/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_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:49,073 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:49,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-10-16 22:46:49,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:49,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:49,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:49,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:49,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:49,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:49,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:49,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:49,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:49,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:49,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:49,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:49,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:49,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:49,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:49,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:49,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:49,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:49,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:49,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:49,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:49,406 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:49,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2021-10-16 22:46:49,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf67ad68/ea17387a954a4e1d8c79986f52b0a08e/FLAG329e0b786 [2021-10-16 22:46:49,944 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:49,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2021-10-16 22:46:49,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf67ad68/ea17387a954a4e1d8c79986f52b0a08e/FLAG329e0b786 [2021-10-16 22:46:49,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bf67ad68/ea17387a954a4e1d8c79986f52b0a08e [2021-10-16 22:46:49,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:49,974 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:49,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:49,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:49,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:49,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf58f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49, skipping insertion in model container [2021-10-16 22:46:49,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:50,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:50,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:50,394 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:50,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:50,505 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:50,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50 WrapperNode [2021-10-16 22:46:50,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:50,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:50,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:50,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:50,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:50,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:50,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:50,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:50,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:50,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:50,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:50,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:50,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (1/1) ... [2021-10-16 22:46:50,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:50,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:50,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 22:46:50,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 22:46:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 22:46:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 22:46:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:50,671 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 22:46:51,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:51,290 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-16 22:46:51,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:51 BoogieIcfgContainer [2021-10-16 22:46:51,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:51,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:51,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:51,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:51,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:49" (1/3) ... [2021-10-16 22:46:51,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b37cd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:51, skipping insertion in model container [2021-10-16 22:46:51,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:50" (2/3) ... [2021-10-16 22:46:51,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b37cd50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:51, skipping insertion in model container [2021-10-16 22:46:51,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:51" (3/3) ... [2021-10-16 22:46:51,308 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2021-10-16 22:46:51,312 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:51,312 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:51,312 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-16 22:46:51,312 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:51,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,368 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem42.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:51,390 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:51,424 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:51,429 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 22:46:51,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-16 22:46:51,443 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 303 places, 299 transitions, 603 flow [2021-10-16 22:46:51,519 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3478 states, 3464 states have (on average 1.9246535796766744) internal successors, (6667), 3477 states have internal predecessors, (6667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 3478 states, 3464 states have (on average 1.9246535796766744) internal successors, (6667), 3477 states have internal predecessors, (6667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-16 22:46:51,533 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,534 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] [2021-10-16 22:46:51,534 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,538 INFO L82 PathProgramCache]: Analyzing trace with hash -299154937, now seen corresponding path program 1 times [2021-10-16 22:46:51,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624856125] [2021-10-16 22:46:51,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624856125] [2021-10-16 22:46:51,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624856125] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:51,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762932249] [2021-10-16 22:46:51,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:51,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:51,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,932 INFO L87 Difference]: Start difference. First operand has 3478 states, 3464 states have (on average 1.9246535796766744) internal successors, (6667), 3477 states have internal predecessors, (6667), 0 states have call successors, (0), 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 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,253 INFO L93 Difference]: Finished difference Result 3474 states and 6663 transitions. [2021-10-16 22:46:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:52,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-10-16 22:46:52,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,273 INFO L225 Difference]: With dead ends: 3474 [2021-10-16 22:46:52,274 INFO L226 Difference]: Without dead ends: 3474 [2021-10-16 22:46:52,275 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2021-10-16 22:46:52,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3474. [2021-10-16 22:46:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3474 states, 3464 states have (on average 1.923498845265589) internal successors, (6663), 3473 states have internal predecessors, (6663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3474 states and 6663 transitions. [2021-10-16 22:46:52,375 INFO L78 Accepts]: Start accepts. Automaton has 3474 states and 6663 transitions. Word has length 44 [2021-10-16 22:46:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,375 INFO L470 AbstractCegarLoop]: Abstraction has 3474 states and 6663 transitions. [2021-10-16 22:46:52,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 6663 transitions. [2021-10-16 22:46:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-16 22:46:52,376 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,376 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:52,377 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1764070472, now seen corresponding path program 1 times [2021-10-16 22:46:52,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375703557] [2021-10-16 22:46:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375703557] [2021-10-16 22:46:52,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375703557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:52,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906246875] [2021-10-16 22:46:52,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:52,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:52,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,464 INFO L87 Difference]: Start difference. First operand 3474 states and 6663 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,615 INFO L93 Difference]: Finished difference Result 3470 states and 6659 transitions. [2021-10-16 22:46:52,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:52,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-16 22:46:52,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,627 INFO L225 Difference]: With dead ends: 3470 [2021-10-16 22:46:52,627 INFO L226 Difference]: Without dead ends: 3470 [2021-10-16 22:46:52,628 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2021-10-16 22:46:52,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3470. [2021-10-16 22:46:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3470 states, 3464 states have (on average 1.9223441108545034) internal successors, (6659), 3469 states have internal predecessors, (6659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 6659 transitions. [2021-10-16 22:46:52,738 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 6659 transitions. Word has length 52 [2021-10-16 22:46:52,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,739 INFO L470 AbstractCegarLoop]: Abstraction has 3470 states and 6659 transitions. [2021-10-16 22:46:52,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 6659 transitions. [2021-10-16 22:46:52,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-16 22:46:52,745 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,745 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] [2021-10-16 22:46:52,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:52,745 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:52,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,746 INFO L82 PathProgramCache]: Analyzing trace with hash -652921123, now seen corresponding path program 1 times [2021-10-16 22:46:52,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188960692] [2021-10-16 22:46:52,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188960692] [2021-10-16 22:46:52,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188960692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:52,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249089858] [2021-10-16 22:46:52,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:52,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:52,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:52,792 INFO L87 Difference]: Start difference. First operand 3470 states and 6659 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,814 INFO L93 Difference]: Finished difference Result 3469 states and 6658 transitions. [2021-10-16 22:46:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:52,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-16 22:46:52,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,826 INFO L225 Difference]: With dead ends: 3469 [2021-10-16 22:46:52,826 INFO L226 Difference]: Without dead ends: 3469 [2021-10-16 22:46:52,827 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 [2021-10-16 22:46:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2021-10-16 22:46:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 3469. [2021-10-16 22:46:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3469 states, 3464 states have (on average 1.922055427251732) internal successors, (6658), 3468 states have internal predecessors, (6658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 3469 states and 6658 transitions. [2021-10-16 22:46:52,898 INFO L78 Accepts]: Start accepts. Automaton has 3469 states and 6658 transitions. Word has length 58 [2021-10-16 22:46:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,898 INFO L470 AbstractCegarLoop]: Abstraction has 3469 states and 6658 transitions. [2021-10-16 22:46:52,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 6658 transitions. [2021-10-16 22:46:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-16 22:46:52,902 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,902 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:52,902 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:52,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1767267437, now seen corresponding path program 1 times [2021-10-16 22:46:52,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649572548] [2021-10-16 22:46:52,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649572548] [2021-10-16 22:46:53,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649572548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,069 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:53,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30406458] [2021-10-16 22:46:53,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:53,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:53,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:53,072 INFO L87 Difference]: Start difference. First operand 3469 states and 6658 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,191 INFO L93 Difference]: Finished difference Result 3468 states and 6657 transitions. [2021-10-16 22:46:53,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:53,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-10-16 22:46:53,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,203 INFO L225 Difference]: With dead ends: 3468 [2021-10-16 22:46:53,203 INFO L226 Difference]: Without dead ends: 3468 [2021-10-16 22:46:53,204 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.6ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:53,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3468 states. [2021-10-16 22:46:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3468 to 3468. [2021-10-16 22:46:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3468 states, 3464 states have (on average 1.9217667436489607) internal successors, (6657), 3467 states have internal predecessors, (6657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3468 states and 6657 transitions. [2021-10-16 22:46:53,271 INFO L78 Accepts]: Start accepts. Automaton has 3468 states and 6657 transitions. Word has length 92 [2021-10-16 22:46:53,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,271 INFO L470 AbstractCegarLoop]: Abstraction has 3468 states and 6657 transitions. [2021-10-16 22:46:53,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,272 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 6657 transitions. [2021-10-16 22:46:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-16 22:46:53,286 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,286 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] [2021-10-16 22:46:53,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:53,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:53,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1891170954, now seen corresponding path program 1 times [2021-10-16 22:46:53,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467644814] [2021-10-16 22:46:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467644814] [2021-10-16 22:46:53,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467644814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:53,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058427181] [2021-10-16 22:46:53,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:53,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:53,325 INFO L87 Difference]: Start difference. First operand 3468 states and 6657 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,342 INFO L93 Difference]: Finished difference Result 3467 states and 6656 transitions. [2021-10-16 22:46:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:53,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-10-16 22:46:53,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,353 INFO L225 Difference]: With dead ends: 3467 [2021-10-16 22:46:53,353 INFO L226 Difference]: Without dead ends: 3467 [2021-10-16 22:46:53,353 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 [2021-10-16 22:46:53,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3467 states. [2021-10-16 22:46:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3467 to 3467. [2021-10-16 22:46:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3467 states, 3464 states have (on average 1.9214780600461894) internal successors, (6656), 3466 states have internal predecessors, (6656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 6656 transitions. [2021-10-16 22:46:53,420 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 6656 transitions. Word has length 99 [2021-10-16 22:46:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,421 INFO L470 AbstractCegarLoop]: Abstraction has 3467 states and 6656 transitions. [2021-10-16 22:46:53,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 6656 transitions. [2021-10-16 22:46:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-10-16 22:46:53,424 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,424 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:53,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:46:53,425 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:53,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,425 INFO L82 PathProgramCache]: Analyzing trace with hash 860961892, now seen corresponding path program 1 times [2021-10-16 22:46:53,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615294823] [2021-10-16 22:46:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615294823] [2021-10-16 22:46:53,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615294823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:53,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094414727] [2021-10-16 22:46:53,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:53,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:53,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:53,546 INFO L87 Difference]: Start difference. First operand 3467 states and 6656 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,700 INFO L93 Difference]: Finished difference Result 3466 states and 6655 transitions. [2021-10-16 22:46:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:53,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 156 [2021-10-16 22:46:53,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,720 INFO L225 Difference]: With dead ends: 3466 [2021-10-16 22:46:53,720 INFO L226 Difference]: Without dead ends: 3466 [2021-10-16 22:46:53,721 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:53,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3466 states. [2021-10-16 22:46:53,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3466 to 3466. [2021-10-16 22:46:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3466 states, 3464 states have (on average 1.921189376443418) internal successors, (6655), 3465 states have internal predecessors, (6655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3466 states to 3466 states and 6655 transitions. [2021-10-16 22:46:53,786 INFO L78 Accepts]: Start accepts. Automaton has 3466 states and 6655 transitions. Word has length 156 [2021-10-16 22:46:53,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,786 INFO L470 AbstractCegarLoop]: Abstraction has 3466 states and 6655 transitions. [2021-10-16 22:46:53,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3466 states and 6655 