/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-eaa536417960c97dc4122e532ee2691877b99d76-eaa5364 [2021-10-16 22:46:47,440 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-10-16 22:46:47,511 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 22:46:47,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 22:46:47,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 22:46:47,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-16 22:46:47,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-16 22:46:47,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 22:46:47,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 22:46:47,531 INFO L138 SettingsManager]: * Use SBE=true [2021-10-16 22:46:47,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 22:46:47,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 22:46:47,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 22:46:47,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 22:46:47,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 22:46:47,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 22:46:47,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 22:46:47,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 22:46:47,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 22:46:47,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-16 22:46:47,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 22:46:47,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:47,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 22:46:47,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 22:46:47,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 22:46:47,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-16 22:46:47,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 22:46:47,538 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-16 22:46:47,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 22:46:47,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2021-10-16 22:46:47,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 22:46:47,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 22:46:47,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 22:46:47,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 22:46:47,768 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 22:46:47,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-16 22:46:47,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0458ea72/f35b288ec7f44c1d89ee561fddcc42ed/FLAGd8c3b7704 [2021-10-16 22:46:48,276 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 22:46:48,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_02-list_nr.i [2021-10-16 22:46:48,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0458ea72/f35b288ec7f44c1d89ee561fddcc42ed/FLAGd8c3b7704 [2021-10-16 22:46:48,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0458ea72/f35b288ec7f44c1d89ee561fddcc42ed [2021-10-16 22:46:48,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 22:46:48,625 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-16 22:46:48,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:48,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 22:46:48,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 22:46:48,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:48" (1/1) ... [2021-10-16 22:46:48,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d2b9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:48, skipping insertion in model container [2021-10-16 22:46:48,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:46:48" (1/1) ... [2021-10-16 22:46:48,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 22:46:48,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 22:46:49,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:49,161 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 22:46:49,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 22:46:49,283 INFO L208 MainTranslator]: Completed translation [2021-10-16 22:46:49,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49 WrapperNode [2021-10-16 22:46:49,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 22:46:49,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:49,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 22:46:49,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 22:46:49,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 22:46:49,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 22:46:49,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 22:46:49,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 22:46:49,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 22:46:49,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 22:46:49,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 22:46:49,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 22:46:49,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (1/1) ... [2021-10-16 22:46:49,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 22:46:49,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-16 22:46:49,449 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 22:46:49,458 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 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 22:46:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 22:46:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-16 22:46:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-16 22:46:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 22:46:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 22:46:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 22:46:49,481 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 22:46:49,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 22:46:49,909 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-16 22:46:49,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:49 BoogieIcfgContainer [2021-10-16 22:46:49,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 22:46:49,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 22:46:49,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 22:46:49,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 22:46:49,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:46:48" (1/3) ... [2021-10-16 22:46:49,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e67e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:49, skipping insertion in model container [2021-10-16 22:46:49,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:46:49" (2/3) ... [2021-10-16 22:46:49,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e67e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:46:49, skipping insertion in model container [2021-10-16 22:46:49,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:46:49" (3/3) ... [2021-10-16 22:46:49,919 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2021-10-16 22:46:49,923 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 22:46:49,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 22:46:49,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-10-16 22:46:49,923 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,958 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,960 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,961 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,963 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,964 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,975 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,980 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,981 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,982 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:49,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem35.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,013 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~p.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~t~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_init_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 22:46:50,020 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-16 22:46:50,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 22:46:50,062 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 22:46:50,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2021-10-16 22:46:50,074 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 202 places, 198 transitions, 401 flow [2021-10-16 22:46:50,139 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2053 states, 2043 states have (on average 1.9148311306901615) internal successors, (3912), 2052 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 2053 states, 2043 states have (on average 1.9148311306901615) internal successors, (3912), 2052 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-16 22:46:50,152 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:50,152 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:50,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1103278812, now seen corresponding path program 1 times [2021-10-16 22:46:50,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:50,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663065575] [2021-10-16 22:46:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:50,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:50,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:50,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663065575] [2021-10-16 22:46:50,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663065575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:50,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:50,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:50,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858673126] [2021-10-16 22:46:50,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:50,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:50,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:50,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:50,506 INFO L87 Difference]: Start difference. First operand has 2053 states, 2043 states have (on average 1.9148311306901615) internal successors, (3912), 2052 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:50,730 INFO L93 Difference]: Finished difference Result 2051 states and 3910 transitions. [2021-10-16 22:46:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:50,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-10-16 22:46:50,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:50,757 INFO L225 Difference]: With dead ends: 2051 [2021-10-16 22:46:50,757 INFO L226 Difference]: Without dead ends: 2051 [2021-10-16 22:46:50,758 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 47.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:50,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2021-10-16 22:46:50,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 2051. [2021-10-16 22:46:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 2043 states have (on average 1.9138521781693587) internal successors, (3910), 2050 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3910 transitions. [2021-10-16 22:46:50,875 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3910 transitions. Word has length 41 [2021-10-16 22:46:50,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:50,875 INFO L470 AbstractCegarLoop]: Abstraction has 2051 states and 3910 transitions. [2021-10-16 22:46:50,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3910 transitions. [2021-10-16 22:46:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-16 22:46:50,876 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:50,877 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:50,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 22:46:50,878 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:50,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:50,880 INFO L82 PathProgramCache]: Analyzing trace with hash 349156328, now seen corresponding path program 1 times [2021-10-16 22:46:50,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:50,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770347466] [2021-10-16 22:46:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:50,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770347466] [2021-10-16 22:46:51,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770347466] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:51,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356981171] [2021-10-16 22:46:51,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:51,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:51,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,077 INFO L87 Difference]: Start difference. First operand 2051 states and 3910 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:51,191 INFO L93 Difference]: Finished difference Result 2049 states and 3908 transitions. [2021-10-16 22:46:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:51,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-16 22:46:51,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:51,201 INFO L225 Difference]: With dead ends: 2049 [2021-10-16 22:46:51,201 INFO L226 Difference]: Without dead ends: 2049 [2021-10-16 22:46:51,202 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2049 states. [2021-10-16 22:46:51,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2049 to 2049. [2021-10-16 22:46:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 2043 states have (on average 1.912873225648556) internal successors, (3908), 2048 states have internal predecessors, (3908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 3908 transitions. [2021-10-16 22:46:51,277 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 3908 transitions. Word has length 49 [2021-10-16 22:46:51,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:51,278 INFO L470 AbstractCegarLoop]: Abstraction has 2049 states and 3908 transitions. [2021-10-16 22:46:51,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 3908 transitions. [2021-10-16 22:46:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-16 22:46:51,279 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,279 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:51,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 22:46:51,280 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:51,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1335544189, now seen corresponding path program 1 times [2021-10-16 22:46:51,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002703794] [2021-10-16 22:46:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002703794] [2021-10-16 22:46:51,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002703794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 22:46:51,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714088037] [2021-10-16 22:46:51,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:46:51,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:46:51,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:51,332 INFO L87 Difference]: Start difference. First operand 2049 states and 3908 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:51,351 INFO L93 Difference]: Finished difference Result 2048 states and 3907 transitions. [2021-10-16 22:46:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:46:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-16 22:46:51,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:51,361 INFO L225 Difference]: With dead ends: 2048 [2021-10-16 22:46:51,361 INFO L226 Difference]: Without dead ends: 2048 [2021-10-16 22:46:51,361 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:46:51,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2021-10-16 22:46:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2048. [2021-10-16 22:46:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2048 states, 2043 states have (on average 1.9123837493881546) internal successors, (3907), 2047 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 2048 states and 3907 transitions. [2021-10-16 22:46:51,410 INFO L78 Accepts]: Start accepts. Automaton has 2048 states and 3907 transitions. Word has length 55 [2021-10-16 22:46:51,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:51,411 INFO L470 AbstractCegarLoop]: Abstraction has 2048 states and 3907 transitions. [2021-10-16 22:46:51,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 3907 transitions. [2021-10-16 22:46:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-16 22:46:51,413 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,413 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:51,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-16 22:46:51,414 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:51,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1621463653, now seen corresponding path program 1 times [2021-10-16 22:46:51,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509697323] [2021-10-16 22:46:51,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509697323] [2021-10-16 22:46:51,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509697323] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:51,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680543135] [2021-10-16 22:46:51,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:51,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:51,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,591 INFO L87 Difference]: Start difference. First operand 2048 states and 3907 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:51,746 INFO L93 Difference]: Finished difference Result 2047 states and 3906 transitions. [2021-10-16 22:46:51,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:51,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-10-16 22:46:51,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:51,756 INFO L225 Difference]: With dead ends: 2047 [2021-10-16 22:46:51,756 INFO L226 Difference]: Without dead ends: 2047 [2021-10-16 22:46:51,756 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.5ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2021-10-16 22:46:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2047. [2021-10-16 22:46:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 2043 states have (on average 1.9118942731277533) internal successors, (3906), 2046 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 3906 transitions. [2021-10-16 22:46:51,808 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 3906 transitions. Word has length 89 [2021-10-16 22:46:51,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:51,808 INFO L470 AbstractCegarLoop]: Abstraction has 2047 states and 3906 transitions. [2021-10-16 22:46:51,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 3906 transitions. [2021-10-16 22:46:51,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-16 22:46:51,811 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:51,811 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:51,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-16 22:46:51,812 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:51,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1946107425, now seen corresponding path program 1 times [2021-10-16 22:46:51,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:51,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568459414] [2021-10-16 22:46:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:51,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:51,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:51,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568459414] [2021-10-16 22:46:51,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568459414] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:51,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:51,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:51,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508142445] [2021-10-16 22:46:51,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:51,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:51,933 INFO L87 Difference]: Start difference. First operand 2047 states and 3906 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,146 INFO L93 Difference]: Finished difference Result 2153 states and 4113 transitions. [2021-10-16 22:46:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:52,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2021-10-16 22:46:52,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,157 INFO L225 Difference]: With dead ends: 2153 [2021-10-16 22:46:52,157 INFO L226 Difference]: Without dead ends: 2153 [2021-10-16 22:46:52,158 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2021-10-16 22:46:52,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2130. [2021-10-16 22:46:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2126 states have (on average 1.9134524929444967) internal successors, (4068), 2129 states have internal predecessors, (4068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 4068 transitions. [2021-10-16 22:46:52,219 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 4068 transitions. Word has length 111 [2021-10-16 22:46:52,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,221 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 4068 transitions. [2021-10-16 22:46:52,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 4068 transitions. [2021-10-16 22:46:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-10-16 22:46:52,228 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,228 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-16 22:46:52,228 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:52,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,229 INFO L82 PathProgramCache]: Analyzing trace with hash 587654182, now seen corresponding path program 1 times [2021-10-16 22:46:52,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693668664] [2021-10-16 22:46:52,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693668664] [2021-10-16 22:46:52,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693668664] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:46:52,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118727031] [2021-10-16 22:46:52,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:46:52,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:46:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,396 INFO L87 Difference]: Start difference. First operand 2130 states and 4068 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:52,621 INFO L93 Difference]: Finished difference Result 2236 states and 4275 transitions. [2021-10-16 22:46:52,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:46:52,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-10-16 22:46:52,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:52,631 INFO L225 Difference]: With dead ends: 2236 [2021-10-16 22:46:52,631 INFO L226 Difference]: Without dead ends: 2236 [2021-10-16 22:46:52,632 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:46:52,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2021-10-16 22:46:52,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 2213. [2021-10-16 22:46:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2209 states have (on average 1.9148936170212767) internal successors, (4230), 2212 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 4230 transitions. [2021-10-16 22:46:52,682 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 4230 transitions. Word has length 119 [2021-10-16 22:46:52,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:52,683 INFO L470 AbstractCegarLoop]: Abstraction has 2213 states and 4230 transitions. [2021-10-16 22:46:52,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4230 transitions. [2021-10-16 22:46:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-10-16 22:46:52,684 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:52,685 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:52,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-16 22:46:52,685 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:52,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:52,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1134036777, now seen corresponding path program 1 times [2021-10-16 22:46:52,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:52,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105456635] [2021-10-16 22:46:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:52,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:52,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:52,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105456635] [2021-10-16 22:46:52,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105456635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:52,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:52,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:52,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582607061] [2021-10-16 22:46:52,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:52,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:52,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:52,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:52,931 INFO L87 Difference]: Start difference. First operand 2213 states and 4230 transitions. Second operand has 13 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:53,850 INFO L93 Difference]: Finished difference Result 2442 states and 4626 transitions. [2021-10-16 22:46:53,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:53,851 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2021-10-16 22:46:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:53,862 INFO L225 Difference]: With dead ends: 2442 [2021-10-16 22:46:53,862 INFO L226 Difference]: Without dead ends: 2442 [2021-10-16 22:46:53,863 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 316.7ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:46:53,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2021-10-16 22:46:53,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2158. [2021-10-16 22:46:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2158 states, 2154 states have (on average 1.9127205199628599) internal successors, (4120), 2157 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 4120 transitions. [2021-10-16 22:46:53,929 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 4120 transitions. Word has length 120 [2021-10-16 22:46:53,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:53,930 INFO L470 AbstractCegarLoop]: Abstraction has 2158 states and 4120 transitions. [2021-10-16 22:46:53,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.0) internal successors, (120), 13 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 4120 transitions. [2021-10-16 22:46:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-16 22:46:53,932 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:53,933 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:53,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-16 22:46:53,933 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:53,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:53,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1033048018, now seen corresponding path program 1 times [2021-10-16 22:46:53,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:53,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168036097] [2021-10-16 22:46:53,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:53,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:54,161 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 22:46:54,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:54,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168036097] [2021-10-16 22:46:54,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168036097] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:54,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:54,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-10-16 22:46:54,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411334155] [2021-10-16 22:46:54,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-16 22:46:54,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:54,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-16 22:46:54,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-10-16 22:46:54,165 INFO L87 Difference]: Start difference. First operand 2158 states and 4120 transitions. Second operand has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:55,008 INFO L93 Difference]: Finished difference Result 2387 states and 4516 transitions. [2021-10-16 22:46:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-16 22:46:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-10-16 22:46:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:55,018 INFO L225 Difference]: With dead ends: 2387 [2021-10-16 22:46:55,018 INFO L226 Difference]: Without dead ends: 2387 [2021-10-16 22:46:55,019 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 281.1ms TimeCoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2021-10-16 22:46:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2021-10-16 22:46:55,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2103. [2021-10-16 22:46:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2099 states have (on average 1.910433539780848) internal successors, (4010), 2102 states have internal predecessors, (4010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 4010 transitions. [2021-10-16 22:46:55,056 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 4010 transitions. Word has length 128 [2021-10-16 22:46:55,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:55,056 INFO L470 AbstractCegarLoop]: Abstraction has 2103 states and 4010 transitions. [2021-10-16 22:46:55,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 4010 transitions. [2021-10-16 22:46:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:46:55,059 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:55,059 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:55,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-16 22:46:55,059 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:55,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:55,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1105036947, now seen corresponding path program 1 times [2021-10-16 22:46:55,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:55,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713675797] [2021-10-16 22:46:55,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:55,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:55,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:55,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713675797] [2021-10-16 22:46:55,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713675797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:55,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:55,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:46:55,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707848046] [2021-10-16 22:46:55,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:46:55,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:55,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:46:55,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:55,686 INFO L87 Difference]: Start difference. First operand 2103 states and 4010 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:57,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:46:57,972 INFO L93 Difference]: Finished difference Result 2325 states and 4411 transitions. [2021-10-16 22:46:57,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-16 22:46:57,972 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:46:57,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:46:57,983 INFO L225 Difference]: With dead ends: 2325 [2021-10-16 22:46:57,983 INFO L226 Difference]: Without dead ends: 2325 [2021-10-16 22:46:57,984 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 1535.0ms TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:46:57,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2325 states. [2021-10-16 22:46:58,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2325 to 2119. [2021-10-16 22:46:58,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 2115 states have (on average 1.9111111111111112) internal successors, (4042), 2118 states have internal predecessors, (4042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 4042 transitions. [2021-10-16 22:46:58,031 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 4042 transitions. Word has length 131 [2021-10-16 22:46:58,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:46:58,031 INFO L470 AbstractCegarLoop]: Abstraction has 2119 states and 4042 transitions. [2021-10-16 22:46:58,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:46:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 4042 transitions. [2021-10-16 22:46:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:46:58,034 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:46:58,034 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:46:58,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-16 22:46:58,034 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:46:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:46:58,035 INFO L82 PathProgramCache]: Analyzing trace with hash -885656815, now seen corresponding path program 2 times [2021-10-16 22:46:58,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:46:58,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868278587] [2021-10-16 22:46:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:46:58,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:46:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:46:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:46:58,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:46:58,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868278587] [2021-10-16 22:46:58,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868278587] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:46:58,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:46:58,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:46:58,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520095762] [2021-10-16 22:46:58,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:46:58,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:46:58,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:46:58,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:46:58,683 INFO L87 Difference]: Start difference. First operand 2119 states and 4042 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:01,385 INFO L93 Difference]: Finished difference Result 2362 states and 4484 transitions. [2021-10-16 22:47:01,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:47:01,387 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:01,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:01,397 INFO L225 Difference]: With dead ends: 2362 [2021-10-16 22:47:01,398 INFO L226 Difference]: Without dead ends: 2362 [2021-10-16 22:47:01,399 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 1797.5ms TimeCoverageRelationStatistics Valid=971, Invalid=4579, Unknown=0, NotChecked=0, Total=5550 [2021-10-16 22:47:01,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-10-16 22:47:01,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2125. [2021-10-16 22:47:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 2121 states have (on average 1.9113625648279113) internal successors, (4054), 2124 states have internal predecessors, (4054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 4054 transitions. [2021-10-16 22:47:01,464 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 4054 transitions. Word has length 131 [2021-10-16 22:47:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:01,465 INFO L470 AbstractCegarLoop]: Abstraction has 2125 states and 4054 transitions. [2021-10-16 22:47:01,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 4054 transitions. [2021-10-16 22:47:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:01,468 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:01,468 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:01,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-16 22:47:01,468 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:01,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:01,469 INFO L82 PathProgramCache]: Analyzing trace with hash -429021591, now seen corresponding path program 3 times [2021-10-16 22:47:01,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:01,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379195906] [2021-10-16 22:47:01,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:01,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:02,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:02,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379195906] [2021-10-16 22:47:02,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379195906] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:02,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:02,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:02,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222973438] [2021-10-16 22:47:02,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:02,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:02,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:02,079 INFO L87 Difference]: Start difference. First operand 2125 states and 4054 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:04,394 INFO L93 Difference]: Finished difference Result 2369 states and 4497 transitions. [2021-10-16 22:47:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:47:04,395 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:04,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:04,401 INFO L225 Difference]: With dead ends: 2369 [2021-10-16 22:47:04,401 INFO L226 Difference]: Without dead ends: 2369 [2021-10-16 22:47:04,403 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1767 ImplicationChecksByTransitivity, 1440.5ms TimeCoverageRelationStatistics Valid=1030, Invalid=4822, Unknown=0, NotChecked=0, Total=5852 [2021-10-16 22:47:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2021-10-16 22:47:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2135. [2021-10-16 22:47:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2135 states, 2131 states have (on average 1.9117785077428437) internal successors, (4074), 2134 states have internal predecessors, (4074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 4074 transitions. [2021-10-16 22:47:04,446 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 4074 transitions. Word has length 131 [2021-10-16 22:47:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:04,447 INFO L470 AbstractCegarLoop]: Abstraction has 2135 states and 4074 transitions. [2021-10-16 22:47:04,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 4074 transitions. [2021-10-16 22:47:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:04,449 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:04,449 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:04,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-16 22:47:04,450 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:04,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1929055955, now seen corresponding path program 4 times [2021-10-16 22:47:04,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:04,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498789355] [2021-10-16 22:47:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:04,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:05,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:05,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498789355] [2021-10-16 22:47:05,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498789355] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:05,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:05,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:05,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753303170] [2021-10-16 22:47:05,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:05,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:05,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:05,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:05,070 INFO L87 Difference]: Start difference. First operand 2135 states and 4074 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:07,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:07,789 INFO L93 Difference]: Finished difference Result 2400 states and 4559 transitions. [2021-10-16 22:47:07,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:47:07,789 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:07,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:07,794 INFO L225 Difference]: With dead ends: 2400 [2021-10-16 22:47:07,795 INFO L226 Difference]: Without dead ends: 2400 [2021-10-16 22:47:07,796 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 1716.3ms TimeCoverageRelationStatistics Valid=902, Invalid=4354, Unknown=0, NotChecked=0, Total=5256 [2021-10-16 22:47:07,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2021-10-16 22:47:07,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2147. [2021-10-16 22:47:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 2143 states have (on average 1.9122725151656557) internal successors, (4098), 2146 states have internal predecessors, (4098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 4098 transitions. [2021-10-16 22:47:07,838 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 4098 transitions. Word has length 131 [2021-10-16 22:47:07,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:07,839 INFO L470 AbstractCegarLoop]: Abstraction has 2147 states and 4098 transitions. [2021-10-16 22:47:07,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 4098 transitions. [2021-10-16 22:47:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:07,841 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:07,841 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:07,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-16 22:47:07,842 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:07,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:07,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1909276117, now seen corresponding path program 5 times [2021-10-16 22:47:07,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:07,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267037694] [2021-10-16 22:47:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:07,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:08,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:08,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267037694] [2021-10-16 22:47:08,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267037694] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:08,458 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:08,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:08,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920098616] [2021-10-16 22:47:08,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:08,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:08,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:08,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:08,459 INFO L87 Difference]: Start difference. First operand 2147 states and 4098 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:11,644 INFO L93 Difference]: Finished difference Result 2408 states and 4574 transitions. [2021-10-16 22:47:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-10-16 22:47:11,645 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:11,648 INFO L225 Difference]: With dead ends: 2408 [2021-10-16 22:47:11,648 INFO L226 Difference]: Without dead ends: 2408 [2021-10-16 22:47:11,650 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2028 