and 5933 transitions. [2021-10-19 14:34:01,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-19 14:34:01,716 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:01,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:01,719 INFO L225 Difference]: With dead ends: 3071 [2021-10-19 14:34:01,719 INFO L226 Difference]: Without dead ends: 3071 [2021-10-19 14:34:01,720 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 1395.6ms TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2021-10-19 14:34:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2021-10-19 14:34:01,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2777. [2021-10-19 14:34:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.9479768786127167) internal successors, (5392), 2776 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5392 transitions. [2021-10-19 14:34:01,750 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5392 transitions. Word has length 134 [2021-10-19 14:34:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:01,750 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5392 transitions. [2021-10-19 14:34:01,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:01,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5392 transitions. [2021-10-19 14:34:01,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:01,751 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:01,751 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:01,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-10-19 14:34:01,751 INFO L402 AbstractCegarLoop]: === Iteration 262 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:01,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:01,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1986071425, now seen corresponding path program 49 times [2021-10-19 14:34:01,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:01,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158337364] [2021-10-19 14:34:01,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:01,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:02,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:02,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158337364] [2021-10-19 14:34:02,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158337364] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:02,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:02,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:02,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769864146] [2021-10-19 14:34:02,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:02,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:02,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:02,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:02,012 INFO L87 Difference]: Start difference. First operand 2777 states and 5392 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:04,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:04,054 INFO L93 Difference]: Finished difference Result 4877 states and 9495 transitions. [2021-10-19 14:34:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-19 14:34:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:04,059 INFO L225 Difference]: With dead ends: 4877 [2021-10-19 14:34:04,059 INFO L226 Difference]: Without dead ends: 4877 [2021-10-19 14:34:04,059 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 956 ImplicationChecksByTransitivity, 767.0ms TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2021-10-19 14:34:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-10-19 14:34:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 2777. [2021-10-19 14:34:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2768 states have (on average 1.9479768786127167) internal successors, (5392), 2776 states have internal predecessors, (5392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:04,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 5392 transitions. [2021-10-19 14:34:04,083 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 5392 transitions. Word has length 134 [2021-10-19 14:34:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:04,083 INFO L470 AbstractCegarLoop]: Abstraction has 2777 states and 5392 transitions. [2021-10-19 14:34:04,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:04,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5392 transitions. [2021-10-19 14:34:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:04,084 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:04,084 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:04,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-10-19 14:34:04,085 INFO L402 AbstractCegarLoop]: === Iteration 263 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:04,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1342599773, now seen corresponding path program 50 times [2021-10-19 14:34:04,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:04,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415394065] [2021-10-19 14:34:04,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:04,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:04,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:04,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415394065] [2021-10-19 14:34:04,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415394065] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:04,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:04,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:04,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682293123] [2021-10-19 14:34:04,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:04,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:04,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:04,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:04,304 INFO L87 Difference]: Start difference. First operand 2777 states and 5392 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:05,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:05,737 INFO L93 Difference]: Finished difference Result 3250 states and 6321 transitions. [2021-10-19 14:34:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-19 14:34:05,737 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:05,740 INFO L225 Difference]: With dead ends: 3250 [2021-10-19 14:34:05,740 INFO L226 Difference]: Without dead ends: 3250 [2021-10-19 14:34:05,741 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 579.8ms TimeCoverageRelationStatistics Valid=438, Invalid=2532, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:34:05,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2021-10-19 14:34:05,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 2781. [2021-10-19 14:34:05,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2772 states have (on average 1.948051948051948) internal successors, (5400), 2780 states have internal predecessors, (5400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 5400 transitions. [2021-10-19 