transitions. [2021-10-16 22:46:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-10-16 22:46:53,789 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,789 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:53,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:46:53,790 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:53,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,790 INFO L82 PathProgramCache]: Analyzing trace with hash 151451699, now seen corresponding path program 1 times [2021-10-16 22:46:53,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638878254] [2021-10-16 22:46:53,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:53,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:53,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638878254] [2021-10-16 22:46:53,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638878254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:53,932 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:53,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:53,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54993075] [2021-10-16 22:46:53,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:53,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:53,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:53,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:53,934 INFO L87 Difference]: Start difference. First operand 3466 states and 6655 transitions. Second operand has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:54,306 INFO L93 Difference]: Finished difference Result 3739 states and 7195 transitions. [2021-10-16 22:46:54,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:54,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-10-16 22:46:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:54,316 INFO L225 Difference]: With dead ends: 3739 [2021-10-16 22:46:54,316 INFO L226 Difference]: Without dead ends: 3739 [2021-10-16 22:46:54,316 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2021-10-16 22:46:54,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3645. [2021-10-16 22:46:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3645 states, 3643 states have (on average 1.9239637661268185) internal successors, (7009), 3644 states have internal predecessors, (7009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3645 states and 7009 transitions. [2021-10-16 22:46:54,379 INFO L78 Accepts]: Start accepts. Automaton has 3645 states and 7009 transitions. Word has length 187 [2021-10-16 22:46:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:54,379 INFO L470 AbstractCegarLoop]: Abstraction has 3645 states and 7009 transitions. [2021-10-16 22:46:54,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 37.4) internal successors, (187), 6 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3645 states and 7009 transitions. [2021-10-16 22:46:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-10-16 22:46:54,381 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:54,382 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:54,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:46:54,382 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:54,382 INFO L82 PathProgramCache]: Analyzing trace with hash 794081458, now seen corresponding path program 1 times [2021-10-16 22:46:54,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:54,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562921592] [2021-10-16 22:46:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:54,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:54,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:54,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562921592] [2021-10-16 22:46:54,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562921592] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:54,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:54,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:46:54,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44758312] [2021-10-16 22:46:54,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:54,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:54,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:54,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:54,429 INFO L87 Difference]: Start difference. First operand 3645 states and 7009 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:54,450 INFO L93 Difference]: Finished difference Result 2998 states and 5630 transitions. [2021-10-16 22:46:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:54,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 196 [2021-10-16 22:46:54,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:54,460 INFO L225 Difference]: With dead ends: 2998 [2021-10-16 22:46:54,460 INFO L226 Difference]: Without dead ends: 2998 [2021-10-16 22:46:54,460 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:54,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2021-10-16 22:46:54,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2812. [2021-10-16 22:46:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2812 states, 2810 states have (on average 1.8822064056939503) internal successors, (5289), 2811 states have internal predecessors, (5289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 5289 transitions. [2021-10-16 22:46:54,528 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 5289 transitions. Word has length 196 [2021-10-16 22:46:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:54,529 INFO L470 AbstractCegarLoop]: Abstraction has 2812 states and 5289 transitions. [2021-10-16 22:46:54,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 5289 transitions. [2021-10-16 22:46:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-10-16 22:46:54,532 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:54,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:54,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 22:46:54,533 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2075332540, now seen corresponding path program 1 times [2021-10-16 22:46:54,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:54,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718967113] [2021-10-16 22:46:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:54,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:54,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:54,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718967113] [2021-10-16 22:46:54,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718967113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:54,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:54,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:54,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074895567] [2021-10-16 22:46:54,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:54,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:54,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:54,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:54,667 INFO L87 Difference]: Start difference. First operand 2812 states and 5289 transitions. Second operand has 6 states, 5 states have (on average 43.8) internal successors, (219), 6 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:54,938 INFO L93 Difference]: Finished difference Result 2991 states and 5596 transitions. [2021-10-16 22:46:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 43.8) internal successors, (219), 6 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2021-10-16 22:46:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:54,943 INFO L225 Difference]: With dead ends: 2991 [2021-10-16 22:46:54,944 INFO L226 Difference]: Without dead ends: 2478 [2021-10-16 22:46:54,944 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:54,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2021-10-16 22:46:54,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2478. [2021-10-16 22:46:54,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2478 states, 2476 states have (on average 1.8489499192245558) internal successors, (4578), 2477 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 4578 transitions. [2021-10-16 22:46:54,987 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 4578 transitions. Word has length 219 [2021-10-16 22:46:54,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:54,988 INFO L470 AbstractCegarLoop]: Abstraction has 2478 states and 4578 transitions. [2021-10-16 22:46:54,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 43.8) internal successors, (219), 6 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 4578 transitions. [2021-10-16 22:46:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-16 22:46:54,990 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:54,991 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:54,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 22:46:54,991 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:54,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:54,991 INFO L82 PathProgramCache]: Analyzing trace with hash 236837731, now seen corresponding path program 1 times [2021-10-16 22:46:54,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:54,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355673686] [2021-10-16 22:46:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:54,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:55,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:55,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355673686] [2021-10-16 22:46:55,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355673686] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:55,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:55,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-10-16 22:46:55,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294320384] [2021-10-16 22:46:55,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-16 22:46:55,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:55,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-16 22:46:55,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2021-10-16 22:46:55,724 INFO L87 Difference]: Start difference. First operand 2478 states and 4578 transitions. Second operand has 26 states, 25 states have (on average 8.8) internal successors, (220), 26 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:57,317 INFO L93 Difference]: Finished difference Result 2757 states and 5119 transitions. [2021-10-16 22:46:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:46:57,317 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 8.8) internal successors, (220), 26 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2021-10-16 22:46:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:57,324 INFO L225 Difference]: With dead ends: 2757 [2021-10-16 22:46:57,324 INFO L226 Difference]: Without dead ends: 2757 [2021-10-16 22:46:57,325 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1027.8ms TimeCoverageRelationStatistics Valid=502, Invalid=2804, Unknown=0, NotChecked=0, Total=3306 [2021-10-16 22:46:57,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2021-10-16 22:46:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2423. [2021-10-16 22:46:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 2421 states have (on average 1.845518380834366) internal successors, (4468), 2422 states have internal predecessors, (4468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 4468 transitions. [2021-10-16 22:46:57,360 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 4468 transitions. Word has length 220 [2021-10-16 22:46:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:57,360 INFO L470 AbstractCegarLoop]: Abstraction has 2423 states and 4468 transitions. [2021-10-16 22:46:57,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 8.8) internal successors, (220), 26 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 4468 transitions. [2021-10-16 22:46:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-10-16 22:46:57,363 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:57,363 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:57,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 22:46:57,363 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:46:57,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:57,364 INFO L82 PathProgramCache]: Analyzing trace with hash 319167177, now seen corresponding path program 1 times [2021-10-16 22:46:57,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:57,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014930507] [2021-10-16 22:46:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:57,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:58,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:58,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014930507] [2021-10-16 22:46:58,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014930507] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:58,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:58,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-10-16 22:46:58,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102705324] [2021-10-16 22:46:58,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-16 22:46:58,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-16 22:46:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2021-10-16 22:46:58,099 INFO L87 Difference]: Start difference. First operand 2423 states and 4468 transitions. Second operand has 27 states, 26 states have (on average 8.76923076923077) internal successors, (228), 27 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:00,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:00,162 INFO L93 Difference]: Finished difference Result 2412 states and 4446 transitions. [2021-10-16 22:47:00,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:47:00,162 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.76923076923077) internal successors, (228), 27 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2021-10-16 22:47:00,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:00,171 INFO L225 Difference]: With dead ends: 2412 [2021-10-16 22:47:00,171 INFO L226 Difference]: Without dead ends: 2412 [2021-10-16 22:47:00,172 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 760.2ms TimeCoverageRelationStatistics Valid=324, Invalid=2328, Unknown=0, NotChecked=0, Total=2652 [2021-10-16 22:47:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2021-10-16 22:47:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2368. [2021-10-16 22:47:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2366 states have (on average 1.8465765004226542) internal successors, (4369), 2367 states have internal predecessors, (4369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 4369 transitions. [2021-10-16 22:47:00,205 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 4369 transitions. Word has length 228 [2021-10-16 22:47:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:00,206 INFO L470 AbstractCegarLoop]: Abstraction has 2368 states and 4369 transitions. [2021-10-16 22:47:00,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.76923076923077) internal successors, (228), 27 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 4369 transitions. [2021-10-16 22:47:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:00,209 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:00,209 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:00,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 22:47:00,209 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:00,209 INFO L82 PathProgramCache]: Analyzing trace with hash 674938162, now seen corresponding path program 1 times [2021-10-16 22:47:00,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:00,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618529274] [2021-10-16 22:47:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:00,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:01,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:01,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618529274] [2021-10-16 22:47:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618529274] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:01,353 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:01,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-10-16 22:47:01,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073902144] [2021-10-16 22:47:01,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-16 22:47:01,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:01,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-16 22:47:01,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:47:01,354 INFO L87 Difference]: Start difference. First operand 2368 states and 4369 transitions. Second operand has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:03,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:03,506 INFO L93 Difference]: Finished difference Result 2431 states and 4481 transitions. [2021-10-16 22:47:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:47:03,516 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:03,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:03,522 INFO L225 Difference]: With dead ends: 2431 [2021-10-16 22:47:03,523 INFO L226 Difference]: Without dead ends: 2422 [2021-10-16 22:47:03,523 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1421.9ms TimeCoverageRelationStatistics Valid=469, Invalid=3437, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:47:03,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2021-10-16 22:47:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2384. [2021-10-16 22:47:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2382 states have (on average 1.8471872376154492) internal successors, (4400), 2383 states have internal predecessors, (4400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 4400 transitions. [2021-10-16 22:47:03,556 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 4400 transitions. Word has length 231 [2021-10-16 22:47:03,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:03,557 INFO L470 AbstractCegarLoop]: Abstraction has 2384 states and 4400 transitions. [2021-10-16 22:47:03,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4400 transitions. [2021-10-16 22:47:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:03,560 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:03,560 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:03,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 22:47:03,560 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:03,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:03,561 INFO L82 PathProgramCache]: Analyzing trace with hash 749466368, now seen corresponding path program 2 times [2021-10-16 22:47:03,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:03,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422568505] [2021-10-16 22:47:03,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:03,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:04,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:04,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422568505] [2021-10-16 22:47:04,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422568505] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:04,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:04,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:47:04,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320167062] [2021-10-16 22:47:04,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:47:04,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:04,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:47:04,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:47:04,545 INFO L87 Difference]: Start difference. First operand 2384 states and 4400 transitions. Second operand has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:06,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:06,763 INFO L93 Difference]: Finished difference Result 2461 states and 4540 transitions. [2021-10-16 22:47:06,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-16 22:47:06,767 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:06,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:06,772 INFO L225 Difference]: With dead ends: 2461 [2021-10-16 22:47:06,772 INFO L226 Difference]: Without dead ends: 2452 [2021-10-16 22:47:06,773 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 1416.6ms TimeCoverageRelationStatistics Valid=396, Invalid=2796, Unknown=0, NotChecked=0, Total=3192 [2021-10-16 22:47:06,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2021-10-16 22:47:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 2390. [2021-10-16 22:47:06,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2390 states, 2388 states have (on average 1.847571189279732) internal successors, (4412), 2389 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2390 states and 4412 transitions. [2021-10-16 22:47:06,806 INFO L78 Accepts]: Start accepts. Automaton has 2390 states and 4412 transitions. Word has length 231 [2021-10-16 22:47:06,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:06,807 INFO L470 AbstractCegarLoop]: Abstraction has 2390 states