ImplicationChecksByTransitivity, 2087.2ms TimeCoverageRelationStatistics Valid=1159, Invalid=5321, Unknown=0, NotChecked=0, Total=6480 [2021-10-16 22:47:11,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2021-10-16 22:47:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 2141. [2021-10-16 22:47:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2141 states, 2137 states have (on average 1.9120262049602246) internal successors, (4086), 2140 states have internal predecessors, (4086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 2141 states and 4086 transitions. [2021-10-16 22:47:11,686 INFO L78 Accepts]: Start accepts. Automaton has 2141 states and 4086 transitions. Word has length 131 [2021-10-16 22:47:11,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:11,687 INFO L470 AbstractCegarLoop]: Abstraction has 2141 states and 4086 transitions. [2021-10-16 22:47:11,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 4086 transitions. [2021-10-16 22:47:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:11,689 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:11,689 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:11,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-16 22:47:11,690 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:11,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:11,690 INFO L82 PathProgramCache]: Analyzing trace with hash 49778437, now seen corresponding path program 6 times [2021-10-16 22:47:11,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:11,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583942013] [2021-10-16 22:47:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:11,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:12,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:12,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583942013] [2021-10-16 22:47:12,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583942013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:12,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:12,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:12,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69865427] [2021-10-16 22:47:12,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:12,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:12,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:12,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:12,161 INFO L87 Difference]: Start difference. First operand 2141 states and 4086 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:14,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:14,794 INFO L93 Difference]: Finished difference Result 2413 states and 4583 transitions. [2021-10-16 22:47:14,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-16 22:47:14,795 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:14,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:14,798 INFO L225 Difference]: With dead ends: 2413 [2021-10-16 22:47:14,798 INFO L226 Difference]: Without dead ends: 2413 [2021-10-16 22:47:14,801 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1669.1ms TimeCoverageRelationStatistics Valid=1124, Invalid=4728, Unknown=0, NotChecked=0, Total=5852 [2021-10-16 22:47:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2021-10-16 22:47:14,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2151. [2021-10-16 22:47:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 2147 states have (on average 1.9124359571495109) internal successors, (4106), 2150 states have internal predecessors, (4106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 4106 transitions. [2021-10-16 22:47:14,851 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 4106 transitions. Word has length 131 [2021-10-16 22:47:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:14,851 INFO L470 AbstractCegarLoop]: Abstraction has 2151 states and 4106 transitions. [2021-10-16 22:47:14,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 4106 transitions. [2021-10-16 22:47:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:14,854 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:14,854 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:14,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-16 22:47:14,854 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:14,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:14,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2143847121, now seen corresponding path program 7 times [2021-10-16 22:47:14,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:14,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199999124] [2021-10-16 22:47:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:14,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:15,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:15,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199999124] [2021-10-16 22:47:15,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199999124] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:15,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:15,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:15,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892699790] [2021-10-16 22:47:15,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:15,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:15,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:15,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:15,461 INFO L87 Difference]: Start difference. First operand 2151 states and 4106 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:17,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:17,878 INFO L93 Difference]: Finished difference Result 2433 states and 4624 transitions. [2021-10-16 22:47:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:47:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:17,882 INFO L225 Difference]: With dead ends: 2433 [2021-10-16 22:47:17,883 INFO L226 Difference]: Without dead ends: 2433 [2021-10-16 22:47:17,884 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1641.5ms TimeCoverageRelationStatistics Valid=836, Invalid=4134, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:47:17,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2021-10-16 22:47:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2169. [2021-10-16 22:47:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 2165 states have (on average 1.913163972286374) internal successors, (4142), 2168 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 22:47:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 4142 transitions. [2021-10-16 22:47:17,919 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 4142 transitions. Word has length 131 [2021-10-16 22:47:17,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:17,919 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 4142 transitions. [2021-10-16 22:47:17,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 4142 transitions. [2021-10-16 22:47:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:17,922 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:17,922 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:17,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-16 22:47:17,922 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:17,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1694484951, now seen corresponding path program 8 times [2021-10-16 22:47:17,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:17,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827758974] [2021-10-16 22:47:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:17,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:18,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:18,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827758974] [2021-10-16 22:47:18,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827758974] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:18,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:18,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:18,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688168706] [2021-10-16 22:47:18,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:18,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:18,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:18,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:18,484 INFO L87 Difference]: Start difference. First operand 2169 states and 4142 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:20,954 INFO L93 Difference]: Finished difference Result 2476 states and 4708 transitions. [2021-10-16 22:47:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:47:20,955 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:20,960 INFO L225 Difference]: With dead ends: 2476 [2021-10-16 22:47:20,960 INFO L226 Difference]: Without dead ends: 2476 [2021-10-16 22:47:20,961 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1724 ImplicationChecksByTransitivity, 1706.0ms TimeCoverageRelationStatistics Valid=974, Invalid=4726, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:47:20,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2021-10-16 22:47:20,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 2163. [2021-10-16 22:47:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2163 states, 2159 states have (on average 1.9129226493747105) internal successors, (4130), 2162 states have internal predecessors, (4130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 4130 transitions. [2021-10-16 22:47:20,996 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 4130 transitions. Word has length 131 [2021-10-16 22:47:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:20,996 INFO L470 AbstractCegarLoop]: Abstraction has 2163 states and 4130 transitions. [2021-10-16 22:47:20,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 4130 transitions. [2021-10-16 22:47:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:20,999 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:20,999 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:20,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-16 22:47:20,999 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:21,000 INFO L82 PathProgramCache]: Analyzing trace with hash 264569603, now seen corresponding path program 9 times [2021-10-16 22:47:21,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:21,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934808736] [2021-10-16 22:47:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:21,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:21,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:21,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934808736] [2021-10-16 22:47:21,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934808736] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:21,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:21,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:21,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960620646] [2021-10-16 22:47:21,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:21,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:21,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:21,422 INFO L87 Difference]: Start difference. First operand 2163 states and 4130 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:24,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:24,088 INFO L93 Difference]: Finished difference Result 2514 states and 4782 transitions. [2021-10-16 22:47:24,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:47:24,088 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:24,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:24,093 INFO L225 Difference]: With dead ends: 2514 [2021-10-16 22:47:24,093 INFO L226 Difference]: Without dead ends: 2514 [2021-10-16 22:47:24,094 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1675 ImplicationChecksByTransitivity, 1786.8ms TimeCoverageRelationStatistics Valid=1036, Invalid=4514, Unknown=0, NotChecked=0, Total=5550 [2021-10-16 22:47:24,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2021-10-16 22:47:24,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2157. [2021-10-16 22:47:24,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2153 states have (on average 1.9126799814212727) internal successors, (4118), 2156 states have internal predecessors, (4118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 4118 transitions. [2021-10-16 22:47:24,128 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 4118 transitions. Word has length 131 [2021-10-16 22:47:24,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:24,128 INFO L470 AbstractCegarLoop]: Abstraction has 2157 states and 4118 transitions. [2021-10-16 22:47:24,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 4118 transitions. [2021-10-16 22:47:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:24,130 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:24,130 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:24,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-16 22:47:24,131 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:24,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1879425461, now seen corresponding path program 10 times [2021-10-16 22:47:24,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:24,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882985347] [2021-10-16 22:47:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:24,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:24,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:24,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882985347] [2021-10-16 22:47:24,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882985347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:24,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:24,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:24,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560697391] [2021-10-16 22:47:24,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:24,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:24,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:24,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:24,555 INFO L87 Difference]: Start difference. First operand 2157 states and 4118 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:26,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:26,663 INFO L93 Difference]: Finished difference Result 2457 states and 4669 transitions. [2021-10-16 22:47:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:47:26,664 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:26,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:26,667 INFO L225 Difference]: With dead ends: 2457 [2021-10-16 22:47:26,667 INFO L226 Difference]: Without dead ends: 2457 [2021-10-16 22:47:26,668 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 1352.4ms TimeCoverageRelationStatistics Valid=925, Invalid=4187, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:47:26,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-10-16 22:47:26,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2167. [2021-10-16 22:47:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2163 states have (on average 1.9130836800739712) internal successors, (4138), 2166 states have internal predecessors, (4138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 4138 transitions. [2021-10-16 22:47:26,697 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 4138 transitions. Word has length 131 [2021-10-16 22:47:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:26,698 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 4138 transitions. [2021-10-16 22:47:26,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4138 transitions. [2021-10-16 22:47:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:26,700 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:26,700 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:26,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-16 22:47:26,701 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:26,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:26,701 INFO L82 PathProgramCache]: Analyzing trace with hash -828545261, now seen corresponding path program 11 times [2021-10-16 22:47:26,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:26,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065430644] [2021-10-16 22:47:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:26,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:27,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:27,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:27,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065430644] [2021-10-16 22:47:27,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065430644] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:27,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:27,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:27,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981124680] [2021-10-16 22:47:27,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:27,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:27,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:27,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:27,197 INFO L87 Difference]: Start difference. First operand 2167 states and 4138 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:29,161 INFO L93 Difference]: Finished difference Result 2790 states and 5333 transitions. [2021-10-16 22:47:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:47:29,162 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:29,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:29,166 INFO L225 Difference]: With dead ends: 2790 [2021-10-16 22:47:29,166 INFO L226 Difference]: Without dead ends: 2790 [2021-10-16 22:47:29,167 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 1202.8ms TimeCoverageRelationStatistics Valid=801, Invalid=4169, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:47:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2021-10-16 22:47:29,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2209. [2021-10-16 22:47:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 2205 states have (on average 1.9147392290249432) internal successors, (4222), 2208 states have internal predecessors, (4222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 4222 transitions. [2021-10-16 22:47:29,201 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 4222 transitions. Word has length 131 [2021-10-16 22:47:29,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:29,202 INFO L470 AbstractCegarLoop]: Abstraction has 2209 states and 4222 transitions. [2021-10-16 22:47:29,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 4222 transitions. [2021-10-16 22:47:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:29,204 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:29,205 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] [2021-10-16 22:47:29,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-16 22:47:29,205 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:29,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:29,205 INFO L82 PathProgramCache]: Analyzing trace with hash -371910037, now seen corresponding path program 12 times [2021-10-16 22:47:29,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:29,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254375812] [2021-10-16 22:47:29,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:29,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:29,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:29,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:29,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254375812] [2021-10-16 22:47:29,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254375812] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:29,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:29,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:29,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372736604] [2021-10-16 22:47:29,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:29,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:29,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:29,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:29,711 INFO L87 Difference]: Start difference. First operand 2209 states and 4222 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:31,828 INFO L93 Difference]: Finished difference Result 2833 states and 5417 transitions. [2021-10-16 22:47:31,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:47:31,830 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:31,833 INFO L225 Difference]: With dead ends: 2833 [2021-10-16 22:47:31,834 INFO L226 Difference]: Without dead ends: 2833 [2021-10-16 22:47:31,834 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1726 ImplicationChecksByTransitivity, 1318.6ms TimeCoverageRelationStatistics Valid=924, Invalid=4776, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:47:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2021-10-16 22:47:31,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2203. [2021-10-16 22:47:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2203 states, 2199 states have (on average 1.914506593906321) internal successors, (4210), 2202 states have internal predecessors, (4210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 2203 states and 4210 transitions. [2021-10-16 22:47:31,868 INFO L78 Accepts]: Start accepts. Automaton has 2203 states and 4210 transitions. Word has length 131 [2021-10-16 22:47:31,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:31,869 INFO L470 AbstractCegarLoop]: Abstraction has 2203 states and 4210 transitions. [2021-10-16 22:47:31,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 4210 transitions. [2021-10-16 22:47:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:31,871 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:31,871 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:31,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-16 22:47:31,872 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:31,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:31,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1587144517, now seen corresponding path program 13 times [2021-10-16 22:47:31,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:31,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887135505] [2021-10-16 22:47:31,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:31,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:32,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:32,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887135505] [2021-10-16 22:47:32,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887135505] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:32,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:32,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:32,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156523307] [2021-10-16 22:47:32,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:32,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:32,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:32,321 INFO L87 Difference]: Start difference. First operand 2203 states and 4210 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:34,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:34,630 INFO L93 Difference]: Finished difference Result 2871 states and 5491 transitions. [2021-10-16 22:47:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:47:34,630 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:34,633 INFO L225 Difference]: With dead ends: 2871 [2021-10-16 22:47:34,633 INFO L226 Difference]: Without dead ends: 2871 [2021-10-16 22:47:34,634 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1682 ImplicationChecksByTransitivity, 1367.7ms TimeCoverageRelationStatistics Valid=975, Invalid=4575, Unknown=0, NotChecked=0, Total=5550 [2021-10-16 22:47:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2021-10-16 22:47:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2197. [2021-10-16 22:47:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 2193 states have (on average 1.9142726858185135) internal successors, (4198), 2196 states have internal predecessors, (4198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 4198 transitions. [2021-10-16 22:47:34,665 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 4198 transitions. Word has length 131 [2021-10-16 22:47:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:34,665 INFO L470 AbstractCegarLoop]: Abstraction has 2197 states and 4198 transitions. [2021-10-16 22:47:34,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 4198 transitions. [2021-10-16 22:47:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:34,668 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:34,668 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:34,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-16 22:47:34,668 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:34,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:34,669 INFO L82 PathProgramCache]: Analyzing trace with hash -556850547, now seen corresponding path program 14 times [2021-10-16 22:47:34,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:34,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897492132] [2021-10-16 22:47:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:34,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:35,065 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 22:47:35,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:35,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897492132] [2021-10-16 22:47:35,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897492132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:35,067 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:35,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:35,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43040590] [2021-10-16 22:47:35,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:35,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:35,069 INFO L87 Difference]: Start difference. First operand 2197 states and 4198 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:37,173 INFO L93 Difference]: Finished difference Result 2899 states and 5545 transitions. [2021-10-16 22:47:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:47:37,174 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:37,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:37,177 INFO L225 Difference]: With dead ends: 2899 [2021-10-16 22:47:37,177 INFO L226 Difference]: Without dead ends: 2899 [2021-10-16 22:47:37,177 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1621 ImplicationChecksByTransitivity, 1231.8ms TimeCoverageRelationStatistics Valid=920, Invalid=4482, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:47:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2021-10-16 22:47:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2191. [2021-10-16 22:47:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2187 states have (on average 1.9140374942844078) internal successors, (4186), 2190 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 4186 transitions. [2021-10-16 22:47:37,207 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 4186 transitions. Word has length 131 [2021-10-16 22:47:37,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:37,207 INFO L470 AbstractCegarLoop]: Abstraction has 2191 states and 4186 transitions. [2021-10-16 22:47:37,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 4186 transitions. [2021-10-16 22:47:37,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:37,210 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:37,210 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:37,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-16 22:47:37,211 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:37,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1796309085, now seen corresponding path program 15 times [2021-10-16 22:47:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:37,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469058960] [2021-10-16 22:47:37,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:37,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:37,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:37,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469058960] [2021-10-16 22:47:37,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469058960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:37,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:37,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:37,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347003494] [2021-10-16 22:47:37,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:37,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:37,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:37,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:37,573 INFO L87 Difference]: Start difference. First operand 2191 states and 4186 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:39,554 INFO L93 Difference]: Finished difference Result 3734 states and 7142 transitions. [2021-10-16 22:47:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:47:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:39,558 INFO L225 Difference]: With dead ends: 3734 [2021-10-16 22:47:39,558 INFO L226 Difference]: Without dead ends: 3734 [2021-10-16 22:47:39,559 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 1165.6ms TimeCoverageRelationStatistics Valid=943, Invalid=4607, Unknown=0, NotChecked=0, Total=5550 [2021-10-16 22:47:39,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2021-10-16 22:47:39,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 2231. [2021-10-16 22:47:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2227 states have (on average 1.9155814997754828) internal successors, (4266), 2230 states have internal predecessors, (4266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 4266 transitions. [2021-10-16 22:47:39,593 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 4266 transitions. Word has length 131 [2021-10-16 22:47:39,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:39,593 INFO L470 AbstractCegarLoop]: Abstraction has 2231 states and 4266 transitions. [2021-10-16 22:47:39,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 4266 transitions. [2021-10-16 22:47:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:39,595 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:39,595 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:39,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-16 22:47:39,596 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:39,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1321240467, now seen corresponding path program 16 times [2021-10-16 22:47:39,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:39,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422902612] [2021-10-16 22:47:39,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:39,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:40,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:40,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422902612] [2021-10-16 22:47:40,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422902612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:40,080 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:40,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:40,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806788825] [2021-10-16 22:47:40,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:40,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:40,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:40,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:40,081 INFO L87 Difference]: Start difference. First operand 2231 states and 4266 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:42,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:42,225 INFO L93 Difference]: Finished difference Result 3827 states and 7388 transitions. [2021-10-16 22:47:42,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:47:42,226 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:42,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:42,231 INFO L225 Difference]: With dead ends: 3827 [2021-10-16 22:47:42,231 INFO L226 Difference]: Without dead ends: 3827 [2021-10-16 22:47:42,232 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1529 ImplicationChecksByTransitivity, 1202.4ms TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2021-10-16 22:47:42,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-10-16 22:47:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 2285. [2021-10-16 22:47:42,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2285 states, 2281 states have (on average 1.917580008768084) internal successors, (4374), 2284 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 22:47:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 4374 transitions. [2021-10-16 22:47:42,269 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 4374 transitions. Word has length 131 [2021-10-16 22:47:42,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:42,270 INFO L470 AbstractCegarLoop]: Abstraction has 2285 states and 4374 transitions. [2021-10-16 22:47:42,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 4374 transitions. [2021-10-16 22:47:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:42,272 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:42,272 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:42,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-16 22:47:42,272 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:42,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:42,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1777875691, now seen corresponding path program 17 times [2021-10-16 22:47:42,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:42,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144247795] [2021-10-16 22:47:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:42,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:42,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:42,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144247795] [2021-10-16 22:47:42,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144247795] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:42,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:42,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:42,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189840582] [2021-10-16 22:47:42,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:42,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:42,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:42,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:42,818 INFO L87 Difference]: Start difference. First operand 2285 states and 4374 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:44,982 INFO L93 Difference]: Finished difference Result 3870 states and 7472 transitions. [2021-10-16 22:47:44,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-16 22:47:44,987 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:44,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:44,992 INFO L225 Difference]: With dead ends: 3870 [2021-10-16 22:47:44,992 INFO L226 Difference]: Without dead ends: 3870 [2021-10-16 22:47:44,993 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 1342.9ms TimeCoverageRelationStatistics Valid=890, Invalid=5116, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:47:44,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3870 states. [2021-10-16 22:47:45,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3870 to 2279. [2021-10-16 22:47:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2279 states, 2275 states have (on average 1.9173626373626373) internal successors, (4362), 2278 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 22:47:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 4362 transitions. [2021-10-16 22:47:45,028 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 4362 transitions. Word has length 131 [2021-10-16 22:47:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:45,028 INFO L470 AbstractCegarLoop]: Abstraction has 2279 states and 4362 transitions. [2021-10-16 22:47:45,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 4362 transitions. [2021-10-16 22:47:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:45,031 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:45,031 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:45,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-16 22:47:45,031 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash -558037051, now seen corresponding path program 18 times [2021-10-16 22:47:45,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:45,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935877231] [2021-10-16 22:47:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:45,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:45,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:45,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935877231] [2021-10-16 22:47:45,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935877231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:45,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:45,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:45,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25134361] [2021-10-16 22:47:45,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:45,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:45,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:45,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:45,431 INFO L87 Difference]: Start difference. First operand 2279 states and 4362 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:47,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:47,847 INFO L93 Difference]: Finished difference Result 3908 states and 7546 transitions. [2021-10-16 22:47:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-16 22:47:47,847 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:47,852 INFO L225 Difference]: With dead ends: 3908 [2021-10-16 22:47:47,852 INFO L226 Difference]: Without dead ends: 3908 [2021-10-16 22:47:47,853 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1762 ImplicationChecksByTransitivity, 1315.2ms TimeCoverageRelationStatistics Valid=931, Invalid=4921, Unknown=0, NotChecked=0, Total=5852 [2021-10-16 22:47:47,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2021-10-16 22:47:47,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 2273. [2021-10-16 22:47:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2273 states, 2269 states have (on average 1.9171441163508154) internal successors, (4350), 2272 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 22:47:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 4350 transitions. [2021-10-16 22:47:47,881 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 4350 transitions. Word has length 131 [2021-10-16 22:47:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:47,881 INFO L470 AbstractCegarLoop]: Abstraction has 2273 states and 4350 transitions. [2021-10-16 22:47:47,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4350 transitions. [2021-10-16 22:47:47,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:47,883 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:47,883 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:47,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-16 22:47:47,883 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:47,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1592935181, now seen corresponding path program 19 times [2021-10-16 22:47:47,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:47,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807103821] [2021-10-16 22:47:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:47,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:48,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:48,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807103821] [2021-10-16 22:47:48,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807103821] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:48,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:48,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:47:48,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417101565] [2021-10-16 22:47:48,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:47:48,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:48,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:47:48,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:47:48,249 INFO L87 Difference]: Start difference. First operand 2273 states and 4350 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:50,435 INFO L93 Difference]: Finished difference Result 3936 states and 7600 transitions. [2021-10-16 22:47:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:47:50,435 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:50,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:50,439 INFO L225 Difference]: With dead ends: 3936 [2021-10-16 22:47:50,439 INFO L226 Difference]: Without dead ends: 3936 [2021-10-16 22:47:50,440 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1704 ImplicationChecksByTransitivity, 1206.9ms TimeCoverageRelationStatistics Valid=873, Invalid=4827, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:47:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3936 states. [2021-10-16 22:47:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3936 to 2267. [2021-10-16 22:47:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 2263 states have (on average 1.9169244365885991) internal successors, (4338), 2266 states have internal predecessors, (4338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 4338 transitions. [2021-10-16 22:47:50,484 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 4338 transitions. Word has length 131 [2021-10-16 22:47:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:50,484 INFO L470 AbstractCegarLoop]: Abstraction has 2267 states and 4338 transitions. [2021-10-16 22:47:50,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 4338 transitions. [2021-10-16 22:47:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:50,486 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:50,486 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:50,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-16 22:47:50,487 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:50,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:50,487 INFO L82 PathProgramCache]: Analyzing trace with hash 353476643, now seen corresponding path program 20 times [2021-10-16 22:47:50,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:50,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824057358] [2021-10-16 22:47:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:50,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:50,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:50,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824057358] [2021-10-16 22:47:50,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824057358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:50,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:50,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:47:50,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671395397] [2021-10-16 22:47:50,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:47:50,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:50,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:47:50,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:47:50,800 