14:34:05,762 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 5400 transitions. Word has length 134 [2021-10-19 14:34:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:05,762 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 5400 transitions. [2021-10-19 14:34:05,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 5400 transitions. [2021-10-19 14:34:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:05,763 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:05,763 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:05,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-10-19 14:34:05,763 INFO L402 AbstractCegarLoop]: === Iteration 264 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:05,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:05,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1723793757, now seen corresponding path program 51 times [2021-10-19 14:34:05,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:05,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677633425] [2021-10-19 14:34:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:05,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:05,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:05,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677633425] [2021-10-19 14:34:05,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677633425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:05,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:05,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:05,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120746723] [2021-10-19 14:34:05,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:05,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:05,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:05,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:05,981 INFO L87 Difference]: Start difference. First operand 2781 states and 5400 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:07,303 INFO L93 Difference]: Finished difference Result 3292 states and 6402 transitions. [2021-10-19 14:34:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-19 14:34:07,304 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:07,306 INFO L225 Difference]: With dead ends: 3292 [2021-10-19 14:34:07,306 INFO L226 Difference]: Without dead ends: 3292 [2021-10-19 14:34:07,307 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 586.5ms TimeCoverageRelationStatistics Valid=424, Invalid=2546, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:34:07,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2021-10-19 14:34:07,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 2779. [2021-10-19 14:34:07,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2770 states have (on average 1.948014440433213) internal successors, (5396), 2778 states have internal predecessors, (5396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:07,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 5396 transitions. [2021-10-19 14:34:07,327 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 5396 transitions. Word has length 134 [2021-10-19 14:34:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:07,327 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 5396 transitions. [2021-10-19 14:34:07,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:07,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5396 transitions. [2021-10-19 14:34:07,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:07,328 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:07,328 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:07,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-10-19 14:34:07,328 INFO L402 AbstractCegarLoop]: === Iteration 265 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:07,328 INFO L82 PathProgramCache]: Analyzing trace with hash 456629061, now seen corresponding path program 52 times [2021-10-19 14:34:07,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:07,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584503777] [2021-10-19 14:34:07,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:07,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:07,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:07,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584503777] [2021-10-19 14:34:07,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584503777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:07,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:07,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:07,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678889702] [2021-10-19 14:34:07,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:07,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:07,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:07,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:07,573 INFO L87 Difference]: Start difference. First operand 2779 states and 5396 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:09,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:09,075 INFO L93 Difference]: Finished difference Result 3324 states and 6464 transitions. [2021-10-19 14:34:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-19 14:34:09,075 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:09,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:09,078 INFO L225 Difference]: With dead ends: 3324 [2021-10-19 14:34:09,078 INFO L226 Difference]: Without dead ends: 3324 [2021-10-19 14:34:09,078 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 596.1ms TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2021-10-19 14:34:09,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2021-10-19 14:34:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2753. [2021-10-19 14:34:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2753 states, 2744 states have (on average 1.9475218658892128) internal successors, (5344), 2752 states have internal predecessors, (5344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2753 states and 5344 transitions. [2021-10-19 14:34:09,098 INFO L78 Accepts]: Start accepts. Automaton has 2753 states and 5344 transitions. Word has length 134 [2021-10-19 14:34:09,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:09,098 INFO L470 AbstractCegarLoop]: Abstraction has 2753 states and 5344 transitions. [2021-10-19 14:34:09,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 5344 transitions. [2021-10-19 14:34:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:09,099 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:09,100 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:09,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-10-19 14:34:09,100 INFO L402 AbstractCegarLoop]: === Iteration 266 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:09,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:09,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1868174209, now seen corresponding path program 53 times [2021-10-19 14:34:09,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:09,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45042600] [2021-10-19 14:34:09,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:09,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:09,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:09,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:09,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45042600] [2021-10-19 14:34:09,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45042600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:09,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:09,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:09,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499658726] [2021-10-19 14:34:09,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:09,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:09,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:09,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:09,399 INFO L87 Difference]: Start difference. First operand 2753 states and 5344 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:10,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:10,851 INFO L93 Difference]: Finished difference Result 3690 states and 7201 transitions. [2021-10-19 14:34:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-19 14:34:10,851 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:10,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:10,855 INFO L225 Difference]: With dead ends: 3690 [2021-10-19 14:34:10,855 INFO L226 Difference]: Without dead ends: 3690 [2021-10-19 14:34:10,855 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 794.9ms TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2021-10-19 14:34:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-10-19 14:34:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 2747. [2021-10-19 14:34:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2747 states, 2738 states have (on average 1.9474068663257853) internal successors, (5332), 2746 states have internal predecessors, (5332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2747 states and 5332 transitions. [2021-10-19 14:34:10,876 INFO L78 Accepts]: Start accepts. Automaton has 2747 states and 5332 transitions. Word has length 134 [2021-10-19 14:34:10,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:10,876 INFO L470 AbstractCegarLoop]: Abstraction has 2747 states and 5332 transitions. [2021-10-19 14:34:10,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 5332 transitions. [2021-10-19 14:34:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:10,877 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:10,877 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:10,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-10-19 14:34:10,877 INFO L402 AbstractCegarLoop]: === Iteration 267 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:10,878 INFO L82 PathProgramCache]: Analyzing trace with hash 376676343, now seen corresponding path program 54 times [2021-10-19 14:34:10,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:10,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886867155] [2021-10-19 14:34:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:10,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:11,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:11,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886867155] [2021-10-19 14:34:11,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886867155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:11,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:11,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:11,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37282476] [2021-10-19 14:34:11,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:11,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:11,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:11,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:11,201 INFO L87 Difference]: Start difference. First operand 2747 states and 5332 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:12,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:12,970 INFO L93 Difference]: Finished difference Result 3720 states and 7259 transitions. [2021-10-19 14:34:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-19 14:34:12,971 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:12,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:12,974 INFO L225 Difference]: With dead ends: 3720 [2021-10-19 14:34:12,974 INFO L226 Difference]: Without dead ends: 3720 [2021-10-19 14:34:12,974 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 875.6ms TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2021-10-19 14:34:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2021-10-19 14:34:12,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 2741. [2021-10-19 14:34:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2741 states, 2732 states have (on average 1.9472913616398244) internal successors, (5320), 2740 states have internal predecessors, (5320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 5320 transitions. [2021-10-19 14:34:12,996 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 5320 transitions. Word has length 134 [2021-10-19 14:34:12,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:12,996 INFO L470 AbstractCegarLoop]: Abstraction has 2741 states and 5320 transitions. [2021-10-19 14:34:12,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 5320 transitions. [2021-10-19 14:34:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:12,997 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:12,997 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:12,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-10-19 14:34:12,997 INFO L402 AbstractCegarLoop]: === Iteration 268 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1050129693, now seen corresponding path program 55 times [2021-10-19 14:34:12,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:12,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611289310] [2021-10-19 14:34:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:12,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:13,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:13,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:13,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611289310] [2021-10-19 14:34:13,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611289310] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:13,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:13,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:13,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440088568] [2021-10-19 14:34:13,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:13,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:13,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:13,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:13,297 