and 4412 transitions. [2021-10-16 22:47:06,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:06,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 4412 transitions. [2021-10-16 22:47:06,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:06,812 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:06,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:06,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 22:47:06,812 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:06,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:06,812 INFO L82 PathProgramCache]: Analyzing trace with hash 376756776, now seen corresponding path program 3 times [2021-10-16 22:47:06,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:06,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697078697] [2021-10-16 22:47:06,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:06,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:07,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:07,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697078697] [2021-10-16 22:47:07,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697078697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:07,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:07,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:47:07,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635206680] [2021-10-16 22:47:07,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:47:07,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:07,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:47:07,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:47:07,766 INFO L87 Difference]: Start difference. First operand 2390 states and 4412 transitions. Second operand has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:09,748 INFO L93 Difference]: Finished difference Result 2466 states and 4549 transitions. [2021-10-16 22:47:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:47:09,748 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:09,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:09,752 INFO L225 Difference]: With dead ends: 2466 [2021-10-16 22:47:09,752 INFO L226 Difference]: Without dead ends: 2448 [2021-10-16 22:47:09,753 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 1084.5ms TimeCoverageRelationStatistics Valid=431, Invalid=2991, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:47:09,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2021-10-16 22:47:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2400. [2021-10-16 22:47:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2398 states have (on average 1.847789824854045) internal successors, (4431), 2399 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) [2021-10-16 22:47:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 4431 transitions. [2021-10-16 22:47:09,780 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 4431 transitions. Word has length 231 [2021-10-16 22:47:09,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:09,780 INFO L470 AbstractCegarLoop]: Abstraction has 2400 states and 4431 transitions. [2021-10-16 22:47:09,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4431 transitions. [2021-10-16 22:47:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:09,783 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:09,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:09,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 22:47:09,783 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:09,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1133416590, now seen corresponding path program 4 times [2021-10-16 22:47:09,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:09,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171867671] [2021-10-16 22:47:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:09,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:10,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:10,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171867671] [2021-10-16 22:47:10,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171867671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:10,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:10,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-10-16 22:47:10,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768353062] [2021-10-16 22:47:10,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-16 22:47:10,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-16 22:47:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:47:10,875 INFO L87 Difference]: Start difference. First operand 2400 states and 4431 transitions. Second operand has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:13,184 INFO L93 Difference]: Finished difference Result 2490 states and 4597 transitions. [2021-10-16 22:47:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:47:13,185 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:13,190 INFO L225 Difference]: With dead ends: 2490 [2021-10-16 22:47:13,190 INFO L226 Difference]: Without dead ends: 2481 [2021-10-16 22:47:13,192 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1444.6ms TimeCoverageRelationStatistics Valid=470, Invalid=3562, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:47:13,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2021-10-16 22:47:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2412. [2021-10-16 22:47:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2410 states have (on average 1.8485477178423237) internal successors, (4455), 2411 states have internal predecessors, (4455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 4455 transitions. [2021-10-16 22:47:13,219 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 4455 transitions. Word has length 231 [2021-10-16 22:47:13,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:13,219 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 4455 transitions. [2021-10-16 22:47:13,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.451612903225806) internal successors, (231), 32 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 4455 transitions. [2021-10-16 22:47:13,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:13,223 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:13,223 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:13,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 22:47:13,224 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:13,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:13,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1506126182, now seen corresponding path program 5 times [2021-10-16 22:47:13,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:13,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781882450] [2021-10-16 22:47:13,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:13,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:14,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:14,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781882450] [2021-10-16 22:47:14,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781882450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:14,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:14,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:47:14,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023168035] [2021-10-16 22:47:14,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:47:14,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:14,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:47:14,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:47:14,131 INFO L87 Difference]: Start difference. First operand 2412 states and 4455 transitions. Second operand has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:16,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:16,170 INFO L93 Difference]: Finished difference Result 2519 states and 4653 transitions. [2021-10-16 22:47:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:47:16,170 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:16,174 INFO L225 Difference]: With dead ends: 2519 [2021-10-16 22:47:16,174 INFO L226 Difference]: Without dead ends: 2501 [2021-10-16 22:47:16,175 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1177.4ms TimeCoverageRelationStatistics Valid=421, Invalid=3001, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:47:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-10-16 22:47:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2406. [2021-10-16 22:47:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 2404 states have (on average 1.848169717138103) internal successors, (4443), 2405 states have internal predecessors, (4443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 4443 transitions. [2021-10-16 22:47:16,201 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 4443 transitions. Word has length 231 [2021-10-16 22:47:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:16,201 INFO L470 AbstractCegarLoop]: Abstraction has 2406 states and 4443 transitions. [2021-10-16 22:47:16,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.25) internal successors, (231), 29 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4443 transitions. [2021-10-16 22:47:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:16,205 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:16,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:16,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 22:47:16,205 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:16,206 INFO L82 PathProgramCache]: Analyzing trace with hash -489242318, now seen corresponding path program 6 times [2021-10-16 22:47:16,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:16,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719381062] [2021-10-16 22:47:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:16,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:17,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:17,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:17,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719381062] [2021-10-16 22:47:17,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719381062] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:17,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:17,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:17,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716638561] [2021-10-16 22:47:17,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:17,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:17,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:17,176 INFO L87 Difference]: Start difference. First operand 2406 states and 4443 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:19,528 INFO L93 Difference]: Finished difference Result 2785 states and 5170 transitions. [2021-10-16 22:47:19,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-16 22:47:19,528 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:19,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:19,532 INFO L225 Difference]: With dead ends: 2785 [2021-10-16 22:47:19,532 INFO L226 Difference]: Without dead ends: 2758 [2021-10-16 22:47:19,534 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 1458.3ms TimeCoverageRelationStatistics Valid=572, Invalid=4398, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:47:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2021-10-16 22:47:19,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2416. [2021-10-16 22:47:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2416 states, 2414 states have (on average 1.848384424192212) internal successors, (4462), 2415 states have internal predecessors, (4462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2416 states and 4462 transitions. [2021-10-16 22:47:19,562 INFO L78 Accepts]: Start accepts. Automaton has 2416 states and 4462 transitions. Word has length 231 [2021-10-16 22:47:19,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:19,563 INFO L470 AbstractCegarLoop]: Abstraction has 2416 states and 4462 transitions. [2021-10-16 22:47:19,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 4462 transitions. [2021-10-16 22:47:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:19,566 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:19,566 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:19,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 22:47:19,566 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:19,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:19,567 INFO L82 PathProgramCache]: Analyzing trace with hash -302890482, now seen corresponding path program 7 times [2021-10-16 22:47:19,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:19,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901613632] [2021-10-16 22:47:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:19,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:20,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:20,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901613632] [2021-10-16 22:47:20,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901613632] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:20,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:20,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:20,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076410150] [2021-10-16 22:47:20,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:20,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:20,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:20,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:20,807 INFO L87 Difference]: Start difference. First operand 2416 states and 4462 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:23,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:23,572 INFO L93 Difference]: Finished difference Result 2554 states and 4721 transitions. [2021-10-16 22:47:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:47:23,573 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:23,576 INFO L225 Difference]: With dead ends: 2554 [2021-10-16 22:47:23,576 INFO L226 Difference]: Without dead ends: 2518 [2021-10-16 22:47:23,577 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 1936.0ms TimeCoverageRelationStatistics Valid=598, Invalid=4094, Unknown=0, NotChecked=0, Total=4692 [2021-10-16 22:47:23,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-10-16 22:47:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2432. [2021-10-16 22:47:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 2430 states have (on average 1.8489711934156379) internal successors, (4493), 2431 states have internal predecessors, (4493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 4493 transitions. [2021-10-16 22:47:23,613 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 4493 transitions. Word has length 231 [2021-10-16 22:47:23,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:23,613 INFO L470 AbstractCegarLoop]: Abstraction has 2432 states and 4493 transitions. [2021-10-16 22:47:23,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 4493 transitions. [2021-10-16 22:47:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:23,616 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:23,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:23,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 22:47:23,617 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:23,617 INFO L82 PathProgramCache]: Analyzing trace with hash 640817920, now seen corresponding path program 8 times [2021-10-16 22:47:23,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:23,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741630455] [2021-10-16 22:47:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:23,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:24,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:24,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741630455] [2021-10-16 22:47:24,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741630455] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:24,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:24,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:24,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679675840] [2021-10-16 22:47:24,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:24,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:24,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:24,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:24,743 INFO L87 Difference]: Start difference. First operand 2432 states and 4493 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:27,899 INFO L93 Difference]: Finished difference Result 2702 states and 5016 transitions. [2021-10-16 22:47:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-16 22:47:27,900 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:27,903 INFO L225 Difference]: With dead ends: 2702 [2021-10-16 22:47:27,903 INFO L226 Difference]: Without dead ends: 2666 [2021-10-16 22:47:27,904 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 1943.0ms TimeCoverageRelationStatistics Valid=615, Invalid=4355, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:47:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-10-16 22:47:27,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2522. [2021-10-16 22:47:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 2520 states have (on average 1.8543650793650794) internal successors, (4673), 2521 states have internal predecessors, (4673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 4673 transitions. [2021-10-16 22:47:27,930 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 4673 transitions. Word has length 231 [2021-10-16 22:47:27,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:27,930 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 4673 transitions. [2021-10-16 22:47:27,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 4673 transitions. [2021-10-16 22:47:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:27,934 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:27,934 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:27,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 22:47:27,934 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:27,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:27,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1768912004, now seen corresponding path program 9 times [2021-10-16 22:47:27,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:27,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750071198] [2021-10-16 22:47:27,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:27,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:28,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:28,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750071198] [2021-10-16 22:47:28,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750071198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:28,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:28,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:47:28,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674522641] [2021-10-16 22:47:28,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:47:28,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:28,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:47:28,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:47:28,743 INFO L87 Difference]: Start difference. First operand 2522 states and 4673 transitions. Second operand has 31 states, 30 states have (on average 7.7) internal successors, (231), 31 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:31,253 INFO L93 Difference]: Finished difference Result 3082 states and 5746 transitions. [2021-10-16 22:47:31,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:47:31,254 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.7) internal successors, (231), 31 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:31,257 INFO L225 Difference]: With dead ends: 3082 [2021-10-16 22:47:31,257 INFO L226 Difference]: Without dead ends: 3046 [2021-10-16 22:47:31,259 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1899 ImplicationChecksByTransitivity, 1582.0ms TimeCoverageRelationStatistics Valid=848, Invalid=6292, Unknown=0, NotChecked=0, Total=7140 [2021-10-16 22:47:31,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2021-10-16 22:47:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2672. [2021-10-16 22:47:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2670 states have (on average 1.8569288389513108) internal successors, (4958), 2671 states have internal predecessors, (4958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 4958 transitions. [2021-10-16 22:47:31,286 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 4958 transitions. Word has length 231 [2021-10-16 22:47:31,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:31,286 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 4958 transitions. [2021-10-16 22:47:31,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.7) internal successors, (231), 31 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 4958 transitions. [2021-10-16 22:47:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:31,290 