INFO L87 Difference]: Start difference. First operand 2267 states and 4338 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:52,762 INFO L93 Difference]: Finished difference Result 4284 states and 8263 transitions. [2021-10-16 22:47:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-16 22:47:52,762 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:52,766 INFO L225 Difference]: With dead ends: 4284 [2021-10-16 22:47:52,766 INFO L226 Difference]: Without dead ends: 4284 [2021-10-16 22:47:52,767 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1598 ImplicationChecksByTransitivity, 859.2ms TimeCoverageRelationStatistics Valid=633, Invalid=4769, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:47:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4284 states. [2021-10-16 22:47:52,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4284 to 2243. [2021-10-16 22:47:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 2239 states have (on average 1.9160339437248772) internal successors, (4290), 2242 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 4290 transitions. [2021-10-16 22:47:52,797 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 4290 transitions. Word has length 131 [2021-10-16 22:47:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:52,797 INFO L470 AbstractCegarLoop]: Abstraction has 2243 states and 4290 transitions. [2021-10-16 22:47:52,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 4290 transitions. [2021-10-16 22:47:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:52,799 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:52,799 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:52,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-16 22:47:52,799 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:52,800 INFO L82 PathProgramCache]: Analyzing trace with hash 870046687, now seen corresponding path program 21 times [2021-10-16 22:47:52,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:52,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199338176] [2021-10-16 22:47:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:52,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:53,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:53,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199338176] [2021-10-16 22:47:53,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199338176] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:53,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:53,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:47:53,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819321948] [2021-10-16 22:47:53,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:47:53,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:53,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:47:53,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:47:53,102 INFO L87 Difference]: Start difference. First operand 2243 states and 4290 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:55,098 INFO L93 Difference]: Finished difference Result 4739 states and 9110 transitions. [2021-10-16 22:47:55,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-16 22:47:55,098 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:55,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:55,103 INFO L225 Difference]: With dead ends: 4739 [2021-10-16 22:47:55,103 INFO L226 Difference]: Without dead ends: 4739 [2021-10-16 22:47:55,104 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1854 ImplicationChecksByTransitivity, 864.8ms TimeCoverageRelationStatistics Valid=691, Invalid=5315, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:47:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states. [2021-10-16 22:47:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 2263. [2021-10-16 22:47:55,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 2259 states have (on average 1.9167773351040283) internal successors, (4330), 2262 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 4330 transitions. [2021-10-16 22:47:55,143 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 4330 transitions. Word has length 131 [2021-10-16 22:47:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:55,144 INFO L470 AbstractCegarLoop]: Abstraction has 2263 states and 4330 transitions. [2021-10-16 22:47:55,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 4330 transitions. [2021-10-16 22:47:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:55,146 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:55,146 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:55,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-16 22:47:55,146 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:55,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:55,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1637265453, now seen corresponding path program 22 times [2021-10-16 22:47:55,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:55,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910124833] [2021-10-16 22:47:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:55,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:55,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:55,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910124833] [2021-10-16 22:47:55,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910124833] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:55,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:55,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:55,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632936100] [2021-10-16 22:47:55,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:55,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:55,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:55,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:55,655 INFO L87 Difference]: Start difference. First operand 2263 states and 4330 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:47:57,704 INFO L93 Difference]: Finished difference Result 3883 states and 7500 transitions. [2021-10-16 22:47:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:47:57,705 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:47:57,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:47:57,709 INFO L225 Difference]: With dead ends: 3883 [2021-10-16 22:47:57,709 INFO L226 Difference]: Without dead ends: 3883 [2021-10-16 22:47:57,710 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 1226.7ms TimeCoverageRelationStatistics Valid=772, Invalid=4484, Unknown=0, NotChecked=0, Total=5256 [2021-10-16 22:47:57,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2021-10-16 22:47:57,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 2335. [2021-10-16 22:47:57,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 2331 states have (on average 1.9193479193479193) internal successors, (4474), 2334 states have internal predecessors, (4474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 4474 transitions. [2021-10-16 22:47:57,742 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 4474 transitions. Word has length 131 [2021-10-16 22:47:57,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:47:57,743 INFO L470 AbstractCegarLoop]: Abstraction has 2335 states and 4474 transitions. [2021-10-16 22:47:57,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:47:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 4474 transitions. [2021-10-16 22:47:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:47:57,745 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:47:57,745 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:47:57,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-16 22:47:57,745 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:47:57,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:47:57,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1180630229, now seen corresponding path program 23 times [2021-10-16 22:47:57,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:47:57,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874620919] [2021-10-16 22:47:57,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:47:57,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:47:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:47:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:47:58,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:47:58,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874620919] [2021-10-16 22:47:58,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874620919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:47:58,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:47:58,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:47:58,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023657324] [2021-10-16 22:47:58,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:47:58,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:47:58,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:47:58,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:47:58,284 INFO L87 Difference]: Start difference. First operand 2335 states and 4474 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:00,783 INFO L93 Difference]: Finished difference Result 3926 states and 7584 transitions. [2021-10-16 22:48:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-16 22:48:00,783 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:00,787 INFO L225 Difference]: With dead ends: 3926 [2021-10-16 22:48:00,788 INFO L226 Difference]: Without dead ends: 3926 [2021-10-16 22:48:00,788 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1783 ImplicationChecksByTransitivity, 1318.2ms TimeCoverageRelationStatistics Valid=867, Invalid=5139, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:48:00,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2021-10-16 22:48:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 2329. [2021-10-16 22:48:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2329 states, 2325 states have (on average 1.9191397849462366) internal successors, (4462), 2328 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 22:48:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 2329 states and 4462 transitions. [2021-10-16 22:48:00,819 INFO L78 Accepts]: Start accepts. Automaton has 2329 states and 4462 transitions. Word has length 131 [2021-10-16 22:48:00,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:00,820 INFO L470 AbstractCegarLoop]: Abstraction has 2329 states and 4462 transitions. [2021-10-16 22:48:00,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4462 transitions. [2021-10-16 22:48:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:00,821 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:00,821 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:00,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-16 22:48:00,821 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:00,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:00,822 INFO L82 PathProgramCache]: Analyzing trace with hash 778424325, now seen corresponding path program 24 times [2021-10-16 22:48:00,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:00,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732651448] [2021-10-16 22:48:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:00,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:01,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:01,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732651448] [2021-10-16 22:48:01,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732651448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:01,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:01,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:01,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733491846] [2021-10-16 22:48:01,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:01,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:01,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:01,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:01,220 INFO L87 Difference]: Start difference. First operand 2329 states and 4462 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:03,433 INFO L93 Difference]: Finished difference Result 3964 states and 7658 transitions. [2021-10-16 22:48:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-10-16 22:48:03,433 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:03,437 INFO L225 Difference]: With dead ends: 3964 [2021-10-16 22:48:03,437 INFO L226 Difference]: Without dead ends: 3964 [2021-10-16 22:48:03,438 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1741 ImplicationChecksByTransitivity, 1279.4ms TimeCoverageRelationStatistics Valid=897, Invalid=4955, Unknown=0, NotChecked=0, Total=5852 [2021-10-16 22:48:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3964 states. [2021-10-16 22:48:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3964 to 2323. [2021-10-16 22:48:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 2319 states have (on average 1.9189305735230704) internal successors, (4450), 2322 states have internal predecessors, (4450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 4450 transitions. [2021-10-16 22:48:03,464 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 4450 transitions. Word has length 131 [2021-10-16 22:48:03,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:03,464 INFO L470 AbstractCegarLoop]: Abstraction has 2323 states and 4450 transitions. [2021-10-16 22:48:03,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 4450 transitions. [2021-10-16 22:48:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:03,466 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:03,466 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:03,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-16 22:48:03,467 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:03,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:03,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1365570739, now seen corresponding path program 25 times [2021-10-16 22:48:03,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:03,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848844546] [2021-10-16 22:48:03,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:03,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:03,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:03,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848844546] [2021-10-16 22:48:03,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848844546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:03,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:03,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:03,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247280851] [2021-10-16 22:48:03,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:03,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:03,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:03,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:03,830 INFO L87 Difference]: Start difference. First operand 2323 states and 4450 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:05,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:05,992 INFO L93 Difference]: Finished difference Result 3992 states and 7712 transitions. [2021-10-16 22:48:05,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:48:05,992 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:05,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:05,997 INFO L225 Difference]: With dead ends: 3992 [2021-10-16 22:48:05,997 INFO L226 Difference]: Without dead ends: 3992 [2021-10-16 22:48:05,998 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1691 ImplicationChecksByTransitivity, 1169.7ms TimeCoverageRelationStatistics Valid=840, Invalid=4860, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:48:06,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3992 states. [2021-10-16 22:48:06,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3992 to 2317. [2021-10-16 22:48:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2313 states have (on average 1.9187202766969305) internal successors, (4438), 2316 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 4438 transitions. [2021-10-16 22:48:06,025 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 4438 transitions. Word has length 131 [2021-10-16 22:48:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:06,026 INFO L470 AbstractCegarLoop]: Abstraction has 2317 states and 4438 transitions. [2021-10-16 22:48:06,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 4438 transitions. [2021-10-16 22:48:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:06,028 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:06,028 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:06,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-16 22:48:06,028 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:06,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:06,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1689938019, now seen corresponding path program 26 times [2021-10-16 22:48:06,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:06,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227100429] [2021-10-16 22:48:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:06,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:06,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:06,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:06,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227100429] [2021-10-16 22:48:06,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227100429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:06,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:06,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:06,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154683799] [2021-10-16 22:48:06,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:06,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:06,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:06,369 INFO L87 Difference]: Start difference. First operand 2317 states and 4438 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:08,369 INFO L93 Difference]: Finished difference Result 4340 states and 8375 transitions. [2021-10-16 22:48:08,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-16 22:48:08,369 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:08,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:08,373 INFO L225 Difference]: With dead ends: 4340 [2021-10-16 22:48:08,373 INFO L226 Difference]: Without dead ends: 4340 [2021-10-16 22:48:08,373 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 862.9ms TimeCoverageRelationStatistics Valid=657, Invalid=4745, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:48:08,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4340 states. [2021-10-16 22:48:08,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4340 to 2293. [2021-10-16 22:48:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 2289 states have (on average 1.9178680646570554) internal successors, (4390), 2292 states have internal predecessors, (4390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 4390 transitions. [2021-10-16 22:48:08,396 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 4390 transitions. Word has length 131 [2021-10-16 22:48:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:08,396 INFO L470 AbstractCegarLoop]: Abstraction has 2293 states and 4390 transitions. [2021-10-16 22:48:08,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 4390 transitions. [2021-10-16 22:48:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:08,399 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:08,399 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:08,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-16 22:48:08,399 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:08,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:08,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2088459233, now seen corresponding path program 27 times [2021-10-16 22:48:08,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:08,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523311014] [2021-10-16 22:48:08,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:08,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:08,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:08,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523311014] [2021-10-16 22:48:08,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523311014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:08,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:08,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:08,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027460656] [2021-10-16 22:48:08,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:08,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:08,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:08,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:08,713 INFO L87 Difference]: Start difference. First operand 2293 states and 4390 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:11,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:11,130 INFO L93 Difference]: Finished difference Result 5331 states and 10284 transitions. [2021-10-16 22:48:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-16 22:48:11,131 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:11,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:11,136 INFO L225 Difference]: With dead ends: 5331 [2021-10-16 22:48:11,136 INFO L226 Difference]: Without dead ends: 5331 [2021-10-16 22:48:11,137 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2285 ImplicationChecksByTransitivity, 976.4ms TimeCoverageRelationStatistics Valid=812, Invalid=6328, Unknown=0, NotChecked=0, Total=7140 [2021-10-16 22:48:11,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5331 states. [2021-10-16 22:48:11,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5331 to 2281. [2021-10-16 22:48:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 2277 states have (on average 1.917435221783048) internal successors, (4366), 2280 states have internal predecessors, (4366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 4366 transitions. [2021-10-16 22:48:11,172 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 4366 transitions. Word has length 131 [2021-10-16 22:48:11,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:11,173 INFO L470 AbstractCegarLoop]: Abstraction has 2281 states and 4366 transitions. [2021-10-16 22:48:11,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 4366 transitions. [2021-10-16 22:48:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:11,174 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:11,175 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:11,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-16 22:48:11,175 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:11,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1113425789, now seen corresponding path program 28 times [2021-10-16 22:48:11,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:11,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181603973] [2021-10-16 22:48:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:11,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:11,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:11,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181603973] [2021-10-16 22:48:11,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181603973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:11,472 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:11,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:11,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609142390] [2021-10-16 22:48:11,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:11,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:11,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:11,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:11,473 INFO L87 Difference]: Start difference. First operand 2281 states and 4366 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:13,469 INFO L93 Difference]: Finished difference Result 4852 states and 9331 transitions. [2021-10-16 22:48:13,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-16 22:48:13,469 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:13,474 INFO L225 Difference]: With dead ends: 4852 [2021-10-16 22:48:13,474 INFO L226 Difference]: Without dead ends: 4852 [2021-10-16 22:48:13,475 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2178 ImplicationChecksByTransitivity, 938.8ms TimeCoverageRelationStatistics Valid=797, Invalid=6009, Unknown=0, NotChecked=0, Total=6806 [2021-10-16 22:48:13,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2021-10-16 22:48:13,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 2311. [2021-10-16 22:48:13,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2307 states have (on average 1.918508885999133) internal successors, (4426), 2310 states have internal predecessors, (4426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4426 transitions. [2021-10-16 22:48:13,519 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4426 transitions. Word has length 131 [2021-10-16 22:48:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:13,519 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4426 transitions. [2021-10-16 22:48:13,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4426 transitions. [2021-10-16 22:48:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:13,521 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:13,521 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:13,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-16 22:48:13,521 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:13,522 INFO L82 PathProgramCache]: Analyzing trace with hash 714547601, now seen corresponding path program 29 times [2021-10-16 22:48:13,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:13,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927067848] [2021-10-16 22:48:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:13,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:13,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:13,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927067848] [2021-10-16 22:48:13,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927067848] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:13,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:13,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:48:13,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567824719] [2021-10-16 22:48:13,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:48:13,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:48:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:48:13,989 INFO L87 Difference]: Start difference. First operand 2311 states and 4426 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:15,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:15,606 INFO L93 Difference]: Finished difference Result 3345 states and 6481 transitions. [2021-10-16 22:48:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:48:15,607 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:15,611 INFO L225 Difference]: With dead ends: 3345 [2021-10-16 22:48:15,611 INFO L226 Difference]: Without dead ends: 3345 [2021-10-16 22:48:15,611 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 960.7ms TimeCoverageRelationStatistics Valid=560, Invalid=3100, Unknown=0, NotChecked=0, Total=3660 [2021-10-16 22:48:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3345 states. [2021-10-16 22:48:15,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3345 to 2389. [2021-10-16 22:48:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 2385 states have (on average 1.9211740041928722) internal successors, (4582), 2388 states have internal predecessors, (4582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 4582 transitions. [2021-10-16 22:48:15,633 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 4582 transitions. Word has length 131 [2021-10-16 22:48:15,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:15,633 INFO L470 AbstractCegarLoop]: Abstraction has 2389 states and 4582 transitions. [2021-10-16 22:48:15,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 4582 transitions. [2021-10-16 22:48:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:15,634 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:15,635 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:15,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-16 22:48:15,635 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:15,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1171182825, now seen corresponding path program 30 times [2021-10-16 22:48:15,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:15,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502669805] [2021-10-16 22:48:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:15,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:16,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:16,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502669805] [2021-10-16 22:48:16,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502669805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:16,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:16,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:48:16,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357386929] [2021-10-16 22:48:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:48:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:48:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:48:16,087 INFO L87 Difference]: Start difference. First operand 2389 states and 4582 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:18,062 INFO L93 Difference]: Finished difference Result 3388 states and 6565 transitions. [2021-10-16 22:48:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-16 22:48:18,062 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:18,066 INFO L225 Difference]: With dead ends: 3388 [2021-10-16 22:48:18,066 INFO L226 Difference]: Without dead ends: 3388 [2021-10-16 22:48:18,066 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1033.6ms TimeCoverageRelationStatistics Valid=634, Invalid=3656, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:48:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2021-10-16 22:48:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2383. [2021-10-16 22:48:18,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2379 states have (on average 1.9209751996637243) internal successors, (4570), 2382 states have internal predecessors, (4570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 4570 transitions. [2021-10-16 22:48:18,089 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 4570 transitions. Word has length 131 [2021-10-16 22:48:18,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:18,090 INFO L470 AbstractCegarLoop]: Abstraction has 2383 states and 4570 transitions. [2021-10-16 22:48:18,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4570 transitions. [2021-10-16 22:48:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:18,092 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:18,092 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:18,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-16 22:48:18,092 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1164729917, now seen corresponding path program 31 times [2021-10-16 22:48:18,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:18,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294664635] [2021-10-16 22:48:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:18,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:18,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:18,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294664635] [2021-10-16 22:48:18,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294664635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:18,460 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:18,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:18,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537869247] [2021-10-16 22:48:18,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:18,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:18,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:18,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:18,461 INFO L87 Difference]: Start difference. First operand 2383 states and 4570 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:20,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:20,395 INFO L93 Difference]: Finished difference Result 3426 states and 6639 transitions. [2021-10-16 22:48:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-10-16 22:48:20,395 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:20,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:20,410 INFO L225 Difference]: With dead ends: 3426 [2021-10-16 22:48:20,410 INFO L226 Difference]: Without dead ends: 3426 [2021-10-16 22:48:20,410 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1008.8ms TimeCoverageRelationStatistics Valid=639, Invalid=3393, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:48:20,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2021-10-16 22:48:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 2377. [2021-10-16 22:48:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 2373 states have (on average 1.9207753898019384) internal successors, (4558), 2376 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 4558 transitions. [2021-10-16 22:48:20,431 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 4558 transitions. Word has length 131 [2021-10-16 22:48:20,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:20,431 INFO L470 AbstractCegarLoop]: Abstraction has 2377 states and 4558 transitions. [2021-10-16 22:48:20,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 4558 transitions. [2021-10-16 22:48:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:20,433 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:20,433 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:20,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-16 22:48:20,433 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:20,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:20,434 INFO L82 PathProgramCache]: Analyzing trace with hash 986242315, now seen corresponding path program 32 times [2021-10-16 22:48:20,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:20,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055746686] [2021-10-16 22:48:20,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:20,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:20,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:20,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055746686] [2021-10-16 22:48:20,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055746686] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:20,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:20,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:20,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619881234] [2021-10-16 22:48:20,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:20,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:20,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:20,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:20,826 INFO L87 Difference]: Start difference. First operand 2377 states and 4558 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:22,731 INFO L93 Difference]: Finished difference Result 3454 states and 6693 transitions. [2021-10-16 22:48:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:48:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:22,735 INFO L225 Difference]: With dead ends: 3454 [2021-10-16 22:48:22,735 INFO L226 Difference]: Without dead ends: 3454 [2021-10-16 22:48:22,736 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 955 ImplicationChecksByTransitivity, 964.0ms TimeCoverageRelationStatistics Valid=575, Invalid=3207, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:48:22,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3454 states. [2021-10-16 22:48:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3454 to 2371. [2021-10-16 22:48:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2367 states have (on average 1.9205745669623997) internal successors, (4546), 2370 states have internal predecessors, (4546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 4546 transitions. [2021-10-16 22:48:22,757 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 4546 transitions. Word has length 131 [2021-10-16 22:48:22,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:22,757 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 4546 transitions. [2021-10-16 22:48:22,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 4546 transitions. [2021-10-16 22:48:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:22,758 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:22,759 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:22,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-16 22:48:22,759 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash -253216223, now seen corresponding path program 33 times [2021-10-16 22:48:22,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:22,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154330463] [2021-10-16 22:48:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:22,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:23,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:23,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154330463] [2021-10-16 22:48:23,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154330463] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:23,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:23,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:23,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655368002] [2021-10-16 22:48:23,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:23,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:23,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:23,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:23,043 INFO L87 Difference]: Start difference. First operand 2371 states and 4546 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:24,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:24,669 INFO L93 Difference]: Finished difference Result 3974 states and 7657 transitions. [2021-10-16 22:48:24,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:48:24,670 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:24,674 INFO L225 Difference]: With dead ends: 3974 [2021-10-16 22:48:24,674 INFO L226 Difference]: Without dead ends: 3974 [2021-10-16 22:48:24,674 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 697.1ms TimeCoverageRelationStatistics Valid=497, Invalid=3409, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:48:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3974 states. [2021-10-16 22:48:24,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3974 to 2347. [2021-10-16 22:48:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2347 states, 2343 states have (on average 1.9197609901835253) internal successors, (4498), 2346 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 4498 transitions. [2021-10-16 22:48:24,699 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 4498 transitions. Word has length 131 [2021-10-16 22:48:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:24,700 INFO L470 AbstractCegarLoop]: Abstraction has 2347 states and 4498 transitions. [2021-10-16 22:48:24,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 4498 transitions. [2021-10-16 22:48:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:24,701 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:24,702 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:24,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-16 22:48:24,702 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:24,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash 263353821, now seen corresponding path program 34 times [2021-10-16 22:48:24,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:24,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821929682] [2021-10-16 22:48:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:24,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:24,980 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 22:48:24,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:24,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821929682] [2021-10-16 22:48:24,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821929682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:24,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:24,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:24,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525484084] [2021-10-16 22:48:24,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:24,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:24,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:24,982 INFO L87 Difference]: Start difference. First operand 2347 states and 4498 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:26,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:26,888 INFO L93 Difference]: Finished difference Result 4965 states and 9566 transitions. [2021-10-16 22:48:26,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:48:26,888 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:26,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:26,893 INFO L225 Difference]: With dead ends: 4965 [2021-10-16 22:48:26,894 INFO L226 Difference]: Without dead ends: 4965 [2021-10-16 22:48:26,894 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1490 ImplicationChecksByTransitivity, 800.0ms TimeCoverageRelationStatistics Valid=624, Invalid=4488, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:48:26,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4965 states. [2021-10-16 22:48:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4965 to 2335. [2021-10-16 22:48:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2335 states, 2331 states have (on average 1.9193479193479193) internal successors, (4474), 2334 states have internal predecessors, (4474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 4474 transitions. [2021-10-16 22:48:26,921 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 4474 transitions. Word has length 131 [2021-10-16 22:48:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:26,921 INFO L470 AbstractCegarLoop]: Abstraction has 2335 states and 4474 transitions. [2021-10-16 22:48:26,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 4474 transitions. [2021-10-16 22:48:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:26,922 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:26,922 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:26,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-16 22:48:26,923 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:26,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:26,923 INFO L82 PathProgramCache]: Analyzing trace with hash -829728453, now seen corresponding path program 35 times [2021-10-16 22:48:26,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:26,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303534521] [2021-10-16 22:48:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:26,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:27,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:27,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303534521] [2021-10-16 