INFO L87 Difference]: Start difference. First operand 2741 states and 5320 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:15,143 INFO L93 Difference]: Finished difference Result 3776 states and 7367 transitions. [2021-10-19 14:34:15,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-19 14:34:15,144 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:15,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:15,147 INFO L225 Difference]: With dead ends: 3776 [2021-10-19 14:34:15,147 INFO L226 Difference]: Without dead ends: 3776 [2021-10-19 14:34:15,147 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 894.9ms TimeCoverageRelationStatistics Valid=553, Invalid=2987, Unknown=0, NotChecked=0, Total=3540 [2021-10-19 14:34:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3776 states. [2021-10-19 14:34:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3776 to 2735. [2021-10-19 14:34:15,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2735 states, 2726 states have (on average 1.9471753484959649) internal successors, (5308), 2734 states have internal predecessors, (5308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 5308 transitions. [2021-10-19 14:34:15,169 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 5308 transitions. Word has length 134 [2021-10-19 14:34:15,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:15,169 INFO L470 AbstractCegarLoop]: Abstraction has 2735 states and 5308 transitions. [2021-10-19 14:34:15,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 5308 transitions. [2021-10-19 14:34:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:15,170 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:15,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:15,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-10-19 14:34:15,171 INFO L402 AbstractCegarLoop]: === Iteration 269 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1373233447, now seen corresponding path program 56 times [2021-10-19 14:34:15,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:15,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467537095] [2021-10-19 14:34:15,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:15,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:15,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:15,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:15,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467537095] [2021-10-19 14:34:15,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467537095] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:15,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:15,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-19 14:34:15,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540691506] [2021-10-19 14:34:15,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-19 14:34:15,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:15,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-19 14:34:15,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-19 14:34:15,466 INFO L87 Difference]: Start difference. First operand 2735 states and 5308 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:17,303 INFO L93 Difference]: Finished difference Result 3822 states and 7456 transitions. [2021-10-19 14:34:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-19 14:34:17,304 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:17,307 INFO L225 Difference]: With dead ends: 3822 [2021-10-19 14:34:17,307 INFO L226 Difference]: Without dead ends: 3822 [2021-10-19 14:34:17,308 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 879.4ms TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2021-10-19 14:34:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-10-19 14:34:17,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 2681. [2021-10-19 14:34:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 2672 states have (on average 1.9461077844311376) internal successors, (5200), 2680 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 5200 transitions. [2021-10-19 14:34:17,343 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 5200 transitions. Word has length 134 [2021-10-19 14:34:17,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:17,343 INFO L470 AbstractCegarLoop]: Abstraction has 2681 states and 5200 transitions. [2021-10-19 14:34:17,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 5200 transitions. [2021-10-19 14:34:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:17,344 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:17,344 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:17,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-10-19 14:34:17,344 INFO L402 AbstractCegarLoop]: === Iteration 270 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:17,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:17,344 INFO L82 PathProgramCache]: Analyzing trace with hash -985203713, now seen corresponding path program 57 times [2021-10-19 14:34:17,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:17,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051287707] [2021-10-19 14:34:17,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:17,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:17,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:17,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051287707] [2021-10-19 14:34:17,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051287707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:17,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:17,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:17,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37903343] [2021-10-19 14:34:17,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:17,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:17,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:17,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:17,558 INFO L87 Difference]: Start difference. First operand 2681 states and 5200 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:19,125 INFO L93 Difference]: Finished difference Result 4977 states and 9623 transitions. [2021-10-19 14:34:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-19 14:34:19,125 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:19,130 INFO L225 Difference]: With dead ends: 4977 [2021-10-19 14:34:19,130 INFO L226 Difference]: Without dead ends: 4977 [2021-10-19 14:34:19,130 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 642.4ms TimeCoverageRelationStatistics Valid=578, Invalid=3844, Unknown=0, NotChecked=0, Total=4422 [2021-10-19 14:34:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2021-10-19 14:34:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 2669. [2021-10-19 14:34:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2660 states have (on average 1.9458646616541353) internal successors, (5176), 2668 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 