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:31,290 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:31,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 22:47:31,290 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:31,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:31,290 INFO L82 PathProgramCache]: Analyzing trace with hash 867590158, now seen corresponding path program 10 times [2021-10-16 22:47:31,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:31,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104435195] [2021-10-16 22:47:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:31,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:31,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:31,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104435195] [2021-10-16 22:47:31,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104435195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:31,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:31,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-10-16 22:47:31,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922426191] [2021-10-16 22:47:31,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-16 22:47:31,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:31,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-16 22:47:31,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:47:31,944 INFO L87 Difference]: Start difference. First operand 2672 states and 4958 transitions. Second operand has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:33,812 INFO L93 Difference]: Finished difference Result 3058 states and 5694 transitions. [2021-10-16 22:47:33,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:47:33,812 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:33,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:33,816 INFO L225 Difference]: With dead ends: 3058 [2021-10-16 22:47:33,816 INFO L226 Difference]: Without dead ends: 3022 [2021-10-16 22:47:33,817 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 937.7ms TimeCoverageRelationStatistics Valid=459, Invalid=3323, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:47:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2021-10-16 22:47:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2672. [2021-10-16 22:47:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2670 states have (on average 1.8569288389513108) internal successors, (4958), 2671 states have internal predecessors, (4958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 4958 transitions. [2021-10-16 22:47:33,844 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 4958 transitions. Word has length 231 [2021-10-16 22:47:33,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:33,844 INFO L470 AbstractCegarLoop]: Abstraction has 2672 states and 4958 transitions. [2021-10-16 22:47:33,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 4958 transitions. [2021-10-16 22:47:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:33,849 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:33,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:33,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 22:47:33,849 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:33,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:33,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1644507530, now seen corresponding path program 11 times [2021-10-16 22:47:33,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:33,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101141533] [2021-10-16 22:47:33,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:33,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:34,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:34,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101141533] [2021-10-16 22:47:34,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101141533] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:34,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:34,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-10-16 22:47:34,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591826951] [2021-10-16 22:47:34,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-16 22:47:34,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:34,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-16 22:47:34,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:47:34,494 INFO L87 Difference]: Start difference. First operand 2672 states and 4958 transitions. Second operand has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:37,003 INFO L93 Difference]: Finished difference Result 3098 states and 5768 transitions. [2021-10-16 22:47:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:47:37,004 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:37,006 INFO L225 Difference]: With dead ends: 3098 [2021-10-16 22:47:37,006 INFO L226 Difference]: Without dead ends: 3062 [2021-10-16 22:47:37,007 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1256 ImplicationChecksByTransitivity, 1116.4ms TimeCoverageRelationStatistics Valid=606, Invalid=4650, Unknown=0, NotChecked=0, Total=5256 [2021-10-16 22:47:37,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2021-10-16 22:47:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2495. [2021-10-16 22:47:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2493 states have (on average 1.852787805856398) internal successors, (4619), 2494 states have internal predecessors, (4619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 4619 transitions. [2021-10-16 22:47:37,032 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 4619 transitions. Word has length 231 [2021-10-16 22:47:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:37,032 INFO L470 AbstractCegarLoop]: Abstraction has 2495 states and 4619 transitions. [2021-10-16 22:47:37,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.555555555555555) internal successors, (231), 28 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 4619 transitions. [2021-10-16 22:47:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-16 22:47:37,035 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:37,035 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:37,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 22:47:37,035 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:37,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:37,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1890715634, now seen corresponding path program 12 times [2021-10-16 22:47:37,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:37,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385772937] [2021-10-16 22:47:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:37,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:37,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:37,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385772937] [2021-10-16 22:47:37,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385772937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:37,715 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:37,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:37,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841917181] [2021-10-16 22:47:37,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:37,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:37,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:37,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:37,716 INFO L87 Difference]: Start difference. First operand 2495 states and 4619 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:40,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:40,160 INFO L93 Difference]: Finished difference Result 2700 states and 5018 transitions. [2021-10-16 22:47:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-16 22:47:40,168 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-10-16 22:47:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:40,171 INFO L225 Difference]: With dead ends: 2700 [2021-10-16 22:47:40,171 INFO L226 Difference]: Without dead ends: 2664 [2021-10-16 22:47:40,174 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1302.7ms TimeCoverageRelationStatistics Valid=571, Invalid=4399, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:47:40,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2021-10-16 22:47:40,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2308. [2021-10-16 22:47:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 2307 states have (on average 1.8461205028175118) internal successors, (4259), 2307 states have internal predecessors, (4259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:40,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 4259 transitions. [2021-10-16 22:47:40,212 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 4259 transitions. Word has length 231 [2021-10-16 22:47:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:40,213 INFO L470 AbstractCegarLoop]: Abstraction has 2308 states and 4259 transitions. [2021-10-16 22:47:40,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 4259 transitions. [2021-10-16 22:47:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:40,216 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:40,216 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:40,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 22:47:40,216 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:40,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:40,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1157826920, now seen corresponding path program 1 times [2021-10-16 22:47:40,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:40,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981640419] [2021-10-16 22:47:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:40,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:41,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:41,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981640419] [2021-10-16 22:47:41,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981640419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:41,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:41,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:41,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614980962] [2021-10-16 22:47:41,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:41,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:41,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:41,041 INFO L87 Difference]: Start difference. First operand 2308 states and 4259 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:43,187 INFO L93 Difference]: Finished difference Result 2843 states and 5281 transitions. [2021-10-16 22:47:43,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-10-16 22:47:43,187 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:43,190 INFO L225 Difference]: With dead ends: 2843 [2021-10-16 22:47:43,190 INFO L226 Difference]: Without dead ends: 2843 [2021-10-16 22:47:43,191 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1024.2ms TimeCoverageRelationStatistics Valid=403, Invalid=3019, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:47:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2021-10-16 22:47:43,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2498. [2021-10-16 22:47:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2497 states have (on average 1.8538245895074088) internal successors, (4629), 2497 states have internal predecessors, (4629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 4629 transitions. [2021-10-16 22:47:43,216 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 4629 transitions. Word has length 239 [2021-10-16 22:47:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:43,216 INFO L470 AbstractCegarLoop]: Abstraction has 2498 states and 4629 transitions. [2021-10-16 22:47:43,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:43,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 4629 transitions. [2021-10-16 22:47:43,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:43,237 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:43,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:43,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-16 22:47:43,237 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:43,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1138450932, now seen corresponding path program 2 times [2021-10-16 22:47:43,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:43,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501624612] [2021-10-16 22:47:43,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:43,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:44,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:44,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501624612] [2021-10-16 22:47:44,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501624612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:44,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:44,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:44,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778231889] [2021-10-16 22:47:44,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:44,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:44,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:44,047 INFO L87 Difference]: Start difference. First operand 2498 states and 4629 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:46,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:46,321 INFO L93 Difference]: Finished difference Result 3240 states and 6039 transitions. [2021-10-16 22:47:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:47:46,321 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:46,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:46,325 INFO L225 Difference]: With dead ends: 3240 [2021-10-16 22:47:46,325 INFO L226 Difference]: Without dead ends: 3240 [2021-10-16 22:47:46,325 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1074 ImplicationChecksByTransitivity, 1418.8ms TimeCoverageRelationStatistics Valid=496, Invalid=3794, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:47:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2021-10-16 22:47:46,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2588. [2021-10-16 22:47:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2588 states, 2587 states have (on average 1.8589099342868187) internal successors, (4809), 2587 states have internal predecessors, (4809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2588 states and 4809 transitions. [2021-10-16 22:47:46,351 INFO L78 Accepts]: Start accepts. Automaton has 2588 states and 4809 transitions. Word has length 239 [2021-10-16 22:47:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:46,351 INFO L470 AbstractCegarLoop]: Abstraction has 2588 states and 4809 transitions. [2021-10-16 22:47:46,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 4809 transitions. [2021-10-16 22:47:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:46,354 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:46,354 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:46,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-16 22:47:46,355 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:46,355 INFO L82 PathProgramCache]: Analyzing trace with hash 2015936908, now seen corresponding path program 3 times [2021-10-16 22:47:46,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:46,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414239861] [2021-10-16 22:47:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:46,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:47,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:47,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:47,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414239861] [2021-10-16 22:47:47,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414239861] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:47,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:47,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:47,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529979608] [2021-10-16 22:47:47,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:47,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:47,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:47,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:47,128 INFO L87 Difference]: Start difference. First operand 2588 states and 4809 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:49,072 INFO L93 Difference]: Finished difference Result 2674 states and 4937 transitions. [2021-10-16 22:47:49,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:47:49,075 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:49,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:49,078 INFO L225 Difference]: With dead ends: 2674 [2021-10-16 22:47:49,078 INFO L226 Difference]: Without dead ends: 2674 [2021-10-16 22:47:49,079 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 846 ImplicationChecksByTransitivity, 1265.3ms TimeCoverageRelationStatistics Valid=417, Invalid=3123, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:47:49,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-10-16 22:47:49,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2592. [2021-10-16 22:47:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 2591 states have (on average 1.8587417985333847) internal successors, (4816), 2591 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 4816 transitions. [2021-10-16 22:47:49,103 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 4816 transitions. Word has length 239 [2021-10-16 22:47:49,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:49,103 INFO L470 AbstractCegarLoop]: Abstraction has 2592 states and 4816 transitions. [2021-10-16 22:47:49,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 4816 transitions. [2021-10-16 22:47:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:49,107 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:49,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:49,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-16 22:47:49,108 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:49,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:49,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1835702746, now seen corresponding path program 4 times [2021-10-16 22:47:49,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:49,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618511102] [2021-10-16 22:47:49,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:49,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:49,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:49,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618511102] [2021-10-16 22:47:49,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618511102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:49,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:49,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:49,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743991152] [2021-10-16 22:47:49,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:49,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:49,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:49,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:49,888 INFO L87 Difference]: Start difference. First operand 2592 states and 4816 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:52,104 INFO L93 Difference]: Finished difference Result 2714 states and 4997 transitions. [2021-10-16 22:47:52,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:47:52,104 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:52,108 INFO L225 Difference]: With dead ends: 2714 [2021-10-16 22:47:52,108 INFO L226 Difference]: Without dead ends: 2714 [2021-10-16 22:47:52,108 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1342.0ms TimeCoverageRelationStatistics Valid=433, Invalid=3349, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:47:52,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2021-10-16 22:47:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 2592. [2021-10-16 22:47:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 2591 states have (on average 1.8587417985333847) internal successors, (4816), 2591 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 4816 transitions. [2021-10-16 22:47:52,143 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 4816 transitions. Word has length 239 [2021-10-16 22:47:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:52,143 INFO L470 AbstractCegarLoop]: Abstraction has 2592 states and 4816 transitions. [2021-10-16 22:47:52,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 4816 transitions. [2021-10-16 22:47:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:52,148 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:52,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:52,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-16 22:47:52,148 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:52,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:52,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1717081710, now