22:48:27,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303534521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:27,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:27,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:27,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150598624] [2021-10-16 22:48:27,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:27,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:27,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:27,213 INFO L87 Difference]: Start difference. First operand 2335 states and 4474 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:29,147 INFO L93 Difference]: Finished difference Result 5060 states and 9751 transitions. [2021-10-16 22:48:29,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-16 22:48:29,148 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:29,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:29,153 INFO L225 Difference]: With dead ends: 5060 [2021-10-16 22:48:29,154 INFO L226 Difference]: Without dead ends: 5060 [2021-10-16 22:48:29,154 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1860 ImplicationChecksByTransitivity, 869.0ms TimeCoverageRelationStatistics Valid=727, Invalid=5279, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:48:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2021-10-16 22:48:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 2317. [2021-10-16 22:48:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2313 states have (on average 1.9187202766969305) internal successors, (4438), 2316 states have internal predecessors, (4438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 4438 transitions. [2021-10-16 22:48:29,195 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 4438 transitions. Word has length 131 [2021-10-16 22:48:29,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:29,195 INFO L470 AbstractCegarLoop]: Abstraction has 2317 states and 4438 transitions. [2021-10-16 22:48:29,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 4438 transitions. [2021-10-16 22:48:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:29,197 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:29,197 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:29,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-10-16 22:48:29,197 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:29,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:29,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1789238965, now seen corresponding path program 36 times [2021-10-16 22:48:29,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:29,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628127018] [2021-10-16 22:48:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:29,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:29,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:29,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628127018] [2021-10-16 22:48:29,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628127018] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:29,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:29,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:29,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522504122] [2021-10-16 22:48:29,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:29,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:29,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:29,512 INFO L87 Difference]: Start difference. First operand 2317 states and 4438 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:31,154 INFO L93 Difference]: Finished difference Result 3608 states and 6931 transitions. [2021-10-16 22:48:31,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-16 22:48:31,154 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:31,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:31,159 INFO L225 Difference]: With dead ends: 3608 [2021-10-16 22:48:31,159 INFO L226 Difference]: Without dead ends: 3608 [2021-10-16 22:48:31,160 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 834.8ms TimeCoverageRelationStatistics Valid=689, Invalid=4281, Unknown=0, NotChecked=0, Total=4970 [2021-10-16 22:48:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2021-10-16 22:48:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 2327. [2021-10-16 22:48:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 2323 states have (on average 1.9190701678863538) internal successors, (4458), 2326 states have internal predecessors, (4458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 4458 transitions. [2021-10-16 22:48:31,189 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 4458 transitions. Word has length 131 [2021-10-16 22:48:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:31,190 INFO L470 AbstractCegarLoop]: Abstraction has 2327 states and 4458 transitions. [2021-10-16 22:48:31,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 4458 transitions. [2021-10-16 22:48:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:31,192 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:31,192 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:31,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-10-16 22:48:31,192 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:31,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:31,193 INFO L82 PathProgramCache]: Analyzing trace with hash -62042029, now seen corresponding path program 37 times [2021-10-16 22:48:31,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:31,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752572184] [2021-10-16 22:48:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:31,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:31,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:31,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752572184] [2021-10-16 22:48:31,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752572184] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:31,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:31,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:48:31,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689023517] [2021-10-16 22:48:31,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:48:31,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:31,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:48:31,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:48:31,628 INFO L87 Difference]: Start difference. First operand 2327 states and 4458 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:33,220 INFO L93 Difference]: Finished difference Result 4329 states and 8430 transitions. [2021-10-16 22:48:33,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:48:33,220 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:33,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:33,224 INFO L225 Difference]: With dead ends: 4329 [2021-10-16 22:48:33,224 INFO L226 Difference]: Without dead ends: 4329 [2021-10-16 22:48:33,225 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 782.9ms TimeCoverageRelationStatistics Valid=420, Invalid=2030, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:48:33,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2021-10-16 22:48:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 2321. [2021-10-16 22:48:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 2317 states have (on average 1.9188605955977558) internal successors, (4446), 2320 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 4446 transitions. [2021-10-16 22:48:33,249 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 4446 transitions. Word has length 131 [2021-10-16 22:48:33,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:33,249 INFO L470 AbstractCegarLoop]: Abstraction has 2321 states and 4446 transitions. [2021-10-16 22:48:33,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 4446 transitions. [2021-10-16 22:48:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:33,250 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:33,250 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:33,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-16 22:48:33,251 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash 394593195, now seen corresponding path program 38 times [2021-10-16 22:48:33,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:33,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725772947] [2021-10-16 22:48:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:33,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:33,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:33,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725772947] [2021-10-16 22:48:33,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725772947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:33,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:33,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-16 22:48:33,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792255991] [2021-10-16 22:48:33,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-16 22:48:33,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:33,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-16 22:48:33,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-16 22:48:33,701 INFO L87 Difference]: Start difference. First operand 2321 states and 4446 transitions. Second operand has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:35,556 INFO L93 Difference]: Finished difference Result 4372 states and 8514 transitions. [2021-10-16 22:48:35,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:48:35,556 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:35,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:35,561 INFO L225 Difference]: With dead ends: 4372 [2021-10-16 22:48:35,561 INFO L226 Difference]: Without dead ends: 4372 [2021-10-16 22:48:35,561 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 856.3ms TimeCoverageRelationStatistics Valid=503, Invalid=2467, Unknown=0, NotChecked=0, Total=2970 [2021-10-16 22:48:35,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4372 states. [2021-10-16 22:48:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4372 to 2315. [2021-10-16 22:48:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2311 states have (on average 1.9186499350930333) internal successors, (4434), 2314 states have internal predecessors, (4434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 4434 transitions. [2021-10-16 22:48:35,590 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 4434 transitions. Word has length 131 [2021-10-16 22:48:35,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:35,591 INFO L470 AbstractCegarLoop]: Abstraction has 2315 states and 4434 transitions. [2021-10-16 22:48:35,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.954545454545454) internal successors, (131), 23 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 4434 transitions. [2021-10-16 22:48:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:35,592 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:35,593 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:35,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-10-16 22:48:35,593 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:35,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:35,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1941319547, now seen corresponding path program 39 times [2021-10-16 22:48:35,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:35,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139070021] [2021-10-16 22:48:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:35,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:35,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:35,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139070021] [2021-10-16 22:48:35,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139070021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:35,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:35,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:35,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707126709] [2021-10-16 22:48:35,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:35,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:35,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:35,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:35,955 INFO L87 Difference]: Start difference. First operand 2315 states and 4434 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:37,853 INFO L93 Difference]: Finished difference Result 4410 states and 8588 transitions. [2021-10-16 22:48:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:48:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:37,857 INFO L225 Difference]: With dead ends: 4410 [2021-10-16 22:48:37,857 INFO L226 Difference]: Without dead ends: 4410 [2021-10-16 22:48:37,857 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 836.7ms TimeCoverageRelationStatistics Valid=518, Invalid=2238, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:48:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2021-10-16 22:48:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 2309. [2021-10-16 22:48:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 2305 states have (on average 1.9184381778741866) internal successors, (4422), 2308 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 4422 transitions. [2021-10-16 22:48:37,885 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 4422 transitions. Word has length 131 [2021-10-16 22:48:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:37,885 INFO L470 AbstractCegarLoop]: Abstraction has 2309 states and 4422 transitions. [2021-10-16 22:48:37,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 4422 transitions. [2021-10-16 22:48:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:37,886 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:37,886 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:37,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-10-16 22:48:37,887 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:37,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:37,887 INFO L82 PathProgramCache]: Analyzing trace with hash 209652685, now seen corresponding path program 40 times [2021-10-16 22:48:37,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:37,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978217786] [2021-10-16 22:48:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:37,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:38,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:38,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978217786] [2021-10-16 22:48:38,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978217786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:38,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:38,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:38,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584662454] [2021-10-16 22:48:38,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:38,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:38,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:38,259 INFO L87 Difference]: Start difference. First operand 2309 states and 4422 transitions. Second operand has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:39,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:39,910 INFO L93 Difference]: Finished difference Result 4438 states and 8642 transitions. [2021-10-16 22:48:39,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:48:39,911 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:39,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:39,915 INFO L225 Difference]: With dead ends: 4438 [2021-10-16 22:48:39,915 INFO L226 Difference]: Without dead ends: 4438 [2021-10-16 22:48:39,915 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 575 ImplicationChecksByTransitivity, 817.8ms TimeCoverageRelationStatistics Valid=511, Invalid=2245, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:48:39,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4438 states. [2021-10-16 22:48:39,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4438 to 2303. [2021-10-16 22:48:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 2299 states have (on average 1.918225315354502) internal successors, (4410), 2302 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 4410 transitions. [2021-10-16 22:48:39,941 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 4410 transitions. Word has length 131 [2021-10-16 22:48:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:39,941 INFO L470 AbstractCegarLoop]: Abstraction has 2303 states and 4410 transitions. [2021-10-16 22:48:39,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.55) internal successors, (131), 21 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:39,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 4410 transitions. [2021-10-16 22:48:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:39,943 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:39,943 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:39,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-10-16 22:48:39,944 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1029805853, now seen corresponding path program 41 times [2021-10-16 22:48:39,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:39,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374167889] [2021-10-16 22:48:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:39,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:40,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:40,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374167889] [2021-10-16 22:48:40,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374167889] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:40,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:40,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:40,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734135207] [2021-10-16 22:48:40,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:40,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:40,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:40,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:40,237 INFO L87 Difference]: Start difference. First operand 2303 states and 4410 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:42,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:42,038 INFO L93 Difference]: Finished difference Result 4958 states and 9606 transitions. [2021-10-16 22:48:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-16 22:48:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:42,044 INFO L225 Difference]: With dead ends: 4958 [2021-10-16 22:48:42,044 INFO L226 Difference]: Without dead ends: 4958 [2021-10-16 22:48:42,044 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 754.0ms TimeCoverageRelationStatistics Valid=550, Invalid=2990, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:48:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4958 states. [2021-10-16 22:48:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4958 to 2279. [2021-10-16 22:48:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2279 states, 2275 states have (on average 1.9173626373626373) internal successors, (4362), 2278 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 22:48:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 2279 states and 4362 transitions. [2021-10-16 22:48:42,071 INFO L78 Accepts]: Start accepts. Automaton has 2279 states and 4362 transitions. Word has length 131 [2021-10-16 22:48:42,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:42,071 INFO L470 AbstractCegarLoop]: Abstraction has 2279 states and 4362 transitions. [2021-10-16 22:48:42,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:42,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 4362 transitions. [2021-10-16 22:48:42,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:42,072 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:42,072 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:42,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-10-16 22:48:42,073 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:42,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:42,073 INFO L82 PathProgramCache]: Analyzing trace with hash -513235809, now seen corresponding path program 42 times [2021-10-16 22:48:42,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:42,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200683348] [2021-10-16 22:48:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:42,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:42,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:42,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:42,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200683348] [2021-10-16 22:48:42,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200683348] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:42,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:42,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:42,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004093654] [2021-10-16 22:48:42,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:42,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:42,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:42,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:42,393 INFO L87 Difference]: Start difference. First operand 2279 states and 4362 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:44,592 INFO L93 Difference]: Finished difference Result 5949 states and 11515 transitions. [2021-10-16 22:48:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-16 22:48:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:44,599 INFO L225 Difference]: With dead ends: 5949 [2021-10-16 22:48:44,599 INFO L226 Difference]: Without dead ends: 5949 [2021-10-16 22:48:44,600 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 920.6ms TimeCoverageRelationStatistics Valid=780, Invalid=4332, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:48:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5949 states. [2021-10-16 22:48:44,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5949 to 2267. [2021-10-16 22:48:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 2263 states have (on average 1.9169244365885991) internal successors, (4338), 2266 states have internal predecessors, (4338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 4338 transitions. [2021-10-16 22:48:44,637 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 4338 transitions. Word has length 131 [2021-10-16 22:48:44,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:44,637 INFO L470 AbstractCegarLoop]: Abstraction has 2267 states and 4338 transitions. [2021-10-16 22:48:44,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 4338 transitions. [2021-10-16 22:48:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:44,639 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:44,639 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:44,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-10-16 22:48:44,647 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:44,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:44,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1606318083, now seen corresponding path program 43 times [2021-10-16 22:48:44,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:44,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229814899] [2021-10-16 22:48:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:44,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:44,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:44,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229814899] [2021-10-16 22:48:44,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229814899] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:44,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:44,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:44,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227378014] [2021-10-16 22:48:44,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:44,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:44,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:44,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:44,966 INFO L87 Difference]: Start difference. First operand 2267 states and 4338 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:47,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:47,367 INFO L93 Difference]: Finished difference Result 6044 states and 11700 transitions. [2021-10-16 22:48:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:48:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:47,373 INFO L225 Difference]: With dead ends: 6044 [2021-10-16 22:48:47,373 INFO L226 Difference]: Without dead ends: 6044 [2021-10-16 22:48:47,374 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1637 ImplicationChecksByTransitivity, 991.3ms TimeCoverageRelationStatistics Valid=893, Invalid=4807, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:48:47,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6044 states. [2021-10-16 22:48:47,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6044 to 2249. [2021-10-16 22:48:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 2245 states have (on average 1.9162583518930958) internal successors, (4302), 2248 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:47,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 4302 transitions. [2021-10-16 22:48:47,412 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 4302 transitions. Word has length 131 [2021-10-16 22:48:47,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:47,413 INFO L470 AbstractCegarLoop]: Abstraction has 2249 states and 4302 transitions. [2021-10-16 22:48:47,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 4302 transitions. [2021-10-16 22:48:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-16 22:48:47,414 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:47,414 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:47,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-10-16 22:48:47,415 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:47,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:47,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1012649335, now seen corresponding path program 44 times [2021-10-16 22:48:47,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:47,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322035825] [2021-10-16 22:48:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:47,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:47,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:47,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322035825] [2021-10-16 22:48:47,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322035825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:47,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:47,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:48:47,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819423628] [2021-10-16 22:48:47,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:48:47,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:47,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:48:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:48:47,728 INFO L87 Difference]: Start difference. First operand 2249 states and 4302 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:50,110 INFO L93 Difference]: Finished difference Result 4436 states and 8573 transitions. [2021-10-16 22:48:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:48:50,110 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-10-16 22:48:50,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:50,115 INFO L225 Difference]: With dead ends: 4436 [2021-10-16 22:48:50,115 INFO L226 Difference]: Without dead ends: 4436 [2021-10-16 22:48:50,115 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1674 ImplicationChecksByTransitivity, 937.7ms TimeCoverageRelationStatistics Valid=840, Invalid=4860, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:48:50,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2021-10-16 22:48:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 2043. [2021-10-16 22:48:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2043 states, 2040 states have (on average 1.9093137254901962) internal successors, (3895), 2042 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 3895 transitions. [2021-10-16 22:48:50,139 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 3895 transitions. Word has length 131 [2021-10-16 22:48:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:50,139 INFO L470 AbstractCegarLoop]: Abstraction has 2043 states and 3895 transitions. [2021-10-16 22:48:50,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 22 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:50,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 3895 transitions. [2021-10-16 22:48:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:48:50,141 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:50,141 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:50,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-10-16 22:48:50,141 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:50,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash -2025428960, now seen corresponding path program 1 times [2021-10-16 22:48:50,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:50,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385144104] [2021-10-16 22:48:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:50,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:50,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:50,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385144104] [2021-10-16 22:48:50,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385144104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:50,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:50,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:50,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840442790] [2021-10-16 22:48:50,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:50,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:50,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:50,642 INFO L87 Difference]: Start difference. First operand 2043 states and 3895 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:52,376 INFO L93 Difference]: Finished difference Result 2265 states and 4296 transitions. [2021-10-16 22:48:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:48:52,376 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:48:52,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:52,378 INFO L225 Difference]: With dead ends: 2265 [2021-10-16 22:48:52,378 INFO L226 Difference]: Without dead ends: 2265 [2021-10-16 22:48:52,379 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 1133.4ms TimeCoverageRelationStatistics Valid=829, Invalid=3593, Unknown=0, NotChecked=0, Total=4422 [2021-10-16 22:48:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states. [2021-10-16 22:48:52,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2059. [2021-10-16 22:48:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 2056 states have (on average 1.9100194552529184) internal successors, (3927), 2058 states have internal predecessors, (3927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 3927 transitions. [2021-10-16 22:48:52,396 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 3927 transitions. Word has length 139 [2021-10-16 22:48:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:52,396 INFO L470 AbstractCegarLoop]: Abstraction has 2059 states and 3927 transitions. [2021-10-16 22:48:52,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 3927 transitions. [2021-10-16 22:48:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:48:52,398 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:52,398 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:52,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-10-16 22:48:52,398 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:52,398 INFO L82 PathProgramCache]: Analyzing trace with hash -27778786, now seen corresponding path program 2 times [2021-10-16 22:48:52,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:52,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335402351] [2021-10-16 22:48:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:52,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:52,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:52,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335402351] [2021-10-16 22:48:52,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335402351] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:52,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:52,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:52,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877269902] [2021-10-16 22:48:52,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:52,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:52,866 INFO L87 Difference]: Start difference. First operand 2059 states and 3927 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:55,091 INFO L93 Difference]: Finished difference Result 2302 states and 4369 transitions. [2021-10-16 22:48:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:48:55,091 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:48:55,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:55,094 INFO L225 Difference]: With dead ends: 2302 [2021-10-16 22:48:55,094 INFO L226 Difference]: Without dead ends: 2302 [2021-10-16 22:48:55,094 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 1449.7ms TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2021-10-16 22:48:55,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2021-10-16 22:48:55,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2065. [2021-10-16 22:48:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 2062 states have (on average 1.9102812803103784) internal successors, (3939), 2064 states have internal predecessors, (3939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 3939 transitions. [2021-10-16 22:48:55,112 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 3939 transitions. Word has length 139 [2021-10-16 22:48:55,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:55,112 INFO L470 AbstractCegarLoop]: Abstraction has 2065 states and 3939 transitions. [2021-10-16 22:48:55,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 3939 transitions. [2021-10-16 22:48:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:48:55,114 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:55,114 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:55,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-10-16 22:48:55,114 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:55,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:55,114 INFO L82 PathProgramCache]: Analyzing trace with hash 32697136, now seen corresponding path program 3 times [2021-10-16 22:48:55,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:55,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146990572] [2021-10-16 22:48:55,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:55,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:48:55,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:55,639 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146990572] [2021-10-16 22:48:55,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146990572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:55,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:55,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:55,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577588858] [2021-10-16 22:48:55,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:55,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:55,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:55,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:55,641 INFO L87 Difference]: Start difference. First operand 2065 states and 3939 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:48:57,769 INFO L93 Difference]: Finished difference Result 2309 states and 4382 transitions. [2021-10-16 22:48:57,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:48:57,771 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:48:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:48:57,774 INFO L225 Difference]: With dead ends: 2309 [2021-10-16 22:48:57,774 INFO L226 Difference]: Without dead ends: 2309 [2021-10-16 22:48:57,775 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1352.5ms TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:48:57,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2021-10-16 22:48:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2075. [2021-10-16 22:48:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 2072 states have (on average 1.9107142857142858) internal successors, (3959), 2074 states have internal predecessors, (3959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 3959 transitions. [2021-10-16 22:48:57,791 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 3959 transitions. Word has length 139 [2021-10-16 22:48:57,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:48:57,792 INFO L470 AbstractCegarLoop]: Abstraction has 2075 states and 3959 transitions. [2021-10-16 22:48:57,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:48:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 3959 transitions. [2021-10-16 22:48:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:48:57,793 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:48:57,793 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:48:57,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-10-16 22:48:57,793 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:48:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:48:57,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1871544416, now seen corresponding path program 4 times [2021-10-16 22:48:57,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:48:57,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990842207] [2021-10-16 22:48:57,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:48:57,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:48:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:48:58,226 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 22:48:58,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:48:58,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990842207] [2021-10-16 22:48:58,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990842207] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:48:58,227 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:48:58,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:48:58,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319435202] [2021-10-16 22:48:58,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:48:58,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:48:58,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:48:58,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:48:58,228 INFO L87 Difference]: Start difference. First operand 2075 states and 3959 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:00,304 INFO L93 Difference]: Finished difference Result 2340 states and 4444 transitions. [2021-10-16 22:49:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:49:00,305 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:00,307 INFO L225 Difference]: With dead ends: 2340 [2021-10-16 22:49:00,307 INFO L226 Difference]: Without dead ends: 2340 [2021-10-16 22:49:00,307 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1286 ImplicationChecksByTransitivity, 1393.2ms TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:49:00,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2021-10-16 22:49:00,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 2087. [2021-10-16 22:49:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2087 states, 2084 states have (on average 1.911228406909789) internal successors, (3983), 2086 states have internal predecessors, (3983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:00,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3983 transitions. [2021-10-16 22:49:00,328 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3983 transitions. Word has length 139 [2021-10-16 22:49:00,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:00,328 INFO L470 AbstractCegarLoop]: Abstraction has 2087 states and 3983 transitions. [2021-10-16 22:49:00,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3983 transitions. [2021-10-16 22:49:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:00,330 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:00,330 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:00,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-10-16 22:49:00,331 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:00,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:00,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1932020338, now seen corresponding path program 5 times [2021-10-16 22:49:00,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:00,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430157] [2021-10-16 22:49:00,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:00,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:00,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:00,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430157] [2021-10-16 22:49:00,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430157] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:00,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:00,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:00,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385554670] [2021-10-16 22:49:00,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:00,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:00,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:00,790 INFO L87 Difference]: Start difference. First operand 2087 states and 3983 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:03,252 INFO L93 Difference]: Finished difference Result 2378 states and 4518 transitions. [2021-10-16 22:49:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:03,253 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:03,255 INFO L225 Difference]: With dead ends: 2378 [2021-10-16 22:49:03,255 INFO L226 Difference]: Without dead ends: 2378 [2021-10-16 22:49:03,256 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1482 ImplicationChecksByTransitivity, 1580.3ms TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2021-10-16 22:49:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2081. [2021-10-16 22:49:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 2078 states have (on average 1.9109720885466794) internal successors, (3971), 2080 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3971 transitions. [2021-10-16 22:49:03,275 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3971 transitions. Word has length 139 [2021-10-16 22:49:03,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:03,275 INFO L470 AbstractCegarLoop]: Abstraction has 2081 states and 3971 transitions. [2021-10-16 22:49:03,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:03,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3971 transitions. [2021-10-16 22:49:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:03,276 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:03,277 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:03,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-10-16 22:49:03,277 