5176 transitions. [2021-10-19 14:34:19,168 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 5176 transitions. Word has length 134 [2021-10-19 14:34:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:19,168 INFO L470 AbstractCegarLoop]: Abstraction has 2669 states and 5176 transitions. [2021-10-19 14:34:19,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 5176 transitions. [2021-10-19 14:34:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:19,169 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:19,169 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:19,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-10-19 14:34:19,169 INFO L402 AbstractCegarLoop]: === Iteration 271 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:19,170 INFO L82 PathProgramCache]: Analyzing trace with hash 267907007, now seen corresponding path program 58 times [2021-10-19 14:34:19,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:19,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404429136] [2021-10-19 14:34:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:19,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:19,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:19,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404429136] [2021-10-19 14:34:19,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404429136] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:19,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:19,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:19,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775616180] [2021-10-19 14:34:19,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:19,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:19,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:19,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:19,378 INFO L87 Difference]: Start difference. First operand 2669 states and 5176 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:21,078 INFO L93 Difference]: Finished difference Result 5057 states and 9778 transitions. [2021-10-19 14:34:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-19 14:34:21,079 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:21,083 INFO L225 Difference]: With dead ends: 5057 [2021-10-19 14:34:21,083 INFO L226 Difference]: Without dead ends: 5057 [2021-10-19 14:34:21,083 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1551 ImplicationChecksByTransitivity, 715.6ms TimeCoverageRelationStatistics Valid=681, Invalid=4575, Unknown=0, NotChecked=0, Total=5256 [2021-10-19 14:34:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5057 states. [2021-10-19 14:34:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5057 to 2651. [2021-10-19 14:34:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2642 states have (on average 1.9454958364875095) internal successors, (5140), 2650 states have internal predecessors, (5140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 5140 transitions. [2021-10-19 14:34:21,107 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 5140 transitions. Word has length 134 [2021-10-19 14:34:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:21,107 INFO L470 AbstractCegarLoop]: Abstraction has 2651 states and 5140 transitions. [2021-10-19 14:34:21,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 5140 transitions. [2021-10-19 14:34:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-10-19 14:34:21,108 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:21,108 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:21,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-10-19 14:34:21,109 INFO L402 AbstractCegarLoop]: === Iteration 272 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:21,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:21,109 INFO L82 PathProgramCache]: Analyzing trace with hash 415748611, now seen corresponding path program 59 times [2021-10-19 14:34:21,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:21,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271598057] [2021-10-19 14:34:21,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:21,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:21,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:21,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271598057] [2021-10-19 14:34:21,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271598057] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:21,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:21,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-19 14:34:21,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535371959] [2021-10-19 14:34:21,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-19 14:34:21,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:21,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-19 14:34:21,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2021-10-19 14:34:21,319 INFO L87 Difference]: Start difference. First operand 2651 states and 5140 transitions. Second operand has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:22,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:22,785 INFO L93 Difference]: Finished difference Result 3552 states and 6859 transitions. [2021-10-19 14:34:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-19 14:34:22,786 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-10-19 14:34:22,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:22,788 INFO L225 Difference]: With dead ends: 3552 [2021-10-19 14:34:22,789 INFO L226 Difference]: Without dead ends: 3552 [2021-10-19 14:34:22,789 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 617.4ms TimeCoverageRelationStatistics Valid=640, Invalid=3520, Unknown=0, NotChecked=0, Total=4160 [2021-10-19 14:34:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3552 states. [2021-10-19 14:34:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3552 to 2431. [2021-10-19 14:34:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2431 states, 2423 states have (on average 1.9418076764341725) internal successors, (4705), 2430 states have internal predecessors, (4705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 2431 states and 4705 transitions. [2021-10-19 14:34:22,808 INFO L78 Accepts]: Start accepts. Automaton has 2431 states and 4705 transitions. Word has length 134 [2021-10-19 14:34:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:22,808 INFO L470 AbstractCegarLoop]: Abstraction has 2431 states and 4705 transitions. [2021-10-19 14:34:22,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.052631578947368) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 4705 transitions. [2021-10-19 14:34:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-19 14:34:22,809 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:22,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:22,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-10-19 14:34:22,809 INFO L402 AbstractCegarLoop]: === Iteration 273 