seen corresponding path program 5 times [2021-10-16 22:47:52,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:52,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011806202] [2021-10-16 22:47:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:52,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:52,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:52,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011806202] [2021-10-16 22:47:52,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011806202] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:52,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:52,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:52,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177426568] [2021-10-16 22:47:52,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:52,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:52,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:52,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:52,877 INFO L87 Difference]: Start difference. First operand 2592 states and 4816 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:55,028 INFO L93 Difference]: Finished difference Result 2744 states and 5067 transitions. [2021-10-16 22:47:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:47:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:55,031 INFO L225 Difference]: With dead ends: 2744 [2021-10-16 22:47:55,031 INFO L226 Difference]: Without dead ends: 2744 [2021-10-16 22:47:55,032 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1302.1ms TimeCoverageRelationStatistics Valid=423, Invalid=3237, Unknown=0, NotChecked=0, Total=3660 [2021-10-16 22:47:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2744 states. [2021-10-16 22:47:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2744 to 2592. [2021-10-16 22:47:55,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 2591 states have (on average 1.8587417985333847) internal successors, (4816), 2591 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 4816 transitions. [2021-10-16 22:47:55,051 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 4816 transitions. Word has length 239 [2021-10-16 22:47:55,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:55,051 INFO L470 AbstractCegarLoop]: Abstraction has 2592 states and 4816 transitions. [2021-10-16 22:47:55,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 4816 transitions. [2021-10-16 22:47:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:55,054 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:55,054 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:55,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-16 22:47:55,055 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:55,055 INFO L82 PathProgramCache]: Analyzing trace with hash 2110284228, now seen corresponding path program 6 times [2021-10-16 22:47:55,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:55,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472488977] [2021-10-16 22:47:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:55,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:55,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:55,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472488977] [2021-10-16 22:47:55,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472488977] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:55,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:55,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:47:55,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852035672] [2021-10-16 22:47:55,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:47:55,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:55,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:47:55,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:47:55,780 INFO L87 Difference]: Start difference. First operand 2592 states and 4816 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:57,970 INFO L93 Difference]: Finished difference Result 2776 states and 5133 transitions. [2021-10-16 22:47:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-10-16 22:47:57,971 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:47:57,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:57,973 INFO L225 Difference]: With dead ends: 2776 [2021-10-16 22:47:57,973 INFO L226 Difference]: Without dead ends: 2776 [2021-10-16 22:47:57,973 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1295.2ms TimeCoverageRelationStatistics Valid=438, Invalid=3344, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:47:57,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2021-10-16 22:47:57,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2592. [2021-10-16 22:47:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2592 states, 2591 states have (on average 1.8587417985333847) internal successors, (4816), 2591 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2592 states and 4816 transitions. [2021-10-16 22:47:57,993 INFO L78 Accepts]: Start accepts. Automaton has 2592 states and 4816 transitions. Word has length 239 [2021-10-16 22:47:57,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:57,993 INFO L470 AbstractCegarLoop]: Abstraction has 2592 states and 4816 transitions. [2021-10-16 22:47:57,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 4816 transitions. [2021-10-16 22:47:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:47:57,996 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:57,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:57,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-16 22:47:57,996 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:47:57,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:57,997 INFO L82 PathProgramCache]: Analyzing trace with hash -291200530, now seen corresponding path program 7 times [2021-10-16 22:47:57,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:57,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662852276] [2021-10-16 22:47:57,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:57,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:58,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:58,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:58,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662852276] [2021-10-16 22:47:58,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662852276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:58,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:58,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-10-16 22:47:58,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142394981] [2021-10-16 22:47:58,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-16 22:47:58,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:58,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-16 22:47:58,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=897, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:47:58,921 INFO L87 Difference]: Start difference. First operand 2592 states and 4816 transitions. Second operand has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:01,289 INFO L93 Difference]: Finished difference Result 3046 states and 5595 transitions. [2021-10-16 22:48:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:48:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:01,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:01,293 INFO L225 Difference]: With dead ends: 3046 [2021-10-16 22:48:01,293 INFO L226 Difference]: Without dead ends: 3046 [2021-10-16 22:48:01,294 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290 ImplicationChecksByTransitivity, 1791.3ms TimeCoverageRelationStatistics Valid=616, Invalid=4496, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:48:01,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2021-10-16 22:48:01,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2615. [2021-10-16 22:48:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2614 states have (on average 1.8580719204284621) internal successors, (4857), 2614 states have internal predecessors, (4857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 4857 transitions. [2021-10-16 22:48:01,323 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 4857 transitions. Word has length 239 [2021-10-16 22:48:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:01,323 INFO L470 AbstractCegarLoop]: Abstraction has 2615 states and 4857 transitions. [2021-10-16 22:48:01,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 4857 transitions. [2021-10-16 22:48:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:01,326 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:01,326 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:01,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-16 22:48:01,326 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:01,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:01,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1702099246, now seen corresponding path program 8 times [2021-10-16 22:48:01,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:01,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634221120] [2021-10-16 22:48:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:01,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:02,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:02,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634221120] [2021-10-16 22:48:02,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634221120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:02,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:02,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:02,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036181749] [2021-10-16 22:48:02,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:02,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:02,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:02,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:02,228 INFO L87 Difference]: Start difference. First operand 2615 states and 4857 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:04,611 INFO L93 Difference]: Finished difference Result 3085 states and 5674 transitions. [2021-10-16 22:48:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:04,611 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:04,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:04,614 INFO L225 Difference]: With dead ends: 3085 [2021-10-16 22:48:04,614 INFO L226 Difference]: Without dead ends: 3085 [2021-10-16 22:48:04,615 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1579.6ms TimeCoverageRelationStatistics Valid=606, Invalid=3950, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:48:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2021-10-16 22:48:04,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2614. [2021-10-16 22:48:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 2613 states have (on average 1.858017604286261) internal successors, (4855), 2613 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4855 transitions. [2021-10-16 22:48:04,636 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 4855 transitions. Word has length 239 [2021-10-16 22:48:04,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:04,637 INFO L470 AbstractCegarLoop]: Abstraction has 2614 states and 4855 transitions. [2021-10-16 22:48:04,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 4855 transitions. [2021-10-16 22:48:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:04,640 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:04,640 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:04,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-16 22:48:04,640 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:04,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:04,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2130277038, now seen corresponding path program 9 times [2021-10-16 22:48:04,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:04,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376620276] [2021-10-16 22:48:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:04,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:05,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:05,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376620276] [2021-10-16 22:48:05,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376620276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:05,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:05,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:48:05,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650329400] [2021-10-16 22:48:05,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:48:05,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:05,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:48:05,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:48:05,474 INFO L87 Difference]: Start difference. First operand 2614 states and 4855 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:07,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:07,743 INFO L93 Difference]: Finished difference Result 3154 states and 5802 transitions. [2021-10-16 22:48:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:48:07,743 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:07,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:07,747 INFO L225 Difference]: With dead ends: 3154 [2021-10-16 22:48:07,747 INFO L226 Difference]: Without dead ends: 3154 [2021-10-16 22:48:07,747 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 1234.9ms TimeCoverageRelationStatistics Valid=505, Invalid=3401, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:48:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2021-10-16 22:48:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 2613. [2021-10-16 22:48:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2612 states have (on average 1.8579632465543645) internal successors, (4853), 2612 states have internal predecessors, (4853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4853 transitions. [2021-10-16 22:48:07,770 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4853 transitions. Word has length 239 [2021-10-16 22:48:07,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:07,770 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 4853 transitions. [2021-10-16 22:48:07,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4853 transitions. [2021-10-16 22:48:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:07,773 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:07,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:07,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-16 22:48:07,774 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:07,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:07,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2116561390, now seen corresponding path program 10 times [2021-10-16 22:48:07,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:07,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558877182] [2021-10-16 22:48:07,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:07,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:08,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:08,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558877182] [2021-10-16 22:48:08,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558877182] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:08,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:08,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:08,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439835006] [2021-10-16 22:48:08,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:08,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:08,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:08,518 INFO L87 Difference]: Start difference. First operand 2613 states and 4853 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:10,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:10,779 INFO L93 Difference]: Finished difference Result 3120 states and 5754 transitions. [2021-10-16 22:48:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:48:10,779 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:10,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:10,782 INFO L225 Difference]: With dead ends: 3120 [2021-10-16 22:48:10,782 INFO L226 Difference]: Without dead ends: 3120 [2021-10-16 22:48:10,783 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 1387.4ms TimeCoverageRelationStatistics Valid=533, Invalid=3627, Unknown=0, NotChecked=0, Total=4160 [2021-10-16 22:48:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2021-10-16 22:48:10,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 2612. [2021-10-16 22:48:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2612 states, 2611 states have (on average 1.8579088471849865) internal successors, (4851), 2611 states have internal predecessors, (4851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 4851 transitions. [2021-10-16 22:48:10,804 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 4851 transitions. Word has length 239 [2021-10-16 22:48:10,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:10,804 INFO L470 AbstractCegarLoop]: Abstraction has 2612 states and 4851 transitions. [2021-10-16 22:48:10,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 4851 transitions. [2021-10-16 22:48:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:10,807 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:10,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:10,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-16 22:48:10,807 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:10,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:10,808 INFO L82 PathProgramCache]: Analyzing trace with hash 350677272, now seen corresponding path program 11 times [2021-10-16 22:48:10,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:10,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000716886] [2021-10-16 22:48:10,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:10,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:11,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:11,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000716886] [2021-10-16 22:48:11,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000716886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:11,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:11,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:11,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376820603] [2021-10-16 22:48:11,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:11,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:11,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:11,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=839, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:11,681 INFO L87 Difference]: Start difference. First operand 2612 states and 4851 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:14,142 INFO L93 Difference]: Finished difference Result 3146 states and 5845 transitions. [2021-10-16 22:48:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:14,143 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:14,146 INFO L225 Difference]: With dead ends: 3146 [2021-10-16 22:48:14,146 INFO L226 Difference]: Without dead ends: 3146 [2021-10-16 22:48:14,147 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1258.5ms TimeCoverageRelationStatistics Valid=503, Invalid=4189, Unknown=0, NotChecked=0, Total=4692 [2021-10-16 22:48:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2021-10-16 22:48:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2494. [2021-10-16 22:48:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 2493 states have (on average 1.851183313277176) internal successors, (4615), 2493 states have internal predecessors, (4615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 4615 transitions. [2021-10-16 22:48:14,168 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 4615 transitions. Word has length 239 [2021-10-16 22:48:14,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:14,168 INFO L470 AbstractCegarLoop]: Abstraction has 2494 states and 4615 transitions. [2021-10-16 22:48:14,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 4615 transitions. [2021-10-16 22:48:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:14,171 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:14,171 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:14,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-16 22:48:14,171 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:14,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:14,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1916119628, now seen corresponding path program 12 times [2021-10-16 22:48:14,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:14,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838175398] [2021-10-16 22:48:14,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:14,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:15,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:15,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:15,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838175398] [2021-10-16 