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:03,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:03,277 INFO L82 PathProgramCache]: Analyzing trace with hash 808726910, now seen corresponding path program 6 times [2021-10-16 22:49:03,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:03,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235867187] [2021-10-16 22:49:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:03,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:03,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:03,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235867187] [2021-10-16 22:49:03,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235867187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:03,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:03,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:03,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579051127] [2021-10-16 22:49:03,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:03,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:03,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:03,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:03,820 INFO L87 Difference]: Start difference. First operand 2081 states and 3971 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:05,933 INFO L93 Difference]: Finished difference Result 2353 states and 4468 transitions. [2021-10-16 22:49:05,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:05,934 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:05,936 INFO L225 Difference]: With dead ends: 2353 [2021-10-16 22:49:05,936 INFO L226 Difference]: Without dead ends: 2353 [2021-10-16 22:49:05,936 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1465.2ms TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:05,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2021-10-16 22:49:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2091. [2021-10-16 22:49:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 2088 states have (on average 1.9113984674329503) internal successors, (3991), 2090 states have internal predecessors, (3991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 3991 transitions. [2021-10-16 22:49:05,953 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 3991 transitions. Word has length 139 [2021-10-16 22:49:05,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:05,953 INFO L470 AbstractCegarLoop]: Abstraction has 2091 states and 3991 transitions. [2021-10-16 22:49:05,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 3991 transitions. [2021-10-16 22:49:05,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:05,954 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:05,955 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:05,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-10-16 22:49:05,955 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:05,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash -520937250, now seen corresponding path program 7 times [2021-10-16 22:49:05,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:05,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500841580] [2021-10-16 22:49:05,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:05,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:06,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:06,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500841580] [2021-10-16 22:49:06,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500841580] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:06,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:06,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:06,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140851516] [2021-10-16 22:49:06,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:06,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:06,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:06,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:06,407 INFO L87 Difference]: Start difference. First operand 2091 states and 3991 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:08,495 INFO L93 Difference]: Finished difference Result 2373 states and 4509 transitions. [2021-10-16 22:49:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:49:08,495 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:08,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:08,498 INFO L225 Difference]: With dead ends: 2373 [2021-10-16 22:49:08,498 INFO L226 Difference]: Without dead ends: 2373 [2021-10-16 22:49:08,498 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 1365.1ms TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:49:08,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2021-10-16 22:49:08,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2109. [2021-10-16 22:49:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2109 states, 2106 states have (on average 1.9121557454890787) internal successors, (4027), 2108 states have internal predecessors, (4027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 4027 transitions. [2021-10-16 22:49:08,517 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 4027 transitions. Word has length 139 [2021-10-16 22:49:08,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:08,517 INFO L470 AbstractCegarLoop]: Abstraction has 2109 states and 4027 transitions. [2021-10-16 22:49:08,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 4027 transitions. [2021-10-16 22:49:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:08,519 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:08,519 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:08,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-10-16 22:49:08,519 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:08,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:08,520 INFO L82 PathProgramCache]: Analyzing trace with hash -460461328, now seen corresponding path program 8 times [2021-10-16 22:49:08,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:08,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833393532] [2021-10-16 22:49:08,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:08,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:09,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:09,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833393532] [2021-10-16 22:49:09,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833393532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:09,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:09,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:09,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23387687] [2021-10-16 22:49:09,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:09,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:09,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:09,021 INFO L87 Difference]: Start difference. First operand 2109 states and 4027 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:11,380 INFO L93 Difference]: Finished difference Result 2411 states and 4583 transitions. [2021-10-16 22:49:11,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:49:11,380 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:11,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:11,383 INFO L225 Difference]: With dead ends: 2411 [2021-10-16 22:49:11,383 INFO L226 Difference]: Without dead ends: 2411 [2021-10-16 22:49:11,383 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1378 ImplicationChecksByTransitivity, 1572.0ms TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2021-10-16 22:49:11,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2411 states. [2021-10-16 22:49:11,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2411 to 2103. [2021-10-16 22:49:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 2100 states have (on average 1.911904761904762) internal successors, (4015), 2102 states have internal predecessors, (4015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 4015 transitions. [2021-10-16 22:49:11,400 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 4015 transitions. Word has length 139 [2021-10-16 22:49:11,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:11,400 INFO L470 AbstractCegarLoop]: Abstraction has 2103 states and 4015 transitions. [2021-10-16 22:49:11,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 4015 transitions. [2021-10-16 22:49:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:11,401 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:11,402 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:11,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-10-16 22:49:11,402 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:11,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1583754756, now seen corresponding path program 9 times [2021-10-16 22:49:11,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:11,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854034197] [2021-10-16 22:49:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:11,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:11,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:11,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854034197] [2021-10-16 22:49:11,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854034197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:11,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:11,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:11,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776133951] [2021-10-16 22:49:11,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:11,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:11,842 INFO L87 Difference]: Start difference. First operand 2103 states and 4015 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:14,279 INFO L93 Difference]: Finished difference Result 2444 states and 4647 transitions. [2021-10-16 22:49:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:14,279 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:14,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:14,281 INFO L225 Difference]: With dead ends: 2444 [2021-10-16 22:49:14,281 INFO L226 Difference]: Without dead ends: 2444 [2021-10-16 22:49:14,282 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 1631.1ms TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:14,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2021-10-16 22:49:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2097. [2021-10-16 22:49:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 2094 states have (on average 1.9116523400191021) internal successors, (4003), 2096 states have internal predecessors, (4003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 4003 transitions. [2021-10-16 22:49:14,298 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 4003 transitions. Word has length 139 [2021-10-16 22:49:14,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:14,298 INFO L470 AbstractCegarLoop]: Abstraction has 2097 states and 4003 transitions. [2021-10-16 22:49:14,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 4003 transitions. [2021-10-16 22:49:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:14,300 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:14,300 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:14,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-10-16 22:49:14,300 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:14,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:14,300 INFO L82 PathProgramCache]: Analyzing trace with hash -496289454, now seen corresponding path program 10 times [2021-10-16 22:49:14,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:14,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254596887] [2021-10-16 22:49:14,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:14,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:14,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:14,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254596887] [2021-10-16 22:49:14,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254596887] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:14,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:14,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:14,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082007045] [2021-10-16 22:49:14,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:14,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:14,762 INFO L87 Difference]: Start difference. First operand 2097 states and 4003 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:16,881 INFO L93 Difference]: Finished difference Result 2397 states and 4554 transitions. [2021-10-16 22:49:16,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:16,881 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:16,884 INFO L225 Difference]: With dead ends: 2397 [2021-10-16 22:49:16,884 INFO L226 Difference]: Without dead ends: 2397 [2021-10-16 22:49:16,884 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1403.0ms TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2021-10-16 22:49:16,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2107. [2021-10-16 22:49:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 2104 states have (on average 1.9120722433460076) internal successors, (4023), 2106 states have internal predecessors, (4023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:16,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 4023 transitions. [2021-10-16 22:49:16,902 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 4023 transitions. Word has length 139 [2021-10-16 22:49:16,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:16,902 INFO L470 AbstractCegarLoop]: Abstraction has 2107 states and 4023 transitions. [2021-10-16 22:49:16,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 4023 transitions. [2021-10-16 22:49:16,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:16,904 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:16,904 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:16,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-10-16 22:49:16,904 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:16,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1580558496, now seen corresponding path program 11 times [2021-10-16 22:49:16,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:16,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048199741] [2021-10-16 22:49:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:16,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:17,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:17,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048199741] [2021-10-16 22:49:17,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048199741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:17,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:17,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:17,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010007416] [2021-10-16 22:49:17,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:17,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:17,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:17,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:17,352 INFO L87 Difference]: Start difference. First operand 2107 states and 4023 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:19,177 INFO L93 Difference]: Finished difference Result 2730 states and 5218 transitions. [2021-10-16 22:49:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-10-16 22:49:19,178 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:19,180 INFO L225 Difference]: With dead ends: 2730 [2021-10-16 22:49:19,180 INFO L226 Difference]: Without dead ends: 2730 [2021-10-16 22:49:19,181 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 1091.1ms TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-10-16 22:49:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2730 states. [2021-10-16 22:49:19,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2730 to 2197. [2021-10-16 22:49:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 2194 states have (on average 1.915679124886053) internal successors, (4203), 2196 states have internal predecessors, (4203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 4203 transitions. [2021-10-16 22:49:19,198 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 4203 transitions. Word has length 139 [2021-10-16 22:49:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:19,199 INFO L470 AbstractCegarLoop]: Abstraction has 2197 states and 4203 transitions. [2021-10-16 22:49:19,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 4203 transitions. [2021-10-16 22:49:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:19,200 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:19,200 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:19,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-10-16 22:49:19,201 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:19,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:19,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1641034418, now seen corresponding path program 12 times [2021-10-16 22:49:19,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:19,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918259548] [2021-10-16 22:49:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:19,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:19,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:19,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918259548] [2021-10-16 22:49:19,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918259548] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:19,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:19,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:19,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632196856] [2021-10-16 22:49:19,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:19,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:19,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:19,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:19,632 INFO L87 Difference]: Start difference. First operand 2197 states and 4203 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:21,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:21,721 INFO L93 Difference]: Finished difference Result 2768 states and 5292 transitions. [2021-10-16 22:49:21,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:49:21,721 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:21,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:21,724 INFO L225 Difference]: With dead ends: 2768 [2021-10-16 22:49:21,724 INFO L226 Difference]: Without dead ends: 2768 [2021-10-16 22:49:21,724 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1382 ImplicationChecksByTransitivity, 1199.1ms TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2021-10-16 22:49:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2021-10-16 22:49:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2191. [2021-10-16 22:49:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2191 states, 2188 states have (on average 1.9154478976234004) internal successors, (4191), 2190 states have internal predecessors, (4191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 4191 transitions. [2021-10-16 22:49:21,743 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 4191 transitions. Word has length 139 [2021-10-16 22:49:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:21,744 INFO L470 AbstractCegarLoop]: Abstraction has 2191 states and 4191 transitions. [2021-10-16 22:49:21,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 4191 transitions. [2021-10-16 22:49:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:21,745 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:21,746 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:21,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-10-16 22:49:21,746 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:21,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:21,746 INFO L82 PathProgramCache]: Analyzing trace with hash 517740990, now seen corresponding path program 13 times [2021-10-16 22:49:21,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:21,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301198757] [2021-10-16 22:49:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:21,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:22,175 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 22:49:22,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:22,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301198757] [2021-10-16 22:49:22,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301198757] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:22,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:22,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:22,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318887449] [2021-10-16 22:49:22,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:22,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:22,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:22,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:22,177 INFO L87 Difference]: Start difference. First operand 2191 states and 4191 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:24,260 INFO L93 Difference]: Finished difference Result 2801 states and 5356 transitions. [2021-10-16 22:49:24,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:24,261 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:24,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:24,263 INFO L225 Difference]: With dead ends: 2801 [2021-10-16 22:49:24,263 INFO L226 Difference]: Without dead ends: 2801 [2021-10-16 22:49:24,264 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 1244.9ms TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-10-16 22:49:24,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2185. [2021-10-16 22:49:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2185 states, 2182 states have (on average 1.9152153987167737) internal successors, (4179), 2184 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 4179 transitions. [2021-10-16 22:49:24,282 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 4179 transitions. Word has length 139 [2021-10-16 22:49:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:24,282 INFO L470 AbstractCegarLoop]: Abstraction has 2185 states and 4179 transitions. [2021-10-16 22:49:24,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 4179 transitions. [2021-10-16 22:49:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:24,284 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:24,284 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:24,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-10-16 22:49:24,284 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:24,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1605206292, now seen corresponding path program 14 times [2021-10-16 22:49:24,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:24,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866213995] [2021-10-16 22:49:24,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:24,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:24,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:24,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866213995] [2021-10-16 22:49:24,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866213995] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:24,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:24,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:24,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570250634] [2021-10-16 22:49:24,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:24,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:24,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:24,693 INFO L87 Difference]: Start difference. First operand 2185 states and 4179 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:26,807 INFO L93 Difference]: Finished difference Result 2839 states and 5430 transitions. [2021-10-16 22:49:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:49:26,807 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:26,810 INFO L225 Difference]: With dead ends: 2839 [2021-10-16 22:49:26,810 INFO L226 Difference]: Without dead ends: 2839 [2021-10-16 22:49:26,810 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 1271.4ms TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:49:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2021-10-16 22:49:26,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2179. [2021-10-16 22:49:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 2176 states have (on average 1.9149816176470589) internal successors, (4167), 2178 states have internal predecessors, (4167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 4167 transitions. [2021-10-16 22:49:26,829 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 4167 transitions. Word has length 139 [2021-10-16 22:49:26,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:26,829 INFO L470 AbstractCegarLoop]: Abstraction has 2179 states and 4167 transitions. [2021-10-16 22:49:26,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 4167 transitions. [2021-10-16 22:49:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:26,830 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:26,831 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:26,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-10-16 22:49:26,831 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:26,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1756771292, now seen corresponding path program 15 times [2021-10-16 22:49:26,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:26,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741601148] [2021-10-16 22:49:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:26,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:27,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:27,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741601148] [2021-10-16 22:49:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741601148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:27,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:27,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139663411] [2021-10-16 22:49:27,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:27,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:27,397 INFO L87 Difference]: Start difference. First operand 2179 states and 4167 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:30,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:30,069 INFO L93 Difference]: Finished difference Result 3614 states and 6912 transitions. [2021-10-16 22:49:30,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:49:30,069 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:30,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:30,073 INFO L225 Difference]: With dead ends: 3614 [2021-10-16 22:49:30,074 INFO L226 Difference]: Without dead ends: 3614 [2021-10-16 22:49:30,074 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1648 ImplicationChecksByTransitivity, 1683.2ms TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2021-10-16 22:49:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2021-10-16 22:49:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 2299. [2021-10-16 22:49:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 2296 states have (on average 1.9194250871080138) internal successors, (4407), 2298 states have internal predecessors, (4407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 4407 transitions. [2021-10-16 22:49:30,097 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 4407 transitions. Word has length 139 [2021-10-16 22:49:30,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:30,097 INFO L470 AbstractCegarLoop]: Abstraction has 2299 states and 4407 transitions. [2021-10-16 22:49:30,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:30,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 4407 transitions. [2021-10-16 22:49:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:30,099 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:30,100 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:30,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-10-16 22:49:30,100 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:30,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:30,100 INFO L82 PathProgramCache]: Analyzing trace with hash 313070368, now seen corresponding path program 16 times [2021-10-16 22:49:30,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:30,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219389094] [2021-10-16 22:49:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:30,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:30,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:30,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219389094] [2021-10-16 22:49:30,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219389094] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:30,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:30,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:30,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208101647] [2021-10-16 22:49:30,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:30,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:30,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:30,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:30,445 INFO L87 Difference]: Start difference. First operand 2299 states and 4407 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:32,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:32,948 INFO L93 Difference]: Finished difference Result 5489 states and 10609 transitions. [2021-10-16 22:49:32,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-16 22:49:32,948 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:32,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:32,953 INFO L225 Difference]: With dead ends: 5489 [2021-10-16 22:49:32,953 INFO L226 Difference]: Without dead ends: 5489 [2021-10-16 22:49:32,954 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2118 ImplicationChecksByTransitivity, 1273.6ms TimeCoverageRelationStatistics Valid=1017, Invalid=5955, Unknown=0, NotChecked=0, Total=6972 [2021-10-16 22:49:32,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5489 states. [2021-10-16 22:49:32,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5489 to 2383. [2021-10-16 22:49:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2380 states have (on average 1.9222689075630253) internal successors, (4575), 2382 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 4575 transitions. [2021-10-16 22:49:32,980 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 4575 transitions. Word has length 139 [2021-10-16 22:49:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:32,980 INFO L470 AbstractCegarLoop]: Abstraction has 2383 states and 4575 transitions. [2021-10-16 22:49:32,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4575 transitions. [2021-10-16 22:49:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:32,982 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:32,982 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:32,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-10-16 22:49:32,982 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:32,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:32,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1133343848, now seen corresponding path program 17 times [2021-10-16 22:49:32,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:32,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141355959] [2021-10-16 22:49:32,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:32,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:33,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:33,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141355959] [2021-10-16 22:49:33,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141355959] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:33,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:33,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:33,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922022306] [2021-10-16 22:49:33,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:33,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:33,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:33,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:33,270 INFO L87 Difference]: Start difference. First operand 2383 states and 4575 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:34,697 INFO L93 Difference]: Finished difference Result 3286 states and 6354 transitions. [2021-10-16 22:49:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:49:34,698 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:34,701 INFO L225 Difference]: With dead ends: 3286 [2021-10-16 22:49:34,701 INFO L226 Difference]: Without dead ends: 3286 [2021-10-16 22:49:34,701 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 680.2ms TimeCoverageRelationStatistics Valid=524, Invalid=3258, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:49:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3286 states. [2021-10-16 22:49:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3286 to 2386. [2021-10-16 22:49:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2386 states, 2383 states have (on average 1.9223667645824591) internal successors, (4581), 2385 states have internal predecessors, (4581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 4581 transitions. [2021-10-16 22:49:34,722 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 4581 transitions. Word has length 139 [2021-10-16 22:49:34,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:34,723 INFO L470 AbstractCegarLoop]: Abstraction has 2386 states and 4581 transitions. [2021-10-16 22:49:34,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 4581 transitions. [2021-10-16 22:49:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:34,724 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:34,724 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:34,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-10-16 22:49:34,724 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:34,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:34,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1133559084, now seen corresponding path program 18 times [2021-10-16 22:49:34,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:34,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649921011] [2021-10-16 22:49:34,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:34,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:35,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:35,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649921011] [2021-10-16 22:49:35,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649921011] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:35,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:35,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:35,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666072761] [2021-10-16 22:49:35,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:35,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:35,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:35,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:35,032 INFO L87 Difference]: Start difference. First operand 2386 states and 4581 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:36,802 INFO L93 Difference]: Finished difference Result 3324 states and 6428 transitions. [2021-10-16 22:49:36,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:49:36,803 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:36,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:36,806 INFO L225 Difference]: With dead ends: 3324 [2021-10-16 22:49:36,806 INFO L226 Difference]: Without dead ends: 3324 [2021-10-16 22:49:36,807 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 801.9ms TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:49:36,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2021-10-16 22:49:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 2385. [2021-10-16 22:49:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2382 states have (on average 1.9223341729638959) internal successors, (4579), 2384 states have internal predecessors, (4579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 4579 transitions. [2021-10-16 22:49:36,828 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 4579 transitions. Word has length 139 [2021-10-16 22:49:36,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:36,828 INFO L470 AbstractCegarLoop]: Abstraction has 2385 states and 4579 transitions. [2021-10-16 22:49:36,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:36,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 4579 transitions. [2021-10-16 22:49:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:36,829 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:36,829 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:36,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-10-16 22:49:36,830 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:36,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1596390952, now seen corresponding path program 19 times [2021-10-16 22:49:36,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:36,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780800141] [2021-10-16 22:49:36,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:36,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:37,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:37,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780800141] [2021-10-16 22:49:37,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780800141] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:37,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:37,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:37,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107340866] [2021-10-16 22:49:37,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:37,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:37,088 INFO L87 Difference]: Start difference. First operand 2385 states and 4579 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:38,801 INFO L93 Difference]: Finished difference Result 3352 states and 6482 transitions. [2021-10-16 22:49:38,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:49:38,801 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:38,805 INFO L225 Difference]: With dead ends: 3352 [2021-10-16 22:49:38,805 INFO L226 Difference]: Without dead ends: 3352 [2021-10-16 22:49:38,806 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 727.5ms TimeCoverageRelationStatistics Valid=526, Invalid=3506, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:49:38,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-10-16 22:49:38,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 2384. [2021-10-16 22:49:38,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2381 states have (on average 1.9223015539689206) internal successors, (4577), 2383 states have internal predecessors, (4577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 4577 transitions. [2021-10-16 22:49:38,832 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 4577 transitions. Word has length 139 [2021-10-16 22:49:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:38,832 INFO L470 AbstractCegarLoop]: Abstraction has 2384 states and 4577 transitions. [2021-10-16 22:49:38,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4577 transitions. [2021-10-16 22:49:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:38,834 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:38,834 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:38,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-10-16 22:49:38,834 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:38,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash 100076, now seen corresponding path program 20 times [2021-10-16 22:49:38,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:38,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571470479] [2021-10-16 22:49:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:38,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:39,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:39,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571470479] [2021-10-16 22:49:39,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571470479] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:39,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:39,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:39,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86191230] [2021-10-16 22:49:39,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:39,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:39,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:39,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:39,104 INFO L87 Difference]: Start difference. First operand 2384 states and 4577 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:40,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:40,694 INFO L93 Difference]: Finished difference Result 3390 states and 6556 transitions. [2021-10-16 22:49:40,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-16 22:49:40,695 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:40,698 INFO L225 Difference]: With dead ends: 3390 [2021-10-16 22:49:40,698 INFO L226 Difference]: Without dead ends: 3390 [2021-10-16 22:49:40,699 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 724.4ms TimeCoverageRelationStatistics Valid=519, Invalid=3513, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:49:40,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2021-10-16 22:49:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 2371. [2021-10-16 22:49:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2368 states have (on average 1.921875) internal successors, (4551), 2370 states have internal predecessors, (4551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 4551 transitions. [2021-10-16 22:49:40,733 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 4551 transitions. Word has length 139 [2021-10-16 22:49:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:40,734 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 4551 transitions. [2021-10-16 22:49:40,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 4551 transitions. [2021-10-16 22:49:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:40,736 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:40,736 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:40,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-10-16 22:49:40,736 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:40,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:40,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2045174312, now seen corresponding path program 21 times [2021-10-16 22:49:40,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:40,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512087460] [2021-10-16 22:49:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:40,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:41,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:41,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:41,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512087460] [2021-10-16 22:49:41,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512087460] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:41,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:41,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:41,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946259683] [2021-10-16 