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:22,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:22,810 INFO L82 PathProgramCache]: Analyzing trace with hash -723259350, now seen corresponding path program 1 times [2021-10-19 14:34:22,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:22,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533173101] [2021-10-19 14:34:22,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:22,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:22,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:22,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533173101] [2021-10-19 14:34:22,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533173101] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:22,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:22,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:34:22,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314505844] [2021-10-19 14:34:22,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:34:22,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:22,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:34:22,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:22,859 INFO L87 Difference]: Start difference. First operand 2431 states and 4705 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:23,003 INFO L93 Difference]: Finished difference Result 2659 states and 5155 transitions. [2021-10-19 14:34:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:34:23,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-19 14:34:23,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:23,006 INFO L225 Difference]: With dead ends: 2659 [2021-10-19 14:34:23,006 INFO L226 Difference]: Without dead ends: 2659 [2021-10-19 14:34:23,006 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:23,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2021-10-19 14:34:23,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2534. [2021-10-19 14:34:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 2526 states have (on average 1.9429928741092637) internal successors, (4908), 2533 states have internal predecessors, (4908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 4908 transitions. [2021-10-19 14:34:23,024 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 4908 transitions. Word has length 139 [2021-10-19 14:34:23,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:23,025 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 4908 transitions. [2021-10-19 14:34:23,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 4908 transitions. [2021-10-19 14:34:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-19 14:34:23,026 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:23,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:23,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-10-19 14:34:23,026 INFO L402 AbstractCegarLoop]: === Iteration 274 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:23,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:23,026 INFO L82 PathProgramCache]: Analyzing trace with hash -30487746, now seen corresponding path program 1 times [2021-10-19 14:34:23,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:23,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655511714] [2021-10-19 14:34:23,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:23,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:23,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:23,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655511714] [2021-10-19 14:34:23,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655511714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:23,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:23,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-19 14:34:23,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440720584] [2021-10-19 14:34:23,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-19 14:34:23,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:23,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-19 14:34:23,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:34:23,052 INFO L87 Difference]: Start difference. First operand 2534 states and 4908 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:23,060 INFO L93 Difference]: Finished difference Result 1268 states and 2320 transitions. [2021-10-19 14:34:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-19 14:34:23,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-10-19 14:34:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:23,076 INFO L225 Difference]: With dead ends: 1268 [2021-10-19 14:34:23,076 INFO L226 Difference]: Without dead ends: 1268 [2021-10-19 14:34:23,076 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-19 14:34:23,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2021-10-19 14:34:23,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1108. [2021-10-19 14:34:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1106 states have (on average 1.817359855334539) internal successors, (2010), 1107 states have internal predecessors, (2010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2010 transitions. [2021-10-19 14:34:23,084 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2010 transitions. Word has length 147 [2021-10-19 14:34:23,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:23,085 INFO L470 AbstractCegarLoop]: Abstraction has 1108 states and 2010 transitions. [2021-10-19 14:34:23,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2010 transitions. [2021-10-19 14:34:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-19 14:34:23,086 INFO L509 BasicCegarLoop]: Found error trace [2021-10-19 14:34:23,086 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-19 14:34:23,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-10-19 14:34:23,086 INFO L402 AbstractCegarLoop]: === Iteration 275 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-10-19 14:34:23,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-19 14:34:23,086 INFO L82 PathProgramCache]: Analyzing trace with hash -662962513, now seen corresponding path program 1 times [2021-10-19 14:34:23,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-19 14:34:23,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676732839] [2021-10-19 14:34:23,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-19 14:34:23,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-19 14:34:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-19 14:34:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-19 14:34:23,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-19 14:34:23,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676732839] [2021-10-19 14:34:23,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676732839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-19 14:34:23,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-19 14:34:23,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-19 