22:48:15,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838175398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:15,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:15,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:15,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488775628] [2021-10-16 22:48:15,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:15,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:15,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:15,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=838, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:15,006 INFO L87 Difference]: Start difference. First operand 2494 states and 4615 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:16,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:16,793 INFO L93 Difference]: Finished difference Result 2618 states and 4817 transitions. [2021-10-16 22:48:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:48:16,794 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:16,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:16,796 INFO L225 Difference]: With dead ends: 2618 [2021-10-16 22:48:16,797 INFO L226 Difference]: Without dead ends: 2618 [2021-10-16 22:48:16,797 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 1129.5ms TimeCoverageRelationStatistics Valid=439, Invalid=3593, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:48:16,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2021-10-16 22:48:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2497. [2021-10-16 22:48:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2496 states have (on average 1.8513621794871795) internal successors, (4621), 2496 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4621 transitions. [2021-10-16 22:48:16,817 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4621 transitions. Word has length 239 [2021-10-16 22:48:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:16,817 INFO L470 AbstractCegarLoop]: Abstraction has 2497 states and 4621 transitions. [2021-10-16 22:48:16,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4621 transitions. [2021-10-16 22:48:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:16,820 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:16,820 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:16,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-16 22:48:16,820 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:16,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1935520026, now seen corresponding path program 13 times [2021-10-16 22:48:16,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:16,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010669261] [2021-10-16 22:48:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:16,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:17,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:17,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010669261] [2021-10-16 22:48:17,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010669261] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:17,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:17,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:17,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018265944] [2021-10-16 22:48:17,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:17,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:17,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:17,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:17,673 INFO L87 Difference]: Start difference. First operand 2497 states and 4621 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:19,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:19,946 INFO L93 Difference]: Finished difference Result 2658 states and 4877 transitions. [2021-10-16 22:48:19,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:48:19,946 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:19,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:19,949 INFO L225 Difference]: With dead ends: 2658 [2021-10-16 22:48:19,949 INFO L226 Difference]: Without dead ends: 2658 [2021-10-16 22:48:19,949 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 1214.0ms TimeCoverageRelationStatistics Valid=455, Invalid=3835, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:48:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2021-10-16 22:48:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2496. [2021-10-16 22:48:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.851302605210421) internal successors, (4619), 2495 states have internal predecessors, (4619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 4619 transitions. [2021-10-16 22:48:19,970 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 4619 transitions. Word has length 239 [2021-10-16 22:48:19,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:19,970 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 4619 transitions. [2021-10-16 22:48:19,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:19,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 4619 transitions. [2021-10-16 22:48:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:19,973 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:19,973 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:19,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-16 22:48:19,973 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:19,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1617264430, now seen corresponding path program 14 times [2021-10-16 22:48:19,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:19,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051176236] [2021-10-16 22:48:19,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:19,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:20,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:20,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:20,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051176236] [2021-10-16 22:48:20,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051176236] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:20,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:20,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-10-16 22:48:20,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348430646] [2021-10-16 22:48:20,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-16 22:48:20,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:20,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-16 22:48:20,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:48:20,725 INFO L87 Difference]: Start difference. First operand 2496 states and 4619 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:22,545 INFO L93 Difference]: Finished difference Result 2688 states and 4947 transitions. [2021-10-16 22:48:22,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:48:22,546 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:22,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:22,548 INFO L225 Difference]: With dead ends: 2688 [2021-10-16 22:48:22,548 INFO L226 Difference]: Without dead ends: 2688 [2021-10-16 22:48:22,548 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 941.5ms TimeCoverageRelationStatistics Valid=390, Invalid=2916, Unknown=0, NotChecked=0, Total=3306 [2021-10-16 22:48:22,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2021-10-16 22:48:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2495. [2021-10-16 22:48:22,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2494 states have (on average 1.851242983159583) internal successors, (4617), 2494 states have internal predecessors, (4617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 4617 transitions. [2021-10-16 22:48:22,567 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 4617 transitions. Word has length 239 [2021-10-16 22:48:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:22,567 INFO L470 AbstractCegarLoop]: Abstraction has 2495 states and 4617 transitions. [2021-10-16 22:48:22,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 4617 transitions. [2021-10-16 22:48:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:22,569 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:22,570 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:22,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-16 22:48:22,570 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:22,570 INFO L82 PathProgramCache]: Analyzing trace with hash 2010466948, now seen corresponding path program 15 times [2021-10-16 22:48:22,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:22,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820018170] [2021-10-16 22:48:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:22,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:23,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:23,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820018170] [2021-10-16 22:48:23,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820018170] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:23,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:23,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-10-16 22:48:23,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678294371] [2021-10-16 22:48:23,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-16 22:48:23,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:23,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-16 22:48:23,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2021-10-16 22:48:23,317 INFO L87 Difference]: Start difference. First operand 2495 states and 4617 transitions. Second operand has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:24,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:24,985 INFO L93 Difference]: Finished difference Result 2720 states and 5013 transitions. [2021-10-16 22:48:24,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:48:24,986 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:24,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:24,988 INFO L225 Difference]: With dead ends: 2720 [2021-10-16 22:48:24,988 INFO L226 Difference]: Without dead ends: 2720 [2021-10-16 22:48:24,989 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 953.4ms TimeCoverageRelationStatistics Valid=405, Invalid=3017, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:48:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2021-10-16 22:48:25,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2479. [2021-10-16 22:48:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 2478 states have (on average 1.8502824858757063) internal successors, (4585), 2478 states have internal predecessors, (4585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 4585 transitions. [2021-10-16 22:48:25,008 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 4585 transitions. Word has length 239 [2021-10-16 22:48:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:25,009 INFO L470 AbstractCegarLoop]: Abstraction has 2479 states and 4585 transitions. [2021-10-16 22:48:25,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 8.851851851851851) internal successors, (239), 28 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 4585 transitions. [2021-10-16 22:48:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:25,011 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:25,011 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:25,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-16 22:48:25,011 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:25,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:25,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1262560322, now seen corresponding path program 16 times [2021-10-16 22:48:25,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:25,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848139064] [2021-10-16 22:48:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:25,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:25,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:25,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848139064] [2021-10-16 22:48:25,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848139064] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:25,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:25,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:25,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281747033] [2021-10-16 22:48:25,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:25,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:25,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:25,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:25,869 INFO L87 Difference]: Start difference. First operand 2479 states and 4585 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:28,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:28,071 INFO L93 Difference]: Finished difference Result 2618 states and 4802 transitions. [2021-10-16 22:48:28,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:48:28,071 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:28,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:28,073 INFO L225 Difference]: With dead ends: 2618 [2021-10-16 22:48:28,074 INFO L226 Difference]: Without dead ends: 2618 [2021-10-16 22:48:28,074 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 1472.3ms TimeCoverageRelationStatistics Valid=625, Invalid=3931, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:48:28,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2021-10-16 22:48:28,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2497. [2021-10-16 22:48:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2497 states, 2496 states have (on average 1.8513621794871795) internal successors, (4621), 2496 states have internal predecessors, (4621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 4621 transitions. [2021-10-16 22:48:28,092 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 4621 transitions. Word has length 239 [2021-10-16 22:48:28,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:28,093 INFO L470 AbstractCegarLoop]: Abstraction has 2497 states and 4621 transitions. [2021-10-16 22:48:28,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4621 transitions. [2021-10-16 22:48:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:28,095 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:28,095 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:28,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-16 22:48:28,096 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:28,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1621508258, now seen corresponding path program 17 times [2021-10-16 22:48:28,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:28,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811728152] [2021-10-16 22:48:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:28,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:28,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:28,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811728152] [2021-10-16 22:48:28,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811728152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:28,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:28,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:28,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525579696] [2021-10-16 22:48:28,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:28,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:28,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:28,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:28,986 INFO L87 Difference]: Start difference. First operand 2497 states and 4621 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:31,512 INFO L93 Difference]: Finished difference Result 2657 states and 4881 transitions. [2021-10-16 22:48:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-10-16 22:48:31,513 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:31,515 INFO L225 Difference]: With dead ends: 2657 [2021-10-16 22:48:31,515 INFO L226 Difference]: Without dead ends: 2657 [2021-10-16 22:48:31,515 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1613.8ms TimeCoverageRelationStatistics Valid=654, Invalid=4176, Unknown=0, NotChecked=0, Total=4830 [2021-10-16 22:48:31,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2021-10-16 22:48:31,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 2491. [2021-10-16 22:48:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2490 states have (on average 1.8510040160642571) internal successors, (4609), 2490 states have internal predecessors, (4609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 4609 transitions. [2021-10-16 22:48:31,535 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 4609 transitions. Word has length 239 [2021-10-16 22:48:31,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:31,535 INFO L470 AbstractCegarLoop]: Abstraction has 2491 states and 4609 transitions. [2021-10-16 22:48:31,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 4609 transitions. [2021-10-16 22:48:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:31,538 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:31,538 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:31,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-16 22:48:31,538 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:31,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:31,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1158917246, now seen corresponding path program 18 times [2021-10-16 22:48:31,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:31,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125091488] [2021-10-16 22:48:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:31,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:32,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:32,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125091488] [2021-10-16 22:48:32,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125091488] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:32,265 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:32,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:48:32,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493817530] [2021-10-16 22:48:32,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:48:32,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:32,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:48:32,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:48:32,266 INFO L87 Difference]: Start difference. First operand 2491 states and 4609 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:35,038 INFO L93 Difference]: Finished difference Result 2726 states and 5009 transitions. [2021-10-16 22:48:35,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:35,038 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:35,041 INFO L225 Difference]: With dead ends: 2726 [2021-10-16 22:48:35,041 INFO L226 Difference]: Without dead ends: 2726 [2021-10-16 22:48:35,041 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1862.5ms TimeCoverageRelationStatistics Valid=600, Invalid=3690, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:48:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2021-10-16 22:48:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2485. [2021-10-16 22:48:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2484 states have (on average 1.8506441223832528) internal successors, (4597), 2484 states have internal predecessors, (4597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 4597 transitions. [2021-10-16 22:48:35,061 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 4597 transitions. Word has length 239 [2021-10-16 22:48:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:35,061 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 4597 transitions. [2021-10-16 22:48:35,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 4597 transitions. [2021-10-16 22:48:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:35,063 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:35,064 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:35,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-16 22:48:35,064 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:35,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1207046114, now seen corresponding path program 19 times [2021-10-16 22:48:35,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:35,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180298697] [2021-10-16 22:48:35,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:35,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:35,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:35,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180298697] [2021-10-16 22:48:35,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180298697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:35,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:35,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-10-16 