22:49:41,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:41,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:41,076 INFO L87 Difference]: Start difference. First operand 2371 states and 4551 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:43,163 INFO L93 Difference]: Finished difference Result 4007 states and 7757 transitions. [2021-10-16 22:49:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:49:43,163 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:43,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:43,167 INFO L225 Difference]: With dead ends: 4007 [2021-10-16 22:49:43,167 INFO L226 Difference]: Without dead ends: 4007 [2021-10-16 22:49:43,168 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1256 ImplicationChecksByTransitivity, 1123.4ms TimeCoverageRelationStatistics Valid=743, Invalid=3813, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:49:43,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2021-10-16 22:49:43,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 2389. [2021-10-16 22:49:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 2386 states have (on average 1.9224643755238893) internal successors, (4587), 2388 states have internal predecessors, (4587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 4587 transitions. [2021-10-16 22:49:43,192 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 4587 transitions. Word has length 139 [2021-10-16 22:49:43,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:43,192 INFO L470 AbstractCegarLoop]: Abstraction has 2389 states and 4587 transitions. [2021-10-16 22:49:43,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 4587 transitions. [2021-10-16 22:49:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:43,193 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:43,193 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:43,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-10-16 22:49:43,194 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:43,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:43,194 INFO L82 PathProgramCache]: Analyzing trace with hash 221728620, now seen corresponding path program 22 times [2021-10-16 22:49:43,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:43,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305550085] [2021-10-16 22:49:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:43,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:43,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:43,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305550085] [2021-10-16 22:49:43,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305550085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:43,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:43,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:43,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171569377] [2021-10-16 22:49:43,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:43,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:43,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:43,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:43,550 INFO L87 Difference]: Start difference. First operand 2389 states and 4587 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:45,894 INFO L93 Difference]: Finished difference Result 4044 states and 7829 transitions. [2021-10-16 22:49:45,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:49:45,894 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:45,898 INFO L225 Difference]: With dead ends: 4044 [2021-10-16 22:49:45,898 INFO L226 Difference]: Without dead ends: 4044 [2021-10-16 22:49:45,898 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454 ImplicationChecksByTransitivity, 1318.1ms TimeCoverageRelationStatistics Valid=813, Invalid=4299, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:49:45,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4044 states. [2021-10-16 22:49:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4044 to 2383. [2021-10-16 22:49:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2380 states have (on average 1.9222689075630253) internal successors, (4575), 2382 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 4575 transitions. [2021-10-16 22:49:45,920 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 4575 transitions. Word has length 139 [2021-10-16 22:49:45,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:45,920 INFO L470 AbstractCegarLoop]: Abstraction has 2383 states and 4575 transitions. [2021-10-16 22:49:45,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4575 transitions. [2021-10-16 22:49:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:45,921 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:45,921 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:45,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-10-16 22:49:45,922 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:45,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1786745880, now seen corresponding path program 23 times [2021-10-16 22:49:45,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:45,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347881113] [2021-10-16 22:49:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:45,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:46,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:46,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347881113] [2021-10-16 22:49:46,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347881113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:46,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:46,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:46,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130565834] [2021-10-16 22:49:46,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:46,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:46,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:46,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:46,241 INFO L87 Difference]: Start difference. First operand 2383 states and 4575 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:48,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:48,700 INFO L93 Difference]: Finished difference Result 4109 states and 7955 transitions. [2021-10-16 22:49:48,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:49:48,700 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:48,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:48,704 INFO L225 Difference]: With dead ends: 4109 [2021-10-16 22:49:48,705 INFO L226 Difference]: Without dead ends: 4109 [2021-10-16 22:49:48,705 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1558 ImplicationChecksByTransitivity, 1273.1ms TimeCoverageRelationStatistics Valid=829, Invalid=4573, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:49:48,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2021-10-16 22:49:48,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 2377. [2021-10-16 22:49:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 2374 states have (on average 1.922072451558551) internal successors, (4563), 2376 states have internal predecessors, (4563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 4563 transitions. [2021-10-16 22:49:48,728 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 4563 transitions. Word has length 139 [2021-10-16 22:49:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:48,728 INFO L470 AbstractCegarLoop]: Abstraction has 2377 states and 4563 transitions. [2021-10-16 22:49:48,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 4563 transitions. [2021-10-16 22:49:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:48,730 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:48,730 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:48,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-10-16 22:49:48,730 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:48,730 INFO L82 PathProgramCache]: Analyzing trace with hash -911730388, now seen corresponding path program 24 times [2021-10-16 22:49:48,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:48,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058520813] [2021-10-16 22:49:48,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:48,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:49,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:49,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058520813] [2021-10-16 22:49:49,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058520813] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:49,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:49,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:49,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678303766] [2021-10-16 22:49:49,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:49,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:49,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:49,116 INFO L87 Difference]: Start difference. First operand 2377 states and 4563 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:51,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:51,503 INFO L93 Difference]: Finished difference Result 4165 states and 8064 transitions. [2021-10-16 22:49:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:49:51,503 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:51,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:51,508 INFO L225 Difference]: With dead ends: 4165 [2021-10-16 22:49:51,508 INFO L226 Difference]: Without dead ends: 4165 [2021-10-16 22:49:51,508 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1328.8ms TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:49:51,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2021-10-16 22:49:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 2311. [2021-10-16 22:49:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 2308 states have (on average 1.919844020797227) internal successors, (4431), 2310 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 22:49:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 4431 transitions. [2021-10-16 22:49:51,531 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 4431 transitions. Word has length 139 [2021-10-16 22:49:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:51,531 INFO L470 AbstractCegarLoop]: Abstraction has 2311 states and 4431 transitions. [2021-10-16 22:49:51,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4431 transitions. [2021-10-16 22:49:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:51,533 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:51,533 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:51,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-10-16 22:49:51,533 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:51,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1332703398, now seen corresponding path program 25 times [2021-10-16 22:49:51,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:51,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968118398] [2021-10-16 22:49:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:51,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:51,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:51,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:51,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968118398] [2021-10-16 22:49:51,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968118398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:51,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:51,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:49:51,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830964338] [2021-10-16 22:49:51,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:49:51,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:51,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:49:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:49:51,863 INFO L87 Difference]: Start difference. First operand 2311 states and 4431 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:53,761 INFO L93 Difference]: Finished difference Result 4687 states and 9021 transitions. [2021-10-16 22:49:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-10-16 22:49:53,761 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:53,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:53,766 INFO L225 Difference]: With dead ends: 4687 [2021-10-16 22:49:53,766 INFO L226 Difference]: Without dead ends: 4687 [2021-10-16 22:49:53,767 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1857 ImplicationChecksByTransitivity, 898.4ms TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:49:53,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2021-10-16 22:49:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 2331. [2021-10-16 22:49:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 2328 states have (on average 1.92053264604811) internal successors, (4471), 2330 states have internal predecessors, (4471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 4471 transitions. [2021-10-16 22:49:53,791 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 4471 transitions. Word has length 139 [2021-10-16 22:49:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:53,791 INFO L470 AbstractCegarLoop]: Abstraction has 2331 states and 4471 transitions. [2021-10-16 22:49:53,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 4471 transitions. [2021-10-16 22:49:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:53,793 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:53,793 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:53,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-10-16 22:49:53,793 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:53,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:53,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1037722784, now seen corresponding path program 26 times [2021-10-16 22:49:53,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:53,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063107265] [2021-10-16 22:49:53,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:53,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:54,161 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 22:49:54,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:54,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063107265] [2021-10-16 22:49:54,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063107265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:54,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:54,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:49:54,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585262091] [2021-10-16 22:49:54,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:49:54,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:49:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:49:54,163 INFO L87 Difference]: Start difference. First operand 2331 states and 4471 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:56,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:56,655 INFO L93 Difference]: Finished difference Result 5545 states and 10721 transitions. [2021-10-16 22:49:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-10-16 22:49:56,655 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:56,660 INFO L225 Difference]: With dead ends: 5545 [2021-10-16 22:49:56,660 INFO L226 Difference]: Without dead ends: 5545 [2021-10-16 22:49:56,661 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2123 ImplicationChecksByTransitivity, 1261.4ms TimeCoverageRelationStatistics Valid=978, Invalid=5994, Unknown=0, NotChecked=0, Total=6972 [2021-10-16 22:49:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5545 states. [2021-10-16 22:49:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5545 to 2433. [2021-10-16 22:49:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2430 states have (on average 1.9238683127572016) internal successors, (4675), 2432 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 4675 transitions. [2021-10-16 22:49:56,690 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 4675 transitions. Word has length 139 [2021-10-16 22:49:56,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:56,690 INFO L470 AbstractCegarLoop]: Abstraction has 2433 states and 4675 transitions. [2021-10-16 22:49:56,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 4675 transitions. [2021-10-16 22:49:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:56,691 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:56,691 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:56,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-10-16 22:49:56,692 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:56,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:56,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1810830296, now seen corresponding path program 27 times [2021-10-16 22:49:56,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:56,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204902652] [2021-10-16 22:49:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:56,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:56,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:56,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204902652] [2021-10-16 22:49:56,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204902652] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:56,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:56,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:56,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143184002] [2021-10-16 22:49:56,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:56,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:56,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:56,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:56,994 INFO L87 Difference]: Start difference. First operand 2433 states and 4675 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:49:58,468 INFO L93 Difference]: Finished difference Result 3342 states and 6466 transitions. [2021-10-16 22:49:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:49:58,468 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:49:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:49:58,472 INFO L225 Difference]: With dead ends: 3342 [2021-10-16 22:49:58,472 INFO L226 Difference]: Without dead ends: 3342 [2021-10-16 22:49:58,472 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1003 ImplicationChecksByTransitivity, 711.7ms TimeCoverageRelationStatistics Valid=561, Invalid=3221, Unknown=0, NotChecked=0, Total=3782 [2021-10-16 22:49:58,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2021-10-16 22:49:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 2436. [2021-10-16 22:49:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2436 states, 2433 states have (on average 1.9239621866009042) internal successors, (4681), 2435 states have internal predecessors, (4681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2436 states and 4681 transitions. [2021-10-16 22:49:58,496 INFO L78 Accepts]: Start accepts. Automaton has 2436 states and 4681 transitions. Word has length 139 [2021-10-16 22:49:58,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:49:58,496 INFO L470 AbstractCegarLoop]: Abstraction has 2436 states and 4681 transitions. [2021-10-16 22:49:58,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:49:58,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 4681 transitions. [2021-10-16 22:49:58,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:49:58,497 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:49:58,497 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:49:58,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-10-16 22:49:58,498 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:49:58,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:49:58,498 INFO L82 PathProgramCache]: Analyzing trace with hash -217234068, now seen corresponding path program 28 times [2021-10-16 22:49:58,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:49:58,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831072941] [2021-10-16 22:49:58,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:49:58,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:49:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:49:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:49:58,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:49:58,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831072941] [2021-10-16 22:49:58,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831072941] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:49:58,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:49:58,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:49:58,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11396017] [2021-10-16 22:49:58,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:49:58,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:49:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:49:58,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:49:58,751 INFO L87 Difference]: Start difference. First operand 2436 states and 4681 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:00,456 INFO L93 Difference]: Finished difference Result 3380 states and 6540 transitions. [2021-10-16 22:50:00,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:50:00,456 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:00,460 INFO L225 Difference]: With dead ends: 3380 [2021-10-16 22:50:00,460 INFO L226 Difference]: Without dead ends: 3380 [2021-10-16 22:50:00,460 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1090 ImplicationChecksByTransitivity, 761.5ms TimeCoverageRelationStatistics Valid=579, Invalid=3453, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:50:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2021-10-16 22:50:00,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 2435. [2021-10-16 22:50:00,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2432 states have (on average 1.9239309210526316) internal successors, (4679), 2434 states have internal predecessors, (4679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 4679 transitions. [2021-10-16 22:50:00,481 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 4679 transitions. Word has length 139 [2021-10-16 22:50:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:00,481 INFO L470 AbstractCegarLoop]: Abstraction has 2435 states and 4679 transitions. [2021-10-16 22:50:00,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 4679 transitions. [2021-10-16 22:50:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:00,483 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:00,483 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:00,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-10-16 22:50:00,483 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1347783192, now seen corresponding path program 29 times [2021-10-16 22:50:00,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:00,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928849587] [2021-10-16 22:50:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:00,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:00,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:00,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928849587] [2021-10-16 22:50:00,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928849587] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:00,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:00,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:00,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087137502] [2021-10-16 22:50:00,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:00,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:00,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:00,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:00,792 INFO L87 Difference]: Start difference. First operand 2435 states and 4679 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:02,524 INFO L93 Difference]: Finished difference Result 3408 states and 6594 transitions. [2021-10-16 22:50:02,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:50:02,525 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:02,529 INFO L225 Difference]: With dead ends: 3408 [2021-10-16 22:50:02,529 INFO L226 Difference]: Without dead ends: 3408 [2021-10-16 22:50:02,529 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1094 ImplicationChecksByTransitivity, 778.8ms TimeCoverageRelationStatistics Valid=563, Invalid=3469, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:50:02,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2021-10-16 22:50:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 2434. [2021-10-16 22:50:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2431 states have (on average 1.9238996297819828) internal successors, (4677), 2433 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 4677 transitions. [2021-10-16 22:50:02,552 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 4677 transitions. Word has length 139 [2021-10-16 22:50:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:02,552 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 4677 transitions. [2021-10-16 22:50:02,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4677 transitions. [2021-10-16 22:50:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:02,563 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:02,563 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:02,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-10-16 22:50:02,564 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:02,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:02,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1350693076, now seen corresponding path program 30 times [2021-10-16 22:50:02,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:02,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629140183] [2021-10-16 22:50:02,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:02,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:02,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:02,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629140183] [2021-10-16 22:50:02,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629140183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:02,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:02,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:02,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387757723] [2021-10-16 22:50:02,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:02,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:02,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:02,858 INFO L87 Difference]: Start difference. First operand 2434 states and 4677 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:04,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:04,806 INFO L93 Difference]: Finished difference Result 3446 states and 6668 transitions. [2021-10-16 22:50:04,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-16 22:50:04,811 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:04,814 INFO L225 Difference]: With dead ends: 3446 [2021-10-16 22:50:04,815 INFO L226 Difference]: Without dead ends: 3446 [2021-10-16 22:50:04,815 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 767.7ms TimeCoverageRelationStatistics Valid=555, Invalid=3477, Unknown=0, NotChecked=0, Total=4032 [2021-10-16 22:50:04,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2021-10-16 22:50:04,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 2421. [2021-10-16 22:50:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2421 states, 2418 states have (on average 1.923490488006617) internal successors, (4651), 2420 states have internal predecessors, (4651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:04,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 2421 states and 4651 transitions. [2021-10-16 22:50:04,835 INFO L78 Accepts]: Start accepts. Automaton has 2421 states and 4651 transitions. Word has length 139 [2021-10-16 22:50:04,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:04,835 INFO L470 AbstractCegarLoop]: Abstraction has 2421 states and 4651 transitions. [2021-10-16 22:50:04,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:04,835 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 4651 transitions. [2021-10-16 22:50:04,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:04,837 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:04,837 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:04,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-10-16 22:50:04,837 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:04,837 INFO L82 PathProgramCache]: Analyzing trace with hash 898999832, now seen corresponding path program 31 times [2021-10-16 22:50:04,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:04,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129127389] [2021-10-16 22:50:04,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:04,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:05,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:05,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129127389] [2021-10-16 22:50:05,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129127389] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:05,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:05,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:05,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400951347] [2021-10-16 22:50:05,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:05,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:05,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:05,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:05,224 INFO L87 Difference]: Start difference. First operand 2421 states and 4651 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:07,366 INFO L93 Difference]: Finished difference Result 4063 states and 7869 transitions. [2021-10-16 22:50:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-10-16 22:50:07,366 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:07,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:07,370 INFO L225 Difference]: With dead ends: 4063 [2021-10-16 22:50:07,371 INFO L226 Difference]: Without dead ends: 4063 [2021-10-16 22:50:07,371 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 1214.1ms TimeCoverageRelationStatistics Valid=735, Invalid=3821, Unknown=0, NotChecked=0, Total=4556 [2021-10-16 22:50:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2021-10-16 22:50:07,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 2439. [2021-10-16 22:50:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2436 states have (on average 1.924055829228243) internal successors, (4687), 2438 states have internal predecessors, (4687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 4687 transitions. [2021-10-16 22:50:07,395 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 4687 transitions. Word has length 139 [2021-10-16 22:50:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:07,395 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 4687 transitions. [2021-10-16 22:50:07,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 4687 transitions. [2021-10-16 22:50:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:07,397 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:07,397 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:07,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-10-16 22:50:07,397 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:07,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:07,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1129064532, now seen corresponding path program 32 times [2021-10-16 22:50:07,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:07,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158548356] [2021-10-16 22:50:07,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:07,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:07,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:07,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158548356] [2021-10-16 22:50:07,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158548356] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:07,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:07,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:07,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027527881] [2021-10-16 22:50:07,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:07,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:07,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:07,708 INFO L87 Difference]: Start difference. First operand 2439 states and 4687 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:09,874 INFO L93 Difference]: Finished difference Result 4100 states and 7941 transitions. [2021-10-16 22:50:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:50:09,874 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:09,878 INFO L225 Difference]: With dead ends: 4100 [2021-10-16 22:50:09,878 INFO L226 Difference]: Without dead ends: 4100 [2021-10-16 22:50:09,878 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 1254.0ms TimeCoverageRelationStatistics Valid=794, Invalid=4318, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:50:09,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4100 states. [2021-10-16 22:50:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4100 to 2433. [2021-10-16 22:50:09,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2433 states, 2430 states have (on average 1.9238683127572016) internal successors, (4675), 2432 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 4675 transitions. [2021-10-16 22:50:09,900 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 4675 transitions. Word has length 139 [2021-10-16 22:50:09,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:09,900 INFO L470 AbstractCegarLoop]: Abstraction has 2433 states and 4675 transitions. [2021-10-16 22:50:09,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 4675 transitions. [2021-10-16 22:50:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:09,902 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:09,902 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:09,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-10-16 22:50:09,902 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:09,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash 435952728, now seen corresponding path program 33 times [2021-10-16 22:50:09,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:09,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911195581] [2021-10-16 22:50:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:09,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:10,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:10,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911195581] [2021-10-16 22:50:10,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911195581] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:10,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:10,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:10,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360642110] [2021-10-16 22:50:10,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:10,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:10,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:10,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:10,216 INFO L87 Difference]: Start difference. First operand 2433 states and 4675 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:12,736 INFO L93 Difference]: Finished difference Result 4165 states and 8067 transitions. [2021-10-16 22:50:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-10-16 22:50:12,736 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:12,741 INFO L225 Difference]: With dead ends: 4165 [2021-10-16 22:50:12,741 INFO L226 Difference]: Without dead ends: 4165 [2021-10-16 22:50:12,742 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 1246.0ms TimeCoverageRelationStatistics Valid=803, Invalid=4599, Unknown=0, NotChecked=0, Total=5402 [2021-10-16 22:50:12,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2021-10-16 22:50:12,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 2427. [2021-10-16 22:50:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2424 states have (on average 1.9236798679867986) internal successors, (4663), 2426 states have internal predecessors, (4663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 4663 transitions. [2021-10-16 22:50:12,780 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 4663 transitions. Word has length 139 [2021-10-16 22:50:12,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:12,780 INFO L470 AbstractCegarLoop]: Abstraction has 2427 states and 4663 transitions. [2021-10-16 22:50:12,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 4663 transitions. [2021-10-16 22:50:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:12,781 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:12,782 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:12,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-10-16 22:50:12,782 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:12,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:12,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2032443756, now seen corresponding path program 34 times [2021-10-16 22:50:12,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:12,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71718514] [2021-10-16 22:50:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:12,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:13,118 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 22:50:13,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:13,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71718514] [2021-10-16 22:50:13,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71718514] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:13,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:13,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:13,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153682450] [2021-10-16 22:50:13,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:13,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:13,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:13,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:13,119 INFO L87 Difference]: Start difference. First operand 2427 states and 4663 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:15,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:15,569 INFO L93 Difference]: Finished difference Result 4221 states and 8176 transitions. [2021-10-16 22:50:15,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-10-16 22:50:15,570 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:15,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:15,574 INFO L225 Difference]: With dead ends: 4221 [2021-10-16 22:50:15,574 INFO L226 Difference]: Without dead ends: 4221 [2021-10-16 22:50:15,575 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1670 ImplicationChecksByTransitivity, 1248.7ms TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:50:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4221 states. [2021-10-16 22:50:15,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4221 to 2361. [2021-10-16 22:50:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2361 states, 2358 states have (on average 1.9215436810856659) internal successors, (4531), 2360 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 4531 transitions. [2021-10-16 22:50:15,599 INFO L78 Accepts]: Start accepts. Automaton has 2361 states and 4531 transitions. Word has length 139 [2021-10-16 22:50:15,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:15,599 INFO L470 AbstractCegarLoop]: Abstraction has 2361 states and 4531 transitions. [2021-10-16 22:50:15,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 4531 transitions. [2021-10-16 22:50:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:15,600 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:15,601 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:15,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-10-16 22:50:15,601 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:15,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1611470746, now seen corresponding path program 35 times [2021-10-16 22:50:15,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:15,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122586434] [2021-10-16 22:50:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:15,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:15,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:15,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122586434] [2021-10-16 22:50:15,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122586434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:15,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:15,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:50:15,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805438193] [2021-10-16 22:50:15,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:50:15,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:15,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:50:15,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:50:15,947 INFO L87 Difference]: Start difference. First operand 2361 states and 4531 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:18,050 INFO L93 Difference]: Finished difference Result 5279 states and 10195 transitions. [2021-10-16 22:50:18,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-10-16 22:50:18,051 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:18,055 INFO L225 Difference]: With dead ends: 5279 [2021-10-16 22:50:18,055 INFO L226 Difference]: Without dead ends: 5279 [2021-10-16 22:50:18,056 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2289 ImplicationChecksByTransitivity, 1011.8ms TimeCoverageRelationStatistics Valid=803, Invalid=6337, Unknown=0, NotChecked=0, Total=7140 [2021-10-16 22:50:18,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2021-10-16 22:50:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 2349. [2021-10-16 22:50:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2346 states have (on average 1.921142369991475) internal successors, (4507), 2348 states have internal predecessors, (4507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:18,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 4507 transitions. [2021-10-16 22:50:18,080 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 4507 transitions. Word has length 139 [2021-10-16 22:50:18,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:18,080 INFO L470 AbstractCegarLoop]: Abstraction has 2349 states and 4507 transitions. [2021-10-16 22:50:18,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 4507 transitions. [2021-10-16 22:50:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:18,081 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:18,082 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:18,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-10-16 22:50:18,082 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:18,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:18,082 INFO L82 PathProgramCache]: Analyzing trace with hash -428622600, now seen corresponding path program 36 times [2021-10-16 22:50:18,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:18,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190543612] [2021-10-16 