14:34:23,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149019394] [2021-10-19 14:34:23,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-19 14:34:23,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-19 14:34:23,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-19 14:34:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:23,136 INFO L87 Difference]: Start difference. First operand 1108 states and 2010 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-19 14:34:23,241 INFO L93 Difference]: Finished difference Result 1099 states and 1994 transitions. [2021-10-19 14:34:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-19 14:34:23,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-10-19 14:34:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-19 14:34:23,242 INFO L225 Difference]: With dead ends: 1099 [2021-10-19 14:34:23,242 INFO L226 Difference]: Without dead ends: 0 [2021-10-19 14:34:23,242 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-19 14:34:23,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-19 14:34:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-19 14:34:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-19 14:34:23,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2021-10-19 14:34:23,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-19 14:34:23,243 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-19 14:34:23,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-19 14:34:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-19 14:34:23,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-19 14:34:23,244 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE [2021-10-19 14:34:23,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-10-19 14:34:23,252 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-19 14:34:23,253 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-19 14:34:23,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:34:23 BasicIcfg [2021-10-19 14:34:23,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-19 14:34:23,255 INFO L168 Benchmark]: Toolchain (without parser) took 598634.25 ms. Allocated memory was 198.2 MB in the beginning and 446.7 MB in the end (delta: 248.5 MB). Free memory was 144.8 MB in the beginning and 148.2 MB in the end (delta: -3.4 MB). Peak memory consumption was 246.7 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,256 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 198.2 MB. Free memory was 163.8 MB in the beginning and 163.7 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-19 14:34:23,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.46 ms. Allocated memory is still 198.2 MB. Free memory was 144.5 MB in the beginning and 146.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.77 ms. Allocated memory is still 198.2 MB. Free memory was 146.5 MB in the beginning and 143.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,257 INFO L168 Benchmark]: Boogie Preprocessor took 43.31 ms. Allocated memory is still 198.2 MB. Free memory was 143.3 MB in the beginning and 140.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,259 INFO L168 Benchmark]: RCFGBuilder took 557.63 ms. Allocated memory is still 198.2 MB. Free memory was 140.7 MB in the beginning and 119.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,259 INFO L168 Benchmark]: TraceAbstraction took 597429.17 ms. Allocated memory was 198.2 MB in the beginning and 446.7 MB in the end (delta: 248.5 MB). Free memory was 119.2 MB in the beginning and 148.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 221.1 MB. Max. memory is 8.0 GB. [2021-10-19 14:34:23,261 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 198.2 MB. Free memory was 163.8 MB in the beginning and 163.7 MB in the end (delta: 102.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 533.46 ms. Allocated memory is still 198.2 MB. Free memory was 144.5 MB in the beginning and 146.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 64.77 ms. Allocated memory is still 198.2 MB. Free memory was 146.5 MB in the beginning and 143.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.31 ms. Allocated memory is still 198.2 MB. Free memory was 143.3 MB in the beginning and 140.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 557.63 ms. Allocated memory is still 198.2 MB. Free memory was 140.7 MB in the beginning and 119.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 597429.17 ms. Allocated memory was 198.2 MB in the beginning and 446.7 MB in the end (delta: 248.5 MB). Free memory was 119.2 MB in the beginning and 148.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 221.1 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 - PositiveResult [Line: 1221]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1242]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1221]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1243]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1243]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1246]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1246]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1247]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1221]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1231]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1231]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1232]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1232]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1233]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 266 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 597316.7ms, OverallIterations: 275, TraceHistogramMax: 1, EmptinessCheckTime: 292.2ms, AutomataDifference: 522933.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 91.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79281 SDtfs, 337008 SDslu, 802022 SDs, 0 SdLazy, 739900 SolverSat, 56522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 260172.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16419 GetRequests, 296 SyntacticMatches, 163 SemanticMatches, 15960 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285157 ImplicationChecksByTransitivity, 221887.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3192occurred in iteration=132, InterpolantAutomatonStates: 13380, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7971.8ms AutomataMinimizationTime, 275 MinimizatonAttempts, 608124 StatesRemovedByMinimization, 269 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 483.3ms SsaConstructionTime, 1916.0ms SatisfiabilityAnalysisTime, 62092.1ms InterpolantComputationTime, 34527 NumberOfCodeBlocks, 34527 NumberOfCodeBlocksAsserted, 275 NumberOfCheckSat, 34252 ConstructedInterpolants, 0 QuantifiedInterpolants, 364746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 275 InterpolantComputations, 275 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 - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-19 14:34:23,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...