22:48:35,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327013709] [2021-10-16 22:48:35,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-10-16 22:48:35,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:35,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-10-16 22:48:35,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-10-16 22:48:35,783 INFO L87 Difference]: Start difference. First operand 2485 states and 4597 transitions. Second operand has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:38,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:38,288 INFO L93 Difference]: Finished difference Result 2785 states and 5127 transitions. [2021-10-16 22:48:38,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:38,288 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:38,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:38,291 INFO L225 Difference]: With dead ends: 2785 [2021-10-16 22:48:38,291 INFO L226 Difference]: Without dead ends: 2785 [2021-10-16 22:48:38,291 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1502.1ms TimeCoverageRelationStatistics Valid=597, Invalid=3693, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:48:38,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2785 states. [2021-10-16 22:48:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2785 to 2404. [2021-10-16 22:48:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 2403 states have (on average 1.8456096545984186) internal successors, (4435), 2403 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) [2021-10-16 22:48:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 4435 transitions. [2021-10-16 22:48:38,312 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 4435 transitions. Word has length 239 [2021-10-16 22:48:38,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:38,312 INFO L470 AbstractCegarLoop]: Abstraction has 2404 states and 4435 transitions. [2021-10-16 22:48:38,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 8.535714285714286) internal successors, (239), 29 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:38,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 4435 transitions. [2021-10-16 22:48:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:38,314 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:38,314 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:38,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-16 22:48:38,315 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:38,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:38,315 INFO L82 PathProgramCache]: Analyzing trace with hash -719275112, now seen corresponding path program 20 times [2021-10-16 22:48:38,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:38,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155795668] [2021-10-16 22:48:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:38,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:39,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:39,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155795668] [2021-10-16 22:48:39,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155795668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:39,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:39,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:39,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409145465] [2021-10-16 22:48:39,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:39,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:39,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:39,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=785, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:39,091 INFO L87 Difference]: Start difference. First operand 2404 states and 4435 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:41,353 INFO L93 Difference]: Finished difference Result 3161 states and 5868 transitions. [2021-10-16 22:48:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:48:41,354 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:41,357 INFO L225 Difference]: With dead ends: 3161 [2021-10-16 22:48:41,357 INFO L226 Difference]: Without dead ends: 3161 [2021-10-16 22:48:41,358 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1386.2ms TimeCoverageRelationStatistics Valid=606, Invalid=3950, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:48:41,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2021-10-16 22:48:41,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2360. [2021-10-16 22:48:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2359 states have (on average 1.844001695633743) internal successors, (4350), 2359 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4350 transitions. [2021-10-16 22:48:41,379 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4350 transitions. Word has length 239 [2021-10-16 22:48:41,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:41,379 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4350 transitions. [2021-10-16 22:48:41,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:41,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4350 transitions. [2021-10-16 22:48:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:41,381 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:41,381 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:41,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-16 22:48:41,382 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:41,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:41,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1545929708, now seen corresponding path program 21 times [2021-10-16 22:48:41,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:41,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137954841] [2021-10-16 22:48:41,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:41,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:42,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:42,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137954841] [2021-10-16 22:48:42,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137954841] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:42,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:42,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:42,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703479186] [2021-10-16 22:48:42,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:42,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:42,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:42,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=838, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:42,534 INFO L87 Difference]: Start difference. First operand 2360 states and 4350 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:45,987 INFO L93 Difference]: Finished difference Result 2438 states and 4467 transitions. [2021-10-16 22:48:45,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:48:45,987 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:45,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:45,990 INFO L225 Difference]: With dead ends: 2438 [2021-10-16 22:48:45,990 INFO L226 Difference]: Without dead ends: 2438 [2021-10-16 22:48:45,990 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 2192.2ms TimeCoverageRelationStatistics Valid=565, Invalid=3595, Unknown=0, NotChecked=0, Total=4160 [2021-10-16 22:48:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2021-10-16 22:48:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2360. [2021-10-16 22:48:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2359 states have (on average 1.844001695633743) internal successors, (4350), 2359 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4350 transitions. [2021-10-16 22:48:46,008 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4350 transitions. Word has length 239 [2021-10-16 22:48:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:46,008 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4350 transitions. [2021-10-16 22:48:46,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4350 transitions. [2021-10-16 22:48:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:46,010 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:46,010 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:46,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-16 22:48:46,010 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash -634161508, now seen corresponding path program 22 times [2021-10-16 22:48:46,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:46,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839941234] [2021-10-16 22:48:46,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:46,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:47,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:47,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839941234] [2021-10-16 22:48:47,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839941234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:47,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:47,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:47,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973596870] [2021-10-16 22:48:47,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:47,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:47,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:47,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:47,155 INFO L87 Difference]: Start difference. First operand 2360 states and 4350 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:50,906 INFO L93 Difference]: Finished difference Result 2474 states and 4511 transitions. [2021-10-16 22:48:50,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:50,907 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:50,909 INFO L225 Difference]: With dead ends: 2474 [2021-10-16 22:48:50,909 INFO L226 Difference]: Without dead ends: 2474 [2021-10-16 22:48:50,910 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 2397.9ms TimeCoverageRelationStatistics Valid=629, Invalid=3927, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:48:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2021-10-16 22:48:50,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2366. [2021-10-16 22:48:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2365 states have (on average 1.8443974630021143) internal successors, (4362), 2365 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) [2021-10-16 22:48:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 4362 transitions. [2021-10-16 22:48:50,936 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 4362 transitions. Word has length 239 [2021-10-16 22:48:50,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:50,936 INFO L470 AbstractCegarLoop]: Abstraction has 2366 states and 4362 transitions. [2021-10-16 22:48:50,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 4362 transitions. [2021-10-16 22:48:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:50,938 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:50,938 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:50,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-16 22:48:50,938 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1040453606, now seen corresponding path program 23 times [2021-10-16 22:48:50,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:50,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323058067] [2021-10-16 22:48:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:50,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:51,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:51,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323058067] [2021-10-16 22:48:51,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323058067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:51,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:51,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:48:51,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236409393] [2021-10-16 22:48:51,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:48:51,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:51,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:48:51,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:48:51,853 INFO L87 Difference]: Start difference. First operand 2366 states and 4362 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:54,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:54,839 INFO L93 Difference]: Finished difference Result 2484 states and 4539 transitions. [2021-10-16 22:48:54,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:48:54,839 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:54,842 INFO L225 Difference]: With dead ends: 2484 [2021-10-16 22:48:54,842 INFO L226 Difference]: Without dead ends: 2484 [2021-10-16 22:48:54,842 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1516.2ms TimeCoverageRelationStatistics Valid=606, Invalid=3816, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:48:54,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-10-16 22:48:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2360. [2021-10-16 22:48:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2359 states have (on average 1.844001695633743) internal successors, (4350), 2359 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4350 transitions. [2021-10-16 22:48:54,861 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4350 transitions. Word has length 239 [2021-10-16 22:48:54,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:54,861 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4350 transitions. [2021-10-16 22:48:54,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4350 transitions. [2021-10-16 22:48:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:54,863 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:54,863 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:54,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-16 22:48:54,863 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:54,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:54,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1928635890, now seen corresponding path program 24 times [2021-10-16 22:48:54,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:54,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032426033] [2021-10-16 22:48:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:54,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:55,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:55,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032426033] [2021-10-16 22:48:55,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032426033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:55,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:55,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:48:55,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444491101] [2021-10-16 22:48:55,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:48:55,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:55,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:48:55,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:48:55,973 INFO L87 Difference]: Start difference. First operand 2360 states and 4350 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:59,178 INFO L93 Difference]: Finished difference Result 2477 states and 4530 transitions. [2021-10-16 22:48:59,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:48:59,178 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:48:59,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:59,181 INFO L225 Difference]: With dead ends: 2477 [2021-10-16 22:48:59,181 INFO L226 Difference]: Without dead ends: 2477 [2021-10-16 22:48:59,181 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 2307.6ms TimeCoverageRelationStatistics Valid=596, Invalid=3826, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:48:59,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2021-10-16 22:48:59,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2372. [2021-10-16 22:48:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 2371 states have (on average 1.8447912273302405) internal successors, (4374), 2371 states have internal predecessors, (4374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 4374 transitions. [2021-10-16 22:48:59,201 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 4374 transitions. Word has length 239 [2021-10-16 22:48:59,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:59,201 INFO L470 AbstractCegarLoop]: Abstraction has 2372 states and 4374 transitions. [2021-10-16 22:48:59,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 4374 transitions. [2021-10-16 22:48:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:48:59,203 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:59,203 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:59,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-16 22:48:59,203 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:48:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash -254020776, now seen corresponding path program 25 times [2021-10-16 22:48:59,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:59,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022694557] [2021-10-16 22:48:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:59,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:00,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:00,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022694557] [2021-10-16 22:49:00,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022694557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:00,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:00,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:49:00,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846513780] [2021-10-16 22:49:00,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:49:00,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:00,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:49:00,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:49:00,120 INFO L87 Difference]: Start difference. First operand 2372 states and 4374 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:02,927 INFO L93 Difference]: Finished difference Result 2517 states and 4590 transitions. [2021-10-16 22:49:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:49:02,928 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:02,930 INFO L225 Difference]: With dead ends: 2517 [2021-10-16 22:49:02,930 INFO L226 Difference]: Without dead ends: 2517 [2021-10-16 22:49:02,931 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 1717.2ms TimeCoverageRelationStatistics Valid=614, Invalid=3942, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:49:02,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2021-10-16 22:49:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2366. [2021-10-16 22:49:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 2365 states have (on average 1.8443974630021143) internal successors, (4362), 2365 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) [2021-10-16 22:49:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 4362 transitions. [2021-10-16 22:49:02,959 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 4362 transitions. Word has length 239 [2021-10-16 22:49:02,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:02,959 INFO L470 AbstractCegarLoop]: Abstraction has 2366 states and 4362 transitions. [2021-10-16 22:49:02,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 4362 transitions. [2021-10-16 22:49:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:49:02,961 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:02,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:02,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-16 22:49:02,962 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:02,962 INFO L82 PathProgramCache]: Analyzing trace with hash -194580466, now seen corresponding path program 26 times [2021-10-16 22:49:02,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:02,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288345490] [2021-10-16 22:49:02,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:02,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:03,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:03,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288345490] [2021-10-16 22:49:03,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288345490] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:03,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:03,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-10-16 22:49:03,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52414144] [2021-10-16 22:49:03,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-16 22:49:03,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:03,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-16 22:49:03,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=903, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:49:03,894 INFO L87 Difference]: Start difference. First operand 2366 states and 4362 transitions. Second operand has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:06,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:06,607 INFO L93 Difference]: Finished difference Result 2530 states and 4631 transitions. [2021-10-16 22:49:06,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:49:06,607 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:06,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:06,609 INFO L225 Difference]: With dead ends: 2530 [2021-10-16 22:49:06,609 INFO L226 Difference]: Without dead ends: 2530 [2021-10-16 22:49:06,610 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 1529.1ms TimeCoverageRelationStatistics Valid=557, Invalid=3733, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:49:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2021-10-16 22:49:06,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2360. [2021-10-16 22:49:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2359 states have (on average 1.844001695633743) internal successors, (4350), 2359 states have internal predecessors, (4350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 4350 transitions. [2021-10-16 22:49:06,627 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 4350 transitions. Word has length 239 [2021-10-16 22:49:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:06,627 INFO L470 AbstractCegarLoop]: Abstraction has 2360 states and 4350 transitions. [2021-10-16 22:49:06,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4350 transitions. [2021-10-16 22:49:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:49:06,629 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:06,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:06,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-16 22:49:06,629 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:06,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:06,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1458050822, now seen corresponding path program 27 times [2021-10-16 22:49:06,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:06,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625110670] [2021-10-16 22:49:06,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:06,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:07,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:07,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625110670] [2021-10-16 22:49:07,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625110670] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:07,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:07,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-10-16 22:49:07,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262939699] [2021-10-16 22:49:07,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-16 22:49:07,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:07,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-16 22:49:07,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=842, Unknown=0, NotChecked=0, Total=930 [2021-10-16 22:49:07,744 INFO L87 Difference]: Start difference. First operand 2360 states and 4350 transitions. Second operand has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:10,623 INFO L93 Difference]: Finished difference Result 2461 states and 4506 transitions. [2021-10-16 22:49:10,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:49:10,624 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:10,626 INFO L225 Difference]: With dead ends: 2461 [2021-10-16 22:49:10,626 INFO L226 Difference]: Without dead ends: 2461 [2021-10-16 22:49:10,626 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 2299.0ms TimeCoverageRelationStatistics Valid=593, Invalid=3829, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:49:10,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2021-10-16 22:49:10,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2354. [2021-10-16 22:49:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 2353 states have (on average 1.8461538461538463) internal successors, (4344), 2353 states have internal predecessors, (4344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 4344 transitions. [2021-10-16 22:49:10,643 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 4344 transitions. Word has length 239 [2021-10-16 22:49:10,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:10,643 INFO L470 AbstractCegarLoop]: Abstraction has 2354 states and 4344 transitions. [2021-10-16 22:49:10,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 7.966666666666667) internal successors, (239), 31 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 4344 transitions. [2021-10-16 22:49:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:49:10,645 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:10,646 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:10,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-16 22:49:10,646 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:10,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:10,646 INFO L82 PathProgramCache]: Analyzing trace with hash 216564292, now seen corresponding path program 28 times [2021-10-16 22:49:10,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:10,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968909165] [2021-10-16 22:49:10,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:10,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:11,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:11,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968909165] [2021-10-16 22:49:11,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968909165] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:11,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:11,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:49:11,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137966823] [2021-10-16 22:49:11,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:49:11,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:49:11,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=789, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:49:11,589 INFO L87 Difference]: Start difference. First operand 2354 states and 4344 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:14,203 INFO L93 Difference]: Finished difference Result 2501 states and 4566 transitions. [2021-10-16 22:49:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:49:14,203 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:14,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:14,205 INFO L225 Difference]: With dead ends: 2501 [2021-10-16 22:49:14,205 INFO L226 Difference]: Without dead ends: 2501 [2021-10-16 22:49:14,206 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 1746.8ms TimeCoverageRelationStatistics Valid=608, Invalid=3948, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:49:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-10-16 22:49:14,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2348. [2021-10-16 22:49:14,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2348 states, 2347 states have (on average 1.8457605453770771) internal successors, (4332), 2347 states have internal predecessors, (4332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 4332 transitions. [2021-10-16 22:49:14,223 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 4332 transitions. Word has length 239 [2021-10-16 22:49:14,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:14,223 INFO L470 AbstractCegarLoop]: Abstraction has 2348 states and 4332 transitions. [2021-10-16 22:49:14,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 4332 transitions. [2021-10-16 22:49:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:49:14,225 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:14,225 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:14,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-16 22:49:14,226 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:14,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:14,226 INFO L82 PathProgramCache]: Analyzing trace with hash 276004602, now seen corresponding path program 29 times [2021-10-16 22:49:14,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:14,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375549107] [2021-10-16 22:49:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:14,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:15,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:15,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375549107] [2021-10-16 22:49:15,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375549107] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:15,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:15,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-10-16 22:49:15,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258123119] [2021-10-16 22:49:15,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-16 22:49:15,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:15,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-16 22:49:15,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2021-10-16 22:49:15,163 INFO L87 Difference]: Start difference. First operand 2348 states and 4332 transitions. Second operand has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:17,660 INFO L93 Difference]: Finished difference Result 2536 states and 4641 transitions. [2021-10-16 22:49:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:49:17,661 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:17,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:17,663 INFO L225 Difference]: With dead ends: 2536 [2021-10-16 22:49:17,663 INFO L226 Difference]: Without dead ends: 2536 [2021-10-16 22:49:17,664 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1647.1ms TimeCoverageRelationStatistics Valid=570, Invalid=3852, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:49:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-10-16 22:49:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2342. [2021-10-16 22:49:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 2341 states have (on average 1.845365228534814) internal successors, (4320), 2341 states have internal predecessors, (4320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 4320 transitions. [2021-10-16 22:49:17,682 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 4320 transitions. Word has length 239 [2021-10-16 22:49:17,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:17,682 INFO L470 AbstractCegarLoop]: Abstraction has 2342 states and 4320 transitions. [2021-10-16 22:49:17,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 7.709677419354839) internal successors, (239), 32 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 4320 transitions. [2021-10-16 22:49:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-10-16 22:49:17,684 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:17,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:17,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-16 22:49:17,684 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:17,684 INFO L82 PathProgramCache]: Analyzing trace with hash 973947972, now seen corresponding path program 30 times [2021-10-16 22:49:17,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:17,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911143431] [2021-10-16 22:49:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:17,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:18,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:18,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911143431] [2021-10-16 22:49:18,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911143431] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:18,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:18,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-10-16 22:49:18,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706856359] [2021-10-16 22:49:18,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-16 22:49:18,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:18,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-16 22:49:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:49:18,758 INFO L87 Difference]: Start difference. First operand 2342 states and 4320 transitions. Second operand has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:21,952 INFO L93 Difference]: Finished difference Result 2459 states and 4515 transitions. [2021-10-16 22:49:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-16 22:49:21,953 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-10-16 22:49:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:21,955 INFO L225 Difference]: With dead ends: 2459 [2021-10-16 22:49:21,955 INFO L226 Difference]: Without dead ends: 2459 [2021-10-16 22:49:21,955 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 996 ImplicationChecksByTransitivity, 2276.9ms TimeCoverageRelationStatistics Valid=516, Invalid=3516, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:49:21,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2021-10-16 22:49:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2243. [2021-10-16 22:49:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 2242 states have (on average 1.847457627118644) internal successors, (4142), 2242 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) [2021-10-16 22:49:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 4142 transitions. [2021-10-16 22:49:21,972 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 4142 transitions. Word has length 239 [2021-10-16 22:49:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:21,972 INFO L470 AbstractCegarLoop]: Abstraction has 2243 states and 4142 transitions. [2021-10-16 22:49:21,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.241379310344827) internal successors, (239), 30 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 4142 transitions. [2021-10-16 22:49:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-10-16 22:49:21,975 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:21,975 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:21,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-16 22:49:21,975 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2021-10-16 22:49:21,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:21,975 INFO L82 PathProgramCache]: Analyzing trace with hash 404237556, now seen corresponding path program 1 times [2021-10-16 22:49:21,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:21,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246844046] [2021-10-16 22:49:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:21,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:22,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:22,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246844046] [2021-10-16 22:49:22,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246844046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:22,037 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:22,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-16 22:49:22,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109098397] [2021-10-16 22:49:22,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:49:22,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:22,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:49:22,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:49:22,038 INFO L87 Difference]: Start difference. First operand 2243 states and 4142 transitions. Second operand has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:22,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:22,093 INFO L93 Difference]: Finished difference Result 1668 states and 3016 transitions. [2021-10-16 22:49:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 22:49:22,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2021-10-16 22:49:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:22,094 INFO L225 Difference]: With dead ends: 1668 [2021-10-16 22:49:22,094 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:49:22,094 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 15.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-16 22:49:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:49:22,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:49:22,094 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) [2021-10-16 22:49:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:49:22,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2021-10-16 22:49:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:22,094 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:49:22,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:49:22,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:49:22,096 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,097 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:49:22,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,098 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:49:22,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-16 22:49:22,102 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:49:22,102 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:49:22,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:49:22 BasicIcfg [2021-10-16 22:49:22,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:49:22,104 INFO L168 Benchmark]: Toolchain (without parser) took 152129.89 ms. Allocated memory was 203.4 MB in the beginning and 420.5 MB in the end (delta: 217.1 MB). Free memory was 150.6 MB in the beginning and 138.2 MB in the end (delta: 12.4 MB). Peak memory consumption was 230.3 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory is still 169.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.30 ms. Allocated memory is still 203.4 MB. Free memory was 150.3 MB in the beginning and 152.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.24 ms. Allocated memory is still 203.4 MB. Free memory was 152.1 MB in the beginning and 148.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: Boogie Preprocessor took 33.64 ms. Allocated memory is still 203.4 MB. Free memory was 148.6 MB in the beginning and 145.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: RCFGBuilder took 683.63 ms. Allocated memory is still 203.4 MB. Free memory was 145.4 MB in the beginning and 120.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,105 INFO L168 Benchmark]: TraceAbstraction took 150810.49 ms. Allocated memory was 203.4 MB in the beginning and 420.5 MB in the end (delta: 217.1 MB). Free memory was 119.7 MB in the beginning and 138.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 199.6 MB. Max. memory is 8.0 GB. [2021-10-16 22:49:22,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory is still 169.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 529.30 ms. Allocated memory is still 203.4 MB. Free memory was 150.3 MB in the beginning and 152.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.24 ms. Allocated memory is still 203.4 MB. Free memory was 152.1 MB in the beginning and 148.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.64 ms. Allocated memory is still 203.4 MB. Free memory was 148.6 MB in the beginning and 145.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 683.63 ms. Allocated memory is still 203.4 MB. Free memory was 145.4 MB in the beginning and 120.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 150810.49 ms. Allocated memory was 203.4 MB in the beginning and 420.5 MB in the end (delta: 217.1 MB). Free memory was 119.7 MB in the beginning and 138.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 199.6 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: 1239]: 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: 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: 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: 1246]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 371 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 150677.5ms, OverallIterations: 54, TraceHistogramMax: 1, EmptinessCheckTime: 178.5ms, AutomataDifference: 108407.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 90.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 16260 SDtfs, 72367 SDslu, 194866 SDs, 0 SdLazy, 141067 SolverSat, 6242 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48920.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3201 GetRequests, 173 SyntacticMatches, 210 SemanticMatches, 2818 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45334 ImplicationChecksByTransitivity, 65395.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3645occurred in iteration=7, InterpolantAutomatonStates: 1943, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1698.8ms AutomataMinimizationTime, 54 MinimizatonAttempts, 11162 StatesRemovedByMinimization, 46 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 207.0ms SsaConstructionTime, 1945.7ms SatisfiabilityAnalysisTime, 37600.2ms InterpolantComputationTime, 11745 NumberOfCodeBlocks, 11745 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 11691 ConstructedInterpolants, 0 QuantifiedInterpolants, 303287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 54 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:49:22,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...