22:50:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:18,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:18,352 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 22:50:18,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:18,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190543612] [2021-10-16 22:50:18,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190543612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:18,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:18,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:50:18,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018253214] [2021-10-16 22:50:18,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:50:18,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:18,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:50:18,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:50:18,353 INFO L87 Difference]: Start difference. First operand 2349 states and 4507 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:20,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:20,329 INFO L93 Difference]: Finished difference Result 4800 states and 9242 transitions. [2021-10-16 22:50:20,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-16 22:50:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:20,334 INFO L225 Difference]: With dead ends: 4800 [2021-10-16 22:50:20,334 INFO L226 Difference]: Without dead ends: 4800 [2021-10-16 22:50:20,334 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2181 ImplicationChecksByTransitivity, 943.2ms TimeCoverageRelationStatistics Valid=791, Invalid=6015, Unknown=0, NotChecked=0, Total=6806 [2021-10-16 22:50:20,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2021-10-16 22:50:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 2379. [2021-10-16 22:50:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2379 states, 2376 states have (on average 1.9221380471380471) internal successors, (4567), 2378 states have internal predecessors, (4567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2379 states and 4567 transitions. [2021-10-16 22:50:20,359 INFO L78 Accepts]: Start accepts. Automaton has 2379 states and 4567 transitions. Word has length 139 [2021-10-16 22:50:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:20,359 INFO L470 AbstractCegarLoop]: Abstraction has 2379 states and 4567 transitions. [2021-10-16 22:50:20,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 4567 transitions. [2021-10-16 22:50:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:20,360 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:20,360 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:20,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-10-16 22:50:20,360 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:20,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1162031330, now seen corresponding path program 37 times [2021-10-16 22:50:20,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:20,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111692863] [2021-10-16 22:50:20,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:20,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:20,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:20,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111692863] [2021-10-16 22:50:20,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111692863] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:20,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:20,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:20,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762809163] [2021-10-16 22:50:20,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:20,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:20,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:20,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:20,650 INFO L87 Difference]: Start difference. First operand 2379 states and 4567 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:22,431 INFO L93 Difference]: Finished difference Result 4883 states and 9485 transitions. [2021-10-16 22:50:22,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-10-16 22:50:22,431 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:22,436 INFO L225 Difference]: With dead ends: 4883 [2021-10-16 22:50:22,436 INFO L226 Difference]: Without dead ends: 4883 [2021-10-16 22:50:22,437 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 964 ImplicationChecksByTransitivity, 859.0ms TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2021-10-16 22:50:22,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2021-10-16 22:50:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 2487. [2021-10-16 22:50:22,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2484 states have (on average 1.9255233494363928) internal successors, (4783), 2486 states have internal predecessors, (4783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 4783 transitions. [2021-10-16 22:50:22,464 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 4783 transitions. Word has length 139 [2021-10-16 22:50:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:22,465 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 4783 transitions. [2021-10-16 22:50:22,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 4783 transitions. [2021-10-16 22:50:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:22,466 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:22,466 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:22,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-10-16 22:50:22,466 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:22,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:22,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1686521750, now seen corresponding path program 38 times [2021-10-16 22:50:22,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:22,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635122972] [2021-10-16 22:50:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:22,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:22,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:22,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635122972] [2021-10-16 22:50:22,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635122972] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:22,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:22,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:22,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228878770] [2021-10-16 22:50:22,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:22,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:22,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:22,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:22,741 INFO L87 Difference]: Start difference. First operand 2487 states and 4783 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:23,936 INFO L93 Difference]: Finished difference Result 2976 states and 5748 transitions. [2021-10-16 22:50:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:50:23,937 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:23,940 INFO L225 Difference]: With dead ends: 2976 [2021-10-16 22:50:23,940 INFO L226 Difference]: Without dead ends: 2976 [2021-10-16 22:50:23,940 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 562.1ms TimeCoverageRelationStatistics Valid=421, Invalid=2335, Unknown=0, NotChecked=0, Total=2756 [2021-10-16 22:50:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2021-10-16 22:50:23,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2490. [2021-10-16 22:50:23,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2490 states, 2487 states have (on average 1.9256131885806191) internal successors, (4789), 2489 states have internal predecessors, (4789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 4789 transitions. [2021-10-16 22:50:23,961 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 4789 transitions. Word has length 139 [2021-10-16 22:50:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:23,961 INFO L470 AbstractCegarLoop]: Abstraction has 2490 states and 4789 transitions. [2021-10-16 22:50:23,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4789 transitions. [2021-10-16 22:50:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:23,963 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:23,963 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:23,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-10-16 22:50:23,963 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:23,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:23,963 INFO L82 PathProgramCache]: Analyzing trace with hash -341542614, now seen corresponding path program 39 times [2021-10-16 22:50:23,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:23,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669405771] [2021-10-16 22:50:23,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:23,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:24,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:24,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669405771] [2021-10-16 22:50:24,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669405771] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:24,214 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:24,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:24,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858188435] [2021-10-16 22:50:24,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:24,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:24,215 INFO L87 Difference]: Start difference. First operand 2490 states and 4789 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:25,648 INFO L93 Difference]: Finished difference Result 3014 states and 5822 transitions. [2021-10-16 22:50:25,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-16 22:50:25,649 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:25,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:25,652 INFO L225 Difference]: With dead ends: 3014 [2021-10-16 22:50:25,652 INFO L226 Difference]: Without dead ends: 3014 [2021-10-16 22:50:25,653 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 642.5ms TimeCoverageRelationStatistics Valid=438, Invalid=2532, Unknown=0, NotChecked=0, Total=2970 [2021-10-16 22:50:25,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2021-10-16 22:50:25,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 2489. [2021-10-16 22:50:25,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2489 states, 2486 states have (on average 1.9255832662912309) internal successors, (4787), 2488 states have internal predecessors, (4787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2489 states and 4787 transitions. [2021-10-16 22:50:25,675 INFO L78 Accepts]: Start accepts. Automaton has 2489 states and 4787 transitions. Word has length 139 [2021-10-16 22:50:25,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:25,675 INFO L470 AbstractCegarLoop]: Abstraction has 2489 states and 4787 transitions. [2021-10-16 22:50:25,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 4787 transitions. [2021-10-16 22:50:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:25,677 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:25,677 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:25,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-10-16 22:50:25,677 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:25,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:25,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1223474646, now seen corresponding path program 40 times [2021-10-16 22:50:25,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:25,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516058571] [2021-10-16 22:50:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:25,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:25,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:25,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516058571] [2021-10-16 22:50:25,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516058571] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:25,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:25,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:25,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858527938] [2021-10-16 22:50:25,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:25,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:25,980 INFO L87 Difference]: Start difference. First operand 2489 states and 4787 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:27,329 INFO L93 Difference]: Finished difference Result 3042 states and 5876 transitions. [2021-10-16 22:50:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-16 22:50:27,329 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:27,332 INFO L225 Difference]: With dead ends: 3042 [2021-10-16 22:50:27,332 INFO L226 Difference]: Without dead ends: 3042 [2021-10-16 22:50:27,333 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 668.1ms TimeCoverageRelationStatistics Valid=424, Invalid=2546, Unknown=0, NotChecked=0, Total=2970 [2021-10-16 22:50:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2021-10-16 22:50:27,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 2488. [2021-10-16 22:50:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2485 states have (on average 1.9255533199195172) internal successors, (4785), 2487 states have internal predecessors, (4785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 4785 transitions. [2021-10-16 22:50:27,354 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 4785 transitions. Word has length 139 [2021-10-16 22:50:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:27,354 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 4785 transitions. [2021-10-16 22:50:27,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 4785 transitions. [2021-10-16 22:50:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:27,355 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:27,356 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:27,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-10-16 22:50:27,356 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:27,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1475001622, now seen corresponding path program 41 times [2021-10-16 22:50:27,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:27,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173495038] [2021-10-16 22:50:27,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:27,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:27,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:27,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173495038] [2021-10-16 22:50:27,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173495038] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:27,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:27,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:27,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710526575] [2021-10-16 22:50:27,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:27,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:27,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:27,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:27,623 INFO L87 Difference]: Start difference. First operand 2488 states and 4785 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:29,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:29,119 INFO L93 Difference]: Finished difference Result 3080 states and 5950 transitions. [2021-10-16 22:50:29,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-10-16 22:50:29,120 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:29,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:29,123 INFO L225 Difference]: With dead ends: 3080 [2021-10-16 22:50:29,123 INFO L226 Difference]: Without dead ends: 3080 [2021-10-16 22:50:29,124 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 634.5ms TimeCoverageRelationStatistics Valid=418, Invalid=2552, Unknown=0, NotChecked=0, Total=2970 [2021-10-16 22:50:29,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2021-10-16 22:50:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 2475. [2021-10-16 22:50:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2472 states have (on average 1.9251618122977345) internal successors, (4759), 2474 states have internal predecessors, (4759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 4759 transitions. [2021-10-16 22:50:29,145 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 4759 transitions. Word has length 139 [2021-10-16 22:50:29,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:29,145 INFO L470 AbstractCegarLoop]: Abstraction has 2475 states and 4759 transitions. [2021-10-16 22:50:29,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 4759 transitions. [2021-10-16 22:50:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:29,146 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:29,147 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:29,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-10-16 22:50:29,147 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:29,147 INFO L82 PathProgramCache]: Analyzing trace with hash 774691286, now seen corresponding path program 42 times [2021-10-16 22:50:29,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:29,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701090600] [2021-10-16 22:50:29,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:29,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:29,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:29,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701090600] [2021-10-16 22:50:29,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701090600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:29,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:29,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:29,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740364414] [2021-10-16 22:50:29,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:29,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:29,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:29,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:29,500 INFO L87 Difference]: Start difference. First operand 2475 states and 4759 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:30,978 INFO L93 Difference]: Finished difference Result 3545 states and 6885 transitions. [2021-10-16 22:50:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-10-16 22:50:30,979 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:30,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:30,995 INFO L225 Difference]: With dead ends: 3545 [2021-10-16 22:50:30,995 INFO L226 Difference]: Without dead ends: 3545 [2021-10-16 22:50:30,995 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 926.5ms TimeCoverageRelationStatistics Valid=523, Invalid=2557, Unknown=0, NotChecked=0, Total=3080 [2021-10-16 22:50:30,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3545 states. [2021-10-16 22:50:31,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3545 to 2493. [2021-10-16 22:50:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 2490 states have (on average 1.9257028112449799) internal successors, (4795), 2492 states have internal predecessors, (4795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 4795 transitions. [2021-10-16 22:50:31,016 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 4795 transitions. Word has length 139 [2021-10-16 22:50:31,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:31,016 INFO L470 AbstractCegarLoop]: Abstraction has 2493 states and 4795 transitions. [2021-10-16 22:50:31,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:31,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 4795 transitions. [2021-10-16 22:50:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:31,017 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:31,018 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:31,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-10-16 22:50:31,018 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:31,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:31,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1253373078, now seen corresponding path program 43 times [2021-10-16 22:50:31,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:31,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117084030] [2021-10-16 22:50:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:31,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:31,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:31,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117084030] [2021-10-16 22:50:31,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117084030] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:31,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:31,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:31,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171744897] [2021-10-16 22:50:31,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:31,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:31,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:31,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:31,341 INFO L87 Difference]: Start difference. First operand 2493 states and 4795 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:33,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:33,320 INFO L93 Difference]: Finished difference Result 3582 states and 6957 transitions. [2021-10-16 22:50:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-10-16 22:50:33,320 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:33,324 INFO L225 Difference]: With dead ends: 3582 [2021-10-16 22:50:33,324 INFO L226 Difference]: Without dead ends: 3582 [2021-10-16 22:50:33,324 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1014.2ms TimeCoverageRelationStatistics Valid=561, Invalid=2861, Unknown=0, NotChecked=0, Total=3422 [2021-10-16 22:50:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2021-10-16 22:50:33,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 2487. [2021-10-16 22:50:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2484 states have (on average 1.9255233494363928) internal successors, (4783), 2486 states have internal predecessors, (4783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 4783 transitions. [2021-10-16 22:50:33,346 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 4783 transitions. Word has length 139 [2021-10-16 22:50:33,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:33,347 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 4783 transitions. [2021-10-16 22:50:33,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:33,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 4783 transitions. [2021-10-16 22:50:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:33,348 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:33,348 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:33,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-10-16 22:50:33,348 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash 311644182, now seen corresponding path program 44 times [2021-10-16 22:50:33,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:33,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518889622] [2021-10-16 22:50:33,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:33,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:33,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:33,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518889622] [2021-10-16 22:50:33,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518889622] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:33,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:33,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:33,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631408003] [2021-10-16 22:50:33,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:33,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:33,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:33,660 INFO L87 Difference]: Start difference. First operand 2487 states and 4783 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:35,582 INFO L93 Difference]: Finished difference Result 3647 states and 7083 transitions. [2021-10-16 22:50:35,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-10-16 22:50:35,583 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:35,586 INFO L225 Difference]: With dead ends: 3647 [2021-10-16 22:50:35,586 INFO L226 Difference]: Without dead ends: 3647 [2021-10-16 22:50:35,587 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 996.4ms TimeCoverageRelationStatistics Valid=554, Invalid=2986, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:50:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2021-10-16 22:50:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 2481. [2021-10-16 22:50:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2481 states, 2478 states have (on average 1.9253430185633575) internal successors, (4771), 2480 states have internal predecessors, (4771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 2481 states and 4771 transitions. [2021-10-16 22:50:35,610 INFO L78 Accepts]: Start accepts. Automaton has 2481 states and 4771 transitions. Word has length 139 [2021-10-16 22:50:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:35,610 INFO L470 AbstractCegarLoop]: Abstraction has 2481 states and 4771 transitions. [2021-10-16 22:50:35,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4771 transitions. [2021-10-16 22:50:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:35,612 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:35,612 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:35,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-10-16 22:50:35,612 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:35,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:35,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1908135210, now seen corresponding path program 45 times [2021-10-16 22:50:35,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:35,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377571381] [2021-10-16 22:50:35,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:35,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:35,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:35,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377571381] [2021-10-16 22:50:35,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377571381] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:35,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:35,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:35,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042586210] [2021-10-16 22:50:35,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:35,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:35,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:35,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:35,938 INFO L87 Difference]: Start difference. First operand 2481 states and 4771 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:37,745 INFO L93 Difference]: Finished difference Result 3703 states and 7192 transitions. [2021-10-16 22:50:37,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-16 22:50:37,745 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:37,749 INFO L225 Difference]: With dead ends: 3703 [2021-10-16 22:50:37,749 INFO L226 Difference]: Without dead ends: 3703 [2021-10-16 22:50:37,749 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 960.5ms TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2021-10-16 22:50:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3703 states. [2021-10-16 22:50:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3703 to 2415. [2021-10-16 22:50:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2415 states, 2412 states have (on average 1.9233001658374793) internal successors, (4639), 2414 states have internal predecessors, (4639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 4639 transitions. [2021-10-16 22:50:37,770 INFO L78 Accepts]: Start accepts. Automaton has 2415 states and 4639 transitions. Word has length 139 [2021-10-16 22:50:37,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:37,770 INFO L470 AbstractCegarLoop]: Abstraction has 2415 states and 4639 transitions. [2021-10-16 22:50:37,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 4639 transitions. [2021-10-16 22:50:37,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:37,771 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:37,771 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:37,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-10-16 22:50:37,772 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:37,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:37,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1487162200, now seen corresponding path program 46 times [2021-10-16 22:50:37,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:37,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401503734] [2021-10-16 22:50:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:37,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:38,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:38,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401503734] [2021-10-16 22:50:38,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401503734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:38,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:38,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:50:38,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302676731] [2021-10-16 22:50:38,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:50:38,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:38,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:50:38,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:50:38,052 INFO L87 Difference]: Start difference. First operand 2415 states and 4639 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:39,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:39,818 INFO L93 Difference]: Finished difference Result 4913 states and 9477 transitions. [2021-10-16 22:50:39,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-10-16 22:50:39,818 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:39,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:39,824 INFO L225 Difference]: With dead ends: 4913 [2021-10-16 22:50:39,824 INFO L226 Difference]: Without dead ends: 4913 [2021-10-16 22:50:39,824 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1492 ImplicationChecksByTransitivity, 816.8ms TimeCoverageRelationStatistics Valid=617, Invalid=4495, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:50:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4913 states. [2021-10-16 22:50:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4913 to 2403. [2021-10-16 22:50:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2403 states, 2400 states have (on average 1.9229166666666666) internal successors, (4615), 2402 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 22:50:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2403 states and 4615 transitions. [2021-10-16 22:50:39,855 INFO L78 Accepts]: Start accepts. Automaton has 2403 states and 4615 transitions. Word has length 139 [2021-10-16 22:50:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:39,855 INFO L470 AbstractCegarLoop]: Abstraction has 2403 states and 4615 transitions. [2021-10-16 22:50:39,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 4615 transitions. [2021-10-16 22:50:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:39,857 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:39,857 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:39,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-10-16 22:50:39,857 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:39,857 INFO L82 PathProgramCache]: Analyzing trace with hash -552931146, now seen corresponding path program 47 times [2021-10-16 22:50:39,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:39,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511393152] [2021-10-16 22:50:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:39,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:40,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:40,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511393152] [2021-10-16 22:50:40,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511393152] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:40,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:40,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:50:40,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667461261] [2021-10-16 22:50:40,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:50:40,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:40,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:50:40,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:50:40,140 INFO L87 Difference]: Start difference. First operand 2403 states and 4615 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:42,091 INFO L93 Difference]: Finished difference Result 5008 states and 9662 transitions. [2021-10-16 22:50:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-10-16 22:50:42,091 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:42,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:42,096 INFO L225 Difference]: With dead ends: 5008 [2021-10-16 22:50:42,097 INFO L226 Difference]: Without dead ends: 5008 [2021-10-16 22:50:42,097 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1850 ImplicationChecksByTransitivity, 889.7ms TimeCoverageRelationStatistics Valid=720, Invalid=5286, Unknown=0, NotChecked=0, Total=6006 [2021-10-16 22:50:42,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2021-10-16 22:50:42,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 2385. [2021-10-16 22:50:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2382 states have (on average 1.9223341729638959) internal successors, (4579), 2384 states have internal predecessors, (4579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 4579 transitions. [2021-10-16 22:50:42,126 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 4579 transitions. Word has length 139 [2021-10-16 22:50:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:42,126 INFO L470 AbstractCegarLoop]: Abstraction has 2385 states and 4579 transitions. [2021-10-16 22:50:42,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 4579 transitions. [2021-10-16 22:50:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:42,127 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:42,128 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:42,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-10-16 22:50:42,128 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:42,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:42,128 INFO L82 PathProgramCache]: Analyzing trace with hash -609412048, now seen corresponding path program 48 times [2021-10-16 22:50:42,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:42,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034300590] [2021-10-16 22:50:42,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:42,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:42,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:42,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034300590] [2021-10-16 22:50:42,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034300590] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:42,423 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:42,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:50:42,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565134091] [2021-10-16 22:50:42,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:50:42,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:42,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:50:42,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:50:42,423 INFO L87 Difference]: Start difference. First operand 2385 states and 4579 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:44,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:44,175 INFO L93 Difference]: Finished difference Result 3602 states and 6929 transitions. [2021-10-16 22:50:44,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-10-16 22:50:44,176 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:44,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:44,179 INFO L225 Difference]: With dead ends: 3602 [2021-10-16 22:50:44,180 INFO L226 Difference]: Without dead ends: 3602 [2021-10-16 22:50:44,180 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 785.5ms TimeCoverageRelationStatistics Valid=679, Invalid=4151, Unknown=0, NotChecked=0, Total=4830 [2021-10-16 22:50:44,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2021-10-16 22:50:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 2395. [2021-10-16 22:50:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2392 states have (on average 1.9226588628762542) internal successors, (4599), 2394 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4599 transitions. [2021-10-16 22:50:44,214 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4599 transitions. Word has length 139 [2021-10-16 22:50:44,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:44,214 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4599 transitions. [2021-10-16 22:50:44,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4599 transitions. [2021-10-16 22:50:44,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:44,215 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:44,215 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:44,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-10-16 22:50:44,215 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:44,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:44,216 INFO L82 PathProgramCache]: Analyzing trace with hash 507583456, now seen corresponding path program 49 times [2021-10-16 22:50:44,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:44,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807780665] [2021-10-16 22:50:44,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:44,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:44,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:44,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:44,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807780665] [2021-10-16 22:50:44,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807780665] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:44,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:44,499 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:44,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353146081] [2021-10-16 22:50:44,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:44,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:44,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:44,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:44,500 INFO L87 Difference]: Start difference. First operand 2395 states and 4599 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:46,407 INFO L93 Difference]: Finished difference Result 5763 states and 11226 transitions. [2021-10-16 22:50:46,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-16 22:50:46,407 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:46,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:46,413 INFO L225 Difference]: With dead ends: 5763 [2021-10-16 22:50:46,414 INFO L226 Difference]: Without dead ends: 5763 [2021-10-16 22:50:46,414 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 831.7ms TimeCoverageRelationStatistics Valid=667, Invalid=2873, Unknown=0, NotChecked=0, Total=3540 [2021-10-16 22:50:46,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5763 states. [2021-10-16 22:50:46,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5763 to 2395. [2021-10-16 22:50:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2392 states have (on average 1.9226588628762542) internal successors, (4599), 2394 states have internal predecessors, (4599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4599 transitions. [2021-10-16 22:50:46,451 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4599 transitions. Word has length 139 [2021-10-16 22:50:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:46,451 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4599 transitions. [2021-10-16 22:50:46,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4599 transitions. [2021-10-16 22:50:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:46,452 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:46,453 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:46,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-10-16 22:50:46,453 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:46,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:46,453 INFO L82 PathProgramCache]: Analyzing trace with hash -938830760, now seen corresponding path program 50 times [2021-10-16 22:50:46,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:46,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485182574] [2021-10-16 22:50:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:46,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:46,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:46,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485182574] [2021-10-16 22:50:46,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485182574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:46,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:46,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:46,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658369730] [2021-10-16 22:50:46,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:46,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:46,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:46,703 INFO L87 Difference]: Start difference. First operand 2395 states and 4599 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:47,848 INFO L93 Difference]: Finished difference Result 3856 states and 7489 transitions. [2021-10-16 22:50:47,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-16 22:50:47,848 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:47,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:47,852 INFO L225 Difference]: With dead ends: 3856 [2021-10-16 22:50:47,852 INFO L226 Difference]: Without dead ends: 3856 [2021-10-16 22:50:47,852 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 454.7ms TimeCoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2021-10-16 22:50:47,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2021-10-16 22:50:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 2398. [2021-10-16 22:50:47,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2395 states have (on average 1.9227557411273486) internal successors, (4605), 2397 states have internal predecessors, (4605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 4605 transitions. [2021-10-16 22:50:47,878 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 4605 transitions. Word has length 139 [2021-10-16 22:50:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:47,879 INFO L470 AbstractCegarLoop]: Abstraction has 2398 states and 4605 transitions. [2021-10-16 22:50:47,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 4605 transitions. [2021-10-16 22:50:47,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:47,881 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:47,881 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:47,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-10-16 22:50:47,881 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:47,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:47,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1328072172, now seen corresponding path program 51 times [2021-10-16 22:50:47,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:47,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880552199] [2021-10-16 22:50:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:47,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:48,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:48,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880552199] [2021-10-16 22:50:48,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880552199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:48,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:48,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:48,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934511385] [2021-10-16 22:50:48,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:48,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:48,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:48,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:48,131 INFO L87 Difference]: Start difference. First operand 2398 states and 4605 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:49,646 INFO L93 Difference]: Finished difference Result 3894 states and 7563 transitions. [2021-10-16 22:50:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-16 22:50:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:49,650 INFO L225 Difference]: With dead ends: 3894 [2021-10-16 22:50:49,651 INFO L226 Difference]: Without dead ends: 3894 [2021-10-16 22:50:49,651 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 543.6ms TimeCoverageRelationStatistics Valid=358, Invalid=1712, Unknown=0, NotChecked=0, Total=2070 [2021-10-16 22:50:49,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2021-10-16 22:50:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 2397. [2021-10-16 22:50:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 2394 states have (on average 1.9227234753550544) internal successors, (4603), 2396 states have internal predecessors, (4603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 4603 transitions. [2021-10-16 22:50:49,676 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 4603 transitions. Word has length 139 [2021-10-16 22:50:49,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:49,676 INFO L470 AbstractCegarLoop]: Abstraction has 2397 states and 4603 transitions. [2021-10-16 22:50:49,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 4603 transitions. [2021-10-16 22:50:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:49,677 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:49,677 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:49,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-10-16 22:50:49,678 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:49,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:49,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1401877864, now seen corresponding path program 52 times [2021-10-16 22:50:49,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:49,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623036071] [2021-10-16 22:50:49,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:49,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:49,920 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 22:50:49,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:49,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623036071] [2021-10-16 22:50:49,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623036071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:49,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:49,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:49,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400010801] [2021-10-16 22:50:49,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:49,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:49,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:49,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:49,922 INFO L87 Difference]: Start difference. First operand 2397 states and 4603 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:51,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:51,683 INFO L93 Difference]: Finished difference Result 3922 states and 7617 transitions. [2021-10-16 22:50:51,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-16 22:50:51,683 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:51,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:51,687 INFO L225 Difference]: With dead ends: 3922 [2021-10-16 22:50:51,688 INFO L226 Difference]: Without dead ends: 3922 [2021-10-16 22:50:51,688 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 602.6ms TimeCoverageRelationStatistics Valid=383, Invalid=1873, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:50:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2021-10-16 22:50:51,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 2396. [2021-10-16 22:50:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 2393 states have (on average 1.9226911826159632) internal successors, (4601), 2395 states have internal predecessors, (4601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 4601 transitions. [2021-10-16 22:50:51,711 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 4601 transitions. Word has length 139 [2021-10-16 22:50:51,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:51,711 INFO L470 AbstractCegarLoop]: Abstraction has 2396 states and 4601 transitions. [2021-10-16 22:50:51,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 4601 transitions. [2021-10-16 22:50:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:51,713 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:51,713 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:51,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-10-16 22:50:51,713 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:51,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:51,713 INFO L82 PathProgramCache]: Analyzing trace with hash 194613164, now seen corresponding path program 53 times [2021-10-16 22:50:51,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:51,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759002485] [2021-10-16 22:50:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:51,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:51,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:51,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759002485] [2021-10-16 22:50:51,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759002485] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:51,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:51,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-16 22:50:51,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326647956] [2021-10-16 22:50:51,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-16 22:50:51,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-16 22:50:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-10-16 22:50:51,967 INFO L87 Difference]: Start difference. First operand 2396 states and 4601 transitions. Second operand has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:53,442 INFO L93 Difference]: Finished difference Result 3960 states and 7691 transitions. [2021-10-16 22:50:53,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-16 22:50:53,442 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:53,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:53,446 INFO L225 Difference]: With dead ends: 3960 [2021-10-16 22:50:53,447 INFO L226 Difference]: Without dead ends: 3960 [2021-10-16 22:50:53,447 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 632.9ms TimeCoverageRelationStatistics Valid=417, Invalid=2033, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:50:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3960 states. [2021-10-16 22:50:53,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3960 to 2383. [2021-10-16 22:50:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 2380 states have (on average 1.9222689075630253) internal successors, (4575), 2382 states have internal predecessors, (4575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 4575 transitions. [2021-10-16 22:50:53,469 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 4575 transitions. Word has length 139 [2021-10-16 22:50:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:53,470 INFO L470 AbstractCegarLoop]: Abstraction has 2383 states and 4575 transitions. [2021-10-16 22:50:53,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.315789473684211) internal successors, (139), 20 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4575 transitions. [2021-10-16 22:50:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:53,471 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:53,471 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:53,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-10-16 22:50:53,471 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:53,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1850661224, now seen corresponding path program 54 times [2021-10-16 22:50:53,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:53,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605476235] [2021-10-16 22:50:53,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:53,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:53,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:53,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605476235] [2021-10-16 22:50:53,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605476235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:53,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:53,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:53,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618093074] [2021-10-16 22:50:53,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:53,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:53,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:53,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:53,778 INFO L87 Difference]: Start difference. First operand 2383 states and 4575 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:55,271 INFO L93 Difference]: Finished difference Result 4425 states and 8626 transitions. [2021-10-16 22:50:55,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-16 22:50:55,271 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:55,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:55,276 INFO L225 Difference]: With dead ends: 4425 [2021-10-16 22:50:55,277 INFO L226 Difference]: Without dead ends: 4425 [2021-10-16 22:50:55,277 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 671.2ms TimeCoverageRelationStatistics Valid=380, Invalid=1600, Unknown=0, NotChecked=0, Total=1980 [2021-10-16 22:50:55,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4425 states. [2021-10-16 22:50:55,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4425 to 2377. [2021-10-16 22:50:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2377 states, 2374 states have (on average 1.922072451558551) internal successors, (4563), 2376 states have internal predecessors, (4563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 4563 transitions. [2021-10-16 22:50:55,303 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 4563 transitions. Word has length 139 [2021-10-16 22:50:55,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:55,303 INFO L470 AbstractCegarLoop]: Abstraction has 2377 states and 4563 transitions. [2021-10-16 22:50:55,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 4563 transitions. [2021-10-16 22:50:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:55,305 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:55,305 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:55,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-10-16 22:50:55,305 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:55,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:55,305 INFO L82 PathProgramCache]: Analyzing trace with hash 416241708, now seen corresponding path program 55 times [2021-10-16 22:50:55,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:55,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649923412] [2021-10-16 22:50:55,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:55,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:55,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:55,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649923412] [2021-10-16 22:50:55,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649923412] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:55,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:55,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:55,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000284257] [2021-10-16 22:50:55,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:55,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:55,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:55,622 INFO L87 Difference]: Start difference. First operand 2377 states and 4563 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:57,276 INFO L93 Difference]: Finished difference Result 4462 states and 8698 transitions. [2021-10-16 22:50:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-16 22:50:57,277 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:57,281 INFO L225 Difference]: With dead ends: 4462 [2021-10-16 22:50:57,281 INFO L226 Difference]: Without dead ends: 4462 [2021-10-16 22:50:57,281 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 805.8ms TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2021-10-16 22:50:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-10-16 22:50:57,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 2371. [2021-10-16 22:50:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2368 states have (on average 1.921875) internal successors, (4551), 2370 states have internal predecessors, (4551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 4551 transitions. [2021-10-16 22:50:57,310 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 4551 transitions. Word has length 139 [2021-10-16 22:50:57,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:57,310 INFO L470 AbstractCegarLoop]: Abstraction has 2371 states and 4551 transitions. [2021-10-16 22:50:57,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 4551 transitions. [2021-10-16 22:50:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:57,311 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:57,311 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:57,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-10-16 22:50:57,311 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:57,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1981258968, now seen corresponding path program 56 times [2021-10-16 22:50:57,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:57,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890187434] [2021-10-16 22:50:57,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:57,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:50:57,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:57,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890187434] [2021-10-16 22:50:57,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890187434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:57,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:57,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:57,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674438787] [2021-10-16 22:50:57,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:57,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:57,616 INFO L87 Difference]: Start difference. First operand 2371 states and 4551 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:50:59,389 INFO L93 Difference]: Finished difference Result 4527 states and 8824 transitions. [2021-10-16 22:50:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-16 22:50:59,390 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:50:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:50:59,394 INFO L225 Difference]: With dead ends: 4527 [2021-10-16 22:50:59,394 INFO L226 Difference]: Without dead ends: 4527 [2021-10-16 22:50:59,394 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 808.5ms TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-10-16 22:50:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2021-10-16 22:50:59,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 2365. [2021-10-16 22:50:59,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 2362 states have (on average 1.9216765453005926) internal successors, (4539), 2364 states have internal predecessors, (4539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 4539 transitions. [2021-10-16 22:50:59,418 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 4539 transitions. Word has length 139 [2021-10-16 22:50:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:50:59,418 INFO L470 AbstractCegarLoop]: Abstraction has 2365 states and 4539 transitions. [2021-10-16 22:50:59,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:50:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 4539 transitions. [2021-10-16 22:50:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:50:59,420 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:50:59,420 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:50:59,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-10-16 22:50:59,420 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:50:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:50:59,420 INFO L82 PathProgramCache]: Analyzing trace with hash -717217300, now seen corresponding path program 57 times [2021-10-16 22:50:59,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:50:59,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032262894] [2021-10-16 22:50:59,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:50:59,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:50:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:50:59,722 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 22:50:59,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:50:59,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032262894] [2021-10-16 22:50:59,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032262894] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:50:59,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:50:59,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-16 22:50:59,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076767190] [2021-10-16 22:50:59,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-16 22:50:59,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:50:59,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-16 22:50:59,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2021-10-16 22:50:59,724 INFO L87 Difference]: Start difference. First operand 2365 states and 4539 transitions. Second operand has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:01,502 INFO L93 Difference]: Finished difference Result 4583 states and 8933 transitions. [2021-10-16 22:51:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-16 22:51:01,502 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:51:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:01,507 INFO L225 Difference]: With dead ends: 4583 [2021-10-16 22:51:01,507 INFO L226 Difference]: Without dead ends: 4583 [2021-10-16 22:51:01,507 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 818.4ms TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2021-10-16 22:51:01,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2021-10-16 22:51:01,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 2299. [2021-10-16 22:51:01,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 2296 states have (on average 1.9194250871080138) internal successors, (4407), 2298 states have internal predecessors, (4407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 4407 transitions. [2021-10-16 22:51:01,532 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 4407 transitions. Word has length 139 [2021-10-16 22:51:01,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:01,533 INFO L470 AbstractCegarLoop]: Abstraction has 2299 states and 4407 transitions. [2021-10-16 22:51:01,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.95) internal successors, (139), 21 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 4407 transitions. [2021-10-16 22:51:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:51:01,534 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:01,534 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:01,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-10-16 22:51:01,534 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:01,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1138190310, now seen corresponding path program 58 times [2021-10-16 22:51:01,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:01,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739142793] [2021-10-16 22:51:01,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:01,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:01,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:01,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739142793] [2021-10-16 22:51:01,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739142793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:01,830 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:01,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:51:01,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477790998] [2021-10-16 22:51:01,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:51:01,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:01,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:51:01,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:51:01,830 INFO L87 Difference]: Start difference. First operand 2299 states and 4407 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:04,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:04,093 INFO L93 Difference]: Finished difference Result 5793 states and 11218 transitions. [2021-10-16 22:51:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-10-16 22:51:04,093 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:51:04,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:04,098 INFO L225 Difference]: With dead ends: 5793 [2021-10-16 22:51:04,099 INFO L226 Difference]: Without dead ends: 5793 [2021-10-16 22:51:04,099 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1394 ImplicationChecksByTransitivity, 909.0ms TimeCoverageRelationStatistics Valid=771, Invalid=4341, Unknown=0, NotChecked=0, Total=5112 [2021-10-16 22:51:04,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5793 states. [2021-10-16 22:51:04,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5793 to 2287. [2021-10-16 22:51:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 2284 states have (on average 1.9190017513134852) internal successors, (4383), 2286 states have internal predecessors, (4383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 4383 transitions. [2021-10-16 22:51:04,126 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 4383 transitions. Word has length 139 [2021-10-16 22:51:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:04,127 INFO L470 AbstractCegarLoop]: Abstraction has 2287 states and 4383 transitions. [2021-10-16 22:51:04,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 4383 transitions. [2021-10-16 22:51:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:51:04,128 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:04,128 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:04,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-10-16 22:51:04,128 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:04,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:04,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1116683640, now seen corresponding path program 59 times [2021-10-16 22:51:04,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:04,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383527] [2021-10-16 22:51:04,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:04,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:04,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:04,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383527] [2021-10-16 22:51:04,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383527] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:04,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:04,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:51:04,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475919608] [2021-10-16 22:51:04,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:51:04,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:51:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:51:04,429 INFO L87 Difference]: Start difference. First operand 2287 states and 4383 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:06,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:06,652 INFO L93 Difference]: Finished difference Result 5888 states and 11403 transitions. [2021-10-16 22:51:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-10-16 22:51:06,652 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:51:06,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:06,658 INFO L225 Difference]: With dead ends: 5888 [2021-10-16 22:51:06,658 INFO L226 Difference]: Without dead ends: 5888 [2021-10-16 22:51:06,659 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1613 ImplicationChecksByTransitivity, 987.3ms TimeCoverageRelationStatistics Valid=884, Invalid=4816, Unknown=0, NotChecked=0, Total=5700 [2021-10-16 22:51:06,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5888 states. [2021-10-16 22:51:06,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5888 to 2269. [2021-10-16 22:51:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 2266 states have (on average 1.9183583406884377) internal successors, (4347), 2268 states have internal predecessors, (4347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 4347 transitions. [2021-10-16 22:51:06,687 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 4347 transitions. Word has length 139 [2021-10-16 22:51:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:06,687 INFO L470 AbstractCegarLoop]: Abstraction has 2269 states and 4347 transitions. [2021-10-16 22:51:06,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 4347 transitions. [2021-10-16 22:51:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-10-16 22:51:06,688 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:06,688 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:06,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-10-16 22:51:06,688 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:06,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1060202738, now seen corresponding path program 60 times [2021-10-16 22:51:06,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:06,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222850494] [2021-10-16 22:51:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:06,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:06,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:06,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222850494] [2021-10-16 22:51:06,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222850494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:06,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:06,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-16 22:51:06,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893909704] [2021-10-16 22:51:06,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-16 22:51:06,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:06,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-16 22:51:06,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-16 22:51:06,959 INFO L87 Difference]: Start difference. First operand 2269 states and 4347 transitions. Second operand has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:09,009 INFO L93 Difference]: Finished difference Result 4262 states and 8235 transitions. [2021-10-16 22:51:09,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-10-16 22:51:09,009 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-10-16 22:51:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:09,013 INFO L225 Difference]: With dead ends: 4262 [2021-10-16 22:51:09,013 INFO L226 Difference]: Without dead ends: 4262 [2021-10-16 22:51:09,014 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1504 ImplicationChecksByTransitivity, 855.9ms TimeCoverageRelationStatistics Valid=795, Invalid=4461, Unknown=0, NotChecked=0, Total=5256 [2021-10-16 22:51:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4262 states. [2021-10-16 22:51:09,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4262 to 1983. [2021-10-16 22:51:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1981 states have (on average 1.9081272084805654) internal successors, (3780), 1982 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 3780 transitions. [2021-10-16 22:51:09,034 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 3780 transitions. Word has length 139 [2021-10-16 22:51:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:09,034 INFO L470 AbstractCegarLoop]: Abstraction has 1983 states and 3780 transitions. [2021-10-16 22:51:09,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.619047619047619) internal successors, (139), 22 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 3780 transitions. [2021-10-16 22:51:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-10-16 22:51:09,036 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:09,036 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:09,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-10-16 22:51:09,036 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:09,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:09,036 INFO L82 PathProgramCache]: Analyzing trace with hash -453864269, now seen corresponding path program 1 times [2021-10-16 22:51:09,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:09,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315307897] [2021-10-16 22:51:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:09,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:09,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:09,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315307897] [2021-10-16 22:51:09,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315307897] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:09,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:09,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:51:09,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403491779] [2021-10-16 22:51:09,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:51:09,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:09,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:51:09,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:51:09,090 INFO L87 Difference]: Start difference. First operand 1983 states and 3780 transitions. Second operand has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:09,213 INFO L93 Difference]: Finished difference Result 2249 states and 4306 transitions. [2021-10-16 22:51:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:51:09,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143 [2021-10-16 22:51:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:09,216 INFO L225 Difference]: With dead ends: 2249 [2021-10-16 22:51:09,216 INFO L226 Difference]: Without dead ends: 2249 [2021-10-16 22:51:09,216 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:51:09,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-10-16 22:51:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2066. [2021-10-16 22:51:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 2064 states have (on average 1.9098837209302326) internal successors, (3942), 2065 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 3942 transitions. [2021-10-16 22:51:09,231 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 3942 transitions. Word has length 143 [2021-10-16 22:51:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:09,231 INFO L470 AbstractCegarLoop]: Abstraction has 2066 states and 3942 transitions. [2021-10-16 22:51:09,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 3942 transitions. [2021-10-16 22:51:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-16 22:51:09,233 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:09,233 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:09,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-10-16 22:51:09,233 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:09,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:09,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1169656251, now seen corresponding path program 1 times [2021-10-16 22:51:09,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:09,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284644918] [2021-10-16 22:51:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:09,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:09,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:09,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284644918] [2021-10-16 22:51:09,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284644918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:09,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:09,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-16 22:51:09,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172475509] [2021-10-16 22:51:09,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 22:51:09,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:09,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 22:51:09,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 22:51:09,262 INFO L87 Difference]: Start difference. First operand 2066 states and 3942 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:09,271 INFO L93 Difference]: Finished difference Result 1215 states and 2213 transitions. [2021-10-16 22:51:09,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 22:51:09,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-10-16 22:51:09,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:09,273 INFO L225 Difference]: With dead ends: 1215 [2021-10-16 22:51:09,273 INFO L226 Difference]: Without dead ends: 1215 [2021-10-16 22:51:09,273 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 22:51:09,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-10-16 22:51:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2021-10-16 22:51:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1213 states have (on average 1.8244023083264633) internal successors, (2213), 1214 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 2213 transitions. [2021-10-16 22:51:09,281 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 2213 transitions. Word has length 152 [2021-10-16 22:51:09,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:09,282 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 2213 transitions. [2021-10-16 22:51:09,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2213 transitions. [2021-10-16 22:51:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-10-16 22:51:09,283 INFO L509 BasicCegarLoop]: Found error trace [2021-10-16 22:51:09,283 INFO L517 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 22:51:09,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-10-16 22:51:09,283 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-10-16 22:51:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 22:51:09,283 INFO L82 PathProgramCache]: Analyzing trace with hash -341049582, now seen corresponding path program 1 times [2021-10-16 22:51:09,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-16 22:51:09,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45419148] [2021-10-16 22:51:09,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 22:51:09,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 22:51:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 22:51:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 22:51:09,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-16 22:51:09,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45419148] [2021-10-16 22:51:09,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45419148] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 22:51:09,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 22:51:09,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-16 22:51:09,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024247042] [2021-10-16 22:51:09,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 22:51:09,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-16 22:51:09,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 22:51:09,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:51:09,347 INFO L87 Difference]: Start difference. First operand 1215 states and 2213 transitions. Second operand has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 22:51:09,435 INFO L93 Difference]: Finished difference Result 1206 states and 2197 transitions. [2021-10-16 22:51:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 22:51:09,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2021-10-16 22:51:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 22:51:09,436 INFO L225 Difference]: With dead ends: 1206 [2021-10-16 22:51:09,436 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 22:51:09,436 INFO L842 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-16 22:51:09,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 22:51:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 22:51:09,436 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 22:51:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 22:51:09,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2021-10-16 22:51:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 22:51:09,436 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 22:51:09,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 22:51:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 22:51:09,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 22:51:09,438 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,439 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,443 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-10-16 22:51:09,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-10-16 22:51:09,449 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 22:51:09,449 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 22:51:09,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:51:09 BasicIcfg [2021-10-16 22:51:09,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 22:51:09,452 INFO L168 Benchmark]: Toolchain (without parser) took 260826.06 ms. Allocated memory was 177.2 MB in the beginning and 374.3 MB in the end (delta: 197.1 MB). Free memory was 123.3 MB in the beginning and 128.6 MB in the end (delta: -5.3 MB). Peak memory consumption was 192.8 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,452 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 177.2 MB. Free memory was 142.2 MB in the beginning and 142.2 MB in the end (delta: 72.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-16 22:51:09,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.23 ms. Allocated memory was 177.2 MB in the beginning and 215.0 MB in the end (delta: 37.7 MB). Free memory was 123.1 MB in the beginning and 163.6 MB in the end (delta: -40.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.50 ms. Allocated memory is still 215.0 MB. Free memory was 163.6 MB in the beginning and 160.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,453 INFO L168 Benchmark]: Boogie Preprocessor took 36.22 ms. Allocated memory is still 215.0 MB. Free memory was 160.3 MB in the beginning and 157.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,453 INFO L168 Benchmark]: RCFGBuilder took 509.80 ms. Allocated memory is still 215.0 MB. Free memory was 157.5 MB in the beginning and 137.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,453 INFO L168 Benchmark]: TraceAbstraction took 259537.50 ms. Allocated memory was 215.0 MB in the beginning and 374.3 MB in the end (delta: 159.4 MB). Free memory was 136.8 MB in the beginning and 128.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 167.9 MB. Max. memory is 8.0 GB. [2021-10-16 22:51:09,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 177.2 MB. Free memory was 142.2 MB in the beginning and 142.2 MB in the end (delta: 72.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 657.23 ms. Allocated memory was 177.2 MB in the beginning and 215.0 MB in the end (delta: 37.7 MB). Free memory was 123.1 MB in the beginning and 163.6 MB in the end (delta: -40.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 79.50 ms. Allocated memory is still 215.0 MB. Free memory was 163.6 MB in the beginning and 160.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.22 ms. Allocated memory is still 215.0 MB. Free memory was 160.3 MB in the beginning and 157.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 509.80 ms. Allocated memory is still 215.0 MB. Free memory was 157.5 MB in the beginning and 137.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 259537.50 ms. Allocated memory was 215.0 MB in the beginning and 374.3 MB in the end (delta: 159.4 MB). Free memory was 136.8 MB in the beginning and 128.6 MB in the end (delta: 8.2 MB). Peak memory consumption was 167.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1221]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1241]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1221]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1222]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1243]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 1232]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1233]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 266 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 259391.1ms, OverallIterations: 115, TraceHistogramMax: 1, EmptinessCheckTime: 201.5ms, AutomataDifference: 214547.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 76.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 35057 SDtfs, 133539 SDslu, 377992 SDs, 0 SdLazy, 256017 SolverSat, 14726 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94263.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7298 GetRequests, 159 SyntacticMatches, 147 SemanticMatches, 6992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138540 ImplicationChecksByTransitivity, 113325.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2493occurred in iteration=94, InterpolantAutomatonStates: 5929, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3349.9ms AutomataMinimizationTime, 115 MinimizatonAttempts, 150529 StatesRemovedByMinimization, 109 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 299.9ms SsaConstructionTime, 1399.8ms SatisfiabilityAnalysisTime, 38611.2ms InterpolantComputationTime, 15263 NumberOfCodeBlocks, 15263 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 15148 ConstructedInterpolants, 0 QuantifiedInterpolants, 181